20817239040

Names of 20817239040

• Cardinal: 20817239040 can be written as Twenty billion, eight hundred seventeen million, two hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 2.081723904 × 10¹⁰

Factors of 20817239040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 132

Divisors of 20817239040

• Number of divisors d(n): 1056
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 30 31 32 36 38 39 40 45 48 52 57 59 60 62 64 65 72 76 78 80 90 93 95 96 104 114 117 118 120 124 128 130 144 152 155 156 160 171 177 180 186 190 192 195 208 228 234 236 240 247 248 256 260 279 285 288 295 304 310 312 320 342 354 360 372 380 384 390 403 416 456 465 468 472 480 494 496 512 520 531 558 570 576 585 589 590 608 620 624 640 684 708 720 741 744 760 767 768 780 806 832 855 885 912 930 936 944 960 988 992 1024 1040 1062 1116 1121 1140 1152 1170 1178 1180 1209 1216 1235 1240 1248 1280 1368 1395 1416 1440 1482 1488 1520 1534 1536 1560 1612 1664 1710 1767 1770 1824 1829 1860 1872 1888 1920 1976 1984 2015 2080 2124 2223 2232 2242 2280 2301 2304 2340 2356 2360 2418 2432 2470 2480 2496 2560 2655 2736 2790 2832 2880 2945 2964 2976 3040 3068 3072 3120 3224 3328 3363 3420 3534 3540 3627 3648 3658 3705 3720 3744 3776 3835 3840 3952 3968 4030 4160 4248 4446 4464 4484 4560 4602 4608 4680 4712 4720 4836 4864 4940 4960 4992 5120 5301 5310 5472 5487 5580 5605 5664 5760 5890 5928 5952 6045 6080 6136 6240 6448 6656 6726 6840 6903 7068 7080 7254 7296 7316 7410 7440 7488 7552 7657 7670 7680 7904 7936 8060 8320 8496 8835 8892 8928 8968 9120 9145 9204 9216 9360 9424 9440 9672 9728 9880 9920 9984 10089 10602 10620 10944 10974 11115 11160 11210 11328 11505 11520 11780 11856 11904 12090 12160 12272 12480 12896 13312 13452 13680 13806 14136 14160 14508 14573 14592 14632 14820 14880 14976 15104 15314 15340 15360 15808 15872 16120 16461 16640 16815 16992 17670 17784 17856 17936 18135 18240 18290 18408 18720 18848 18880 19344 19456 19760 19840 19968 20178 21204 21240 21888 21948 22230 22320 22420 22656 22971 23010 23040 23560 23712 23777 23808 24180 24320 24544 24960 25792 26505 26904 27360 27435 27612 28272 28320 29016 29146 29184 29264 29640 29760 29952 30208 30628 30680 31616 31744 32240 32922 33280 33630 33984 34515 34751 35340 35568 35712 35872 36270 36480 36580 36816 37440 37696 37760 38285 38688 39520 39680 39936 40356 42408 42480 43719 43776 43896 44460 44640 44840 45312 45942 46020 46080 47120 47424 47554 47616 48360 48640 49088 49920 50445 51584 53010 53808 54720 54870 55224 56544 56640 58032 58292 58368 58528 59280 59520 59904 60416 61256 61360 63232 64480 65844 66560 67260 67968 68913 69030 69502 70680 71136 71331 71424 71744 72540 72865 72960 73160 73632 74880 75392 75520 76570 77376 79040 79360 80712 82305 84816 84960 87438 87552 87792 88920 89280 89680 90624 91884 92040 94240 94848 95108 95232 96720 97280 98176 99840 100890 103168 104253 106020 107616 109440 109740 110448 113088 113280 114855 116064 116584 117056 118560 118885 119040 119808 122512 122720 126464 128960 131157 131688 134520 135936 137826 138060 139004 141360 142272 142662 142848 143488 145080 145730 145920 146320 147264 149760 150784 151040 153140 154752 158080 158720 161424 164610 169632 169920 173755 174876 175104 175584 177840 178560 179360 181248 183768 184080 188480 189696 190216 193440 196352 199680 201780 206336 208506 212040 213993 215232 218595 218880 219480 220896 226176 226560 229710 232128 233168 234112 237120 237770 238080 245024 245440 252928 257920 262314 263376 269040 271872 275652 276120 278008 282720 284544 285324 285696 286976 290160 291460 291840 292640 294528 299520 301568 302080 306280 309504 312759 316160 322848 329220 339264 339840 344565 347510 349752 351168 355680 356655 357120 358720 367536 368160 376960 379392 380432 386880 392704 403560 412672 417012 424080 427986 430464 437190 437760 438960 441792 451763 452352 453120 459420 464256 466336 468224 474240 475540 476160 490048 490880 515840 521265 524628 526752 538080 543744 551304 552240 556016 565440 569088 570648 573952 