20479979520

Names of 20479979520

• Cardinal: 20479979520 can be written as Twenty billion, four hundred seventy-nine million, nine hundred seventy-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.047997952 × 10¹⁰

Factors of 20479979520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 78

Divisors of 20479979520

• Number of divisors d(n): 1664
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 27 28 30 32 33 35 36 37 39 40 42 44 45 48 52 54 55 56 60 63 64 65 66 70 72 74 77 78 80 84 88 90 91 96 99 104 105 108 110 111 112 117 120 126 128 130 132 135 140 143 144 148 154 156 160 165 168 176 180 182 185 189 192 195 198 208 210 216 220 222 224 231 234 240 252 256 259 260 264 270 273 280 286 288 296 297 308 312 315 320 330 333 336 351 352 360 364 370 378 384 385 390 396 407 416 420 429 432 440 444 448 455 462 468 480 481 495 504 512 518 520 528 540 546 555 560 572 576 585 592 594 616 624 630 640 660 666 672 693 702 704 715 720 728 740 756 768 770 777 780 792 814 819 832 840 858 864 880 888 896 910 924 936 945 960 962 990 999 1001 1008 1024 1036 1040 1056 1080 1092 1110 1120 1144 1152 1155 1170 1184 1188 1221 1232 1248 1260 1280 1287 1295 1320 1332 1344 1365 1386 1404 1408 1430 1440 1443 1456 1480 1485 1512 1536 1540 1554 1560 1584 1628 1638 1664 1665 1680 1716 1728 1755 1760 1776 1792 1820 1848 1872 1890 1920 1924 1980 1998 2002 2016 2035 2048 2072 2079 2080 2112 2145 2160 2184 2220 2240 2288 2304 2310 2331 2340 2368 2376 2405 2442 2457 2464 2496 2520 2560 2574 2590 2640 2664 2688 2730 2772 2808 2816 2849 2860 2880 2886 2912 2960 2970 3003 3024 3072 3080 3108 3120 3168 3256 3276 3328 3330 3360 3367 3432 3456 3465 3510 3520 3552 3584 3640 3663 3696 3744 3780 3840 3848 3861 3885 3960 3996 4004 4032 4070 4095 4096 4144 4158 4160 4224 4290 4320 4329 4368 4440 4480 4576 4608 4620 4662 4680 4736 4752 4810 4884 4914 4928 4992 4995 5005 5040 5120 5148 5180 5280 5291 5328 5376 5460 5544 5616 5632 5698 5720 5760 5772 5824 5920 5940 6006 6048 6105 6144 6160 6216 6240 6336 6435 6512 6552 6656 6660 6720 6734 6864 6912 6930 6993 7020 7040 7104 7168 7215 7280 7326 7392 7488 7560 7680 7696 7722 7770 7920 7992 8008 8064 8140 8190 8288 8316 8320 8448 8547 8580 8640 8658 8736 8880 8960 9009 9152 9216 9240 9324 9360 9472 9504 9620 9768 9828 9856 9984 9990 10010 10080 10101 10240 10296 10360 10395 10560 10582 10656 10752 10920 10989 11088 11232 11264 11396 11440 11520 11544 11648 11655 11840 11880 12012 12096 12210 12285 12288 12320 12432 12480 12672 12870 12987 13024 13104 13312 13320 13440 13468 13728 13824 13860 13986 14040 14080 14208 14245 14336 14430 14560 14652 14784 14976 15015 15120 15360 15392 15444 15540 15840 15873 15984 16016 16128 16280 16380 16576 16632 16640 16835 16896 17094 17160 17280 17316 17472 17760 17920 18018 18304 18315 18432 18480 18648 18720 18944 19008 19240 19305 19536 19656 19712 19968 19980 20020 20160 20202 20480 20592 20720 20790 21120 21164 21312 21504 21645 21840 21978 22176 22464 22528 22792 22880 23040 23088 23296 23310 23680 23760 24024 24192 24420 24570 24640 24864 24960 25344 25641 25740 25974 26048 26208 26455 26624 26640 26880 26936 27027 27456 27648 27720 27972 28080 28160 28416 28490 28672 28860 29120 29304 29568 29952 30030 30240 30303 30720 30784 30888 31080 31680 31746 31968 32032 32256 32560 32760 33152 33264 33280 33670 33792 34188 34320 34560 34632 34944 34965 35520 35840 36036 36608 36630 36864 36960 37037 37296 37440 37888 38016 38480 38610 39072 39312 39424 39936 39960 40040 40320 40404 41184 41440 41580 42240 42328 42624 42735 43008 43290 43680 43956 44352 44928 45045 45056 45584 45760 46080 46176 46592 46620 47360 47520 47619 48048 48384 48840 49140 49280 49728 49920 50505 50688 51282 51480 51948 52096 52416 52910 53248 53280 53760 53872 54054 54912 54945 55296 55440 55944 56160 56320 56832 56980 57720 58240 58608 59136 59904 60060 60480 60606 61440 61568 61776 62160 63360 63492 63936 64064 64512 64935 65120 65520 66304 66528 66560 67340 67584 68376 68640 69120 69264 69888 69930 71040 71680 72072 73216 73260 73920 74074 74592 74880 75776 76032 76923 76960 77220 78144 78624 78848 79365 79872 79920 80080 80640 80808 82368 82880 83160 84480 84656 85248 85470 86016 86580 87360 87912 88704 89856 90090 90909 91168 91520 92160 92352 93184 93240 94720 95040 95238 96096 96768 97680 98280 98560 99456 99840 101010 101376 102564 102960 103896 104192 104832 105820 106560 107520 107744 108108 109824 109890 110592 110880 111111 111888 112320 112640 113664 113960 115440 116480 117216 118272 119808 120120 120960 121212 123136 123552 124320 126720 126984 127872 128128 128205 129024 129870 130240 131040 132608 133056 133120 134680 135135 135168 136752 137280 138240 138528 139776 139860 142080 142857 143360 144144 146432 146520 147840 148148 149184 149760 151515 151552 152064 153846 153920 154440 156288 157248 157696 158730 159744 159840 160160 161280 161616 164736 165760 166320 168960 169312 170496 170940 173160 174720 175824 177408 179712 180180 181818 182336 183040 184320 184704 185185 186368 186480 189440 190080 190476 192192 193536 195360 196560 197120 198912 199680 202020 202752 205128 205920 207792 208384 209664 211640 213120 215040 215488 216216 219648 219780 221760 222222 223776 224640 225280 227328 227920 230880 232960 234432 236544 238095 239616 240240 241920 242424 246272 247104 248640 253440 253968 255744 256256 256410 258048 259740 260480 262080 265216 266112 266240 269360 270270 273504 274560 276480 277056 279552 279720 284160 285714 288288 292864 293040 295680 296296 298368 299520 303030 304128 307692 307840 308880 312576 314496 315392 317460 319680 320320 322560 323232 329472 331520 332640 333333 337920 338624 340992 341880 346320 349440 351648 354816 359424 360360 363636 364672 366080 369408 370370 372736 372960 378880 380160 380952 384384 384615 387072 390720 393120 394240 397824 399360 404040 405504 410256 411840 415584 416768 419328 423280 426240 430080 430976 432432 439296 439560 443520 444444 447552 449280 454545 454656 455840 461760 465920 468864 473088 476190 479232 480480 483840 484848 492544 494208 497280 506880 507936 511488 512512 512820 519480 520960 524160 530432 532224 538720 540540 547008 549120 552960 554112 555555 559104 559440 568320 571428 576576 585728 586080 591360 592592 596736 599040 606060 608256 615384 615680 617760 625152 628992 634920 639360 640640 645120 646464 658944 663040 665280 666666 675840 677248 681984 683760 692640 698880 703296 709632 714285 718848 720720 727272 729344 732160 738816 740740 745920 757760 760320 761904 768768 769230 774144 781440 786240 788480 795648 798720 808080 820512 823680 831168 833536 838656 846560 852480 861952 864864 878592 879120 887040 888888 895104 898560 909090 911680 923520 931840 937728 946176 952380 960960 967680 969696 985088 988416 994560 999999 1013760 1015872 1022976 1025024 1025640 1038960 1041920 1048320 1060864 1064448 1077440 1081080 1094016 1098240 1108224 1111110 1118208 1118880 1136640 1142856 1153152 1172160 1182720 1185184 1193472 1198080 1212120 1216512 1230768 1231360 1235520 1250304 1257984 1269840 1278720 1281280 1290240 1292928 1317888 1326080 1330560 1333332 1354496 1363968 1367520 1385280 1397760 1406592 1419264 1428570 1437696 1441440 1454544 1458688 1464320 1477632 1481480 1491840 1520640 1523808 1537536 1538460 1562880 1572480 1576960 1591296 1616160 1641024 1647360 1662336 1666665 1667072 1677312 1693120 1704960 1723904 1729728 1757184 1758240 1774080 1777776 1790208 1797120 1818180 1823360 1847040 1863680 1875456 1904760 1921920 1935360 1939392 1970176 1976832 1989120 1999998 2027520 2031744 2045952 2050048 2051280 2077920 2083840 2096640 2128896 2154880 2162160 2188032 2196480 2216448 2222220 2237760 2273280 2285712 2306304 2344320 2365440 2370368 2386944 2396160 2424240 2461536 2462720 2471040 2500608 2515968 2539680 2557440 2562560 2585856 2635776 2652160 2661120 2666664 2708992 2735040 2770560 2795520 2813184 2838528 2857140 2882880 2909088 2917376 2928640 2955264 2962960 2983680 3041280 3047616 3075072 3076920 3125760 3144960 3182592 3232320 3282048 3294720 3324672 3333330 3354624 3386240 3409920 3447808 3459456 3516480 3548160 3555552 3580416 3594240 3636360 3646720 3694080 3750912 3809520 3843840 3870720 3878784 3953664 3978240 3999996 4063488 4091904 4100096 4102560 4155840 4167680 4193280 4257792 4309760 4324320 4376064 4392960 4432896 4444440 4475520 4571424 4612608 4688640 4730880 4740736 4773888 4848480 4923072 4925440 4942080 4999995 5001216 5031936 5079360 5114880 5125120 5171712 5271552 5304320 5322240 5333328 5417984 5470080 5541120 5591040 5626368 5714280 5765760 5818176 5834752 5910528 5925920 5967360 6082560 6095232 6150144 6153840 6251520 6289920 6464640 6564096 6589440 6649344 6666660 6772480 6819840 6895616 6918912 7032960 7096320 7111104 7160832 7188480 7272720 7293440 7388160 7501824 7619040 7687680 7757568 7907328 7956480 7999992 8126976 8205120 8311680 8335360 8386560 8515584 8619520 8648640 8752128 8785920 8865792 8888880 8951040 9142848 9225216 9377280 9481472 9547776 9696960 9846144 9850880 9884160 9999990 10063872 10158720 10229760 10250240 10343424 10644480 10666656 10835968 10940160 11082240 11252736 11428560 11531520 11636352 11669504 11851840 11934720 12190464 12300288 12307680 12503040 12579840 12929280 13128192 13178880 13298688 13333320 13544960 13791232 13837824 14065920 14192640 14222208 14321664 14545440 14586880 14776320 15003648 15238080 15375360 15515136 15814656 15912960 15999984 16253952 16410240 16623360 16773120 17239040 17297280 17504256 17731584 17777760 17902080 18285696 18450432 18754560 18962944 19393920 19692288 19768320 19999980 20317440 20459520 20500480 20686848 21288960 21333312 21671936 21880320 22164480 22505472 22857120 23063040 23272704 23703680 23869440 24380928 24615360 25006080 25159680 25858560 26256384 26357760 26597376 26666640 27089920 27675648 28131840 28444416 28643328 29090880 29173760 29552640 30476160 30750720 31030272 31999968 32507904 32820480 33246720 34478080 34594560 35008512 35555520 35804160 36571392 36900864 37509120 37925888 38787840 39384576 39536640 39999960 40634880 41373696 42577920 42666624 43760640 44328960 45010944 45714240 46126080 46545408 47407360 47738880 48761856 49230720 50319360 51717120 52512768 53194752 53333280 54179840 55351296 56263680 56888832 58181760 58347520 60952320 61501440 62060544 63999936 65015808 65640960 66493440 68956160 69189120 71111040 71608320 73142784 75018240 75851776 77575680 78769152 79073280 79999920 81269760 85333248 87521280 88657920 91428480 92252160 93090816 94814720 97523712 98461440 103434240 105025536 106666560 108359680 110702592 112527360 113777664 116363520 121904640 124121088 127999872 131281920 132986880 138378240 142222080 143216640 146285568 151703552 155151360 157538304 159999840 162539520 170666496 175042560 182856960 184504320 186181632 189629440 195047424 196922880 206868480 213333120 225054720 227555328 232727040 243809280 255999744 262563840 265973760 276756480 284444160 292571136 310302720 315076608 319999680 325079040 341332992 365713920 372363264 379258880 393845760 426666240 455110656 465454080 487618560 511999488 525127680 553512960 568888320 585142272 620605440 639999360 682665984 731427840 758517760 787691520 853332480 930908160 975237120 1023998976 1137776640 1279998720 1365331968 1462855680 1575383040 1706664960 1861816320 2047997952 2275553280 2559997440 2925711360 3413329920 4095995904 5119994880 6826659840 10239989760 20479979520
• Sum of all divisors σ(n): 100399380480
• Sum of proper divisors (its aliquot sum) s(n): 79919400960
• 20479979520 is an abundant number, because the sum of its proper divisors (79919400960) is greater than itself. Its abundance is 59439421440

Bases of 20479979520

• Binary: 10011000100101100111011000000000000₂
• Hexadecimal: 0x4C4B3B000
• Base-36: 9EP91C0

Squares and roots of 20479979520

• 20479979520 squared (20479979520²) is 419429561139619430400
• 20479979520 cubed (20479979520³) is 8589908822221993795186065408000
• The square root of 20479979520 is 143108.2790057933
• The cube root of 20479979520 is 2735.9606026951

Scales and comparisons

• 20,479,979,520 seconds is equal to 651 years, 10 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 20,479,979,520 would take you about one thousand, three hundred two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20479979520 cubic inches would be around 228 feet tall.

Recreational maths with 20479979520

• 20479979520 backwards is 02597997402
• 20479979520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20479979520's digits is 54
• More coming soon!