580320 582920 585280 589056 599040 603136 612560 619008 625518 632320 645696 655785 658440 678528 679680 689130 695020 699504 702336 711360 713310 714240 717440 735072 736320 753920 758784 760864 773760 785408 807120 834024 848160 855972 860928 874380 875520 877920 883584 903526 904704 906240 918840 928512 932672 936448 948480 951080 980096 981760 1031680 1042530 1049256 1053504 1069965 1076160 1102608 1104480 1112032 1130880 1138176 1141296 1147904 1160640 1165840 1170560 1178112 1225120 1238016 1251036 1264640 1291392 1311570 1316880 1355289 1357056 1359360 1378260 1390040 1399008 1404672 1422720 1426620 1428480 1434880 1470144 1472640 1507840 1521728 1547520 1563795 1614240 1668048 1696320 1711944 1721856 1748760 1755840 1767168 1807052 1809408 1837680 1857024 1865344 1872896 1896960 1902160 1960192 1963520 2063360 2085060 2098512 2107008 2139930 2152320 2205216 2208960 2224064 2258815 2261760 2276352 2282592 2321280 2331680 2341120 2356224 2450240 2502072 2582784 2623140 2633760 2710578 2714112 2718720 2756520 2780080 2798016 2809344 2845440 2853240 2869760 2940288 2945280 3015680 3043456 3095040 3127590 3228480 3336096 3392640 3423888 3443712 3497520 3511680 3534336 3614104 3675360 3714048 3730688 3793920 3804320 3920384 3927040 4065867 4170120 4197024 4214016 4279860 4304640 4410432 4417920 4448128 4517630 4523520 4565184 4642560 4663360 4682240 4900480 5004144 5165568 5246280 5267520 5421156 5428224 5513040 5560160 5596032 5618688 5690880 5706480 5739520 5880576 5890560 6086912 6190080 6255180 6456960 6672192 6776445 6785280 6847776 6995040 7023360 7068672 7228208 7350720 7461376 7608640 7840768 8131734 8340240 8394048 8428032 8559720 8609280 8820864 8835840 8896256 9035260 9047040 9130368 9285120 9326720 9364480 9800960 10008288 10331136 10492560 10535040 10842312 11026080 11120320 11192064 11381760 11412960 11761152 11781120 12173824 12510360 12913920 13344384 13552890 13570560 13695552 13990080 14046720 14456416 14701440 14922752 15217280 16263468 16680480 16788096 16856064 17119440 17218560 17641728 17671680 17792512 18070520 18260736 18570240 18653440 19601920 20016576 20329335 20985120 21070080 21684624 22052160 22240640 22384128 22825920 23522304 24347648 25020720 25827840 26688768 27105780 27141120 27391104 27980160 28093440 28912832 29402880 30434560 32526936 33360960 33576192 34238880 35283456 35343360 35585024 36141040 36521472 37306880 39203840 40033152 40658670 41970240 42140160 43369248 44104320 44481280 44768256 45651840 50041440 51655680 53377536 54211560 54782208 55960320 57825664 58805760 60869120 65053872 66721920 67152384 68477760 70566912 72282080 73042944 74613760 80066304 81317340 83940480 84280320 86738496 88208640 88962560 91303680 100082880 106755072 108423120 109564416 111920640 115651328 117611520 121738240 130107744 133443840 134304768 136955520 144564160 160132608 162634680 167880960 173476992 176417280 177925120 182607360 200165760 216846240 219128832 223841280 231302656 260215488 266887680 273911040 289128320 320265216 325269360 335761920 346953984 352834560 365214720 400331520 433692480 462605312 520430976 533775360 547822080 578256640 650538720 671523840 693907968 800663040 867384960 1040861952 1095644160 1156513280 1301077440 1387815936 1601326080 1734769920 2081723904 2313026560 2602154880 3469539840 4163447808 5204309760 6939079680 10408619520 20817239040
• Sum of all divisors σ(n): 85836441600
• Sum of proper divisors (its aliquot sum) s(n): 65019202560
• 20817239040 is an abundant number, because the sum of its proper divisors (65019202560) is greater than itself. Its abundance is 44201963520

Bases of 20817239040

• Binary: 10011011000110011011101110000000000₂
• Hexadecimal: 0x4D8CDDC00
• Base-36: 9KA1OG0

Squares and roots of 20817239040

• 20817239040 squared (20817239040²) is 433357441248500121600
• 20817239040 cubed (20817239040³) is 9021305444232783072816267264000
• The square root of 20817239040 is 144281.8042581947
• The cube root of 20817239040 is 2750.8972957301

Scales and comparisons

• 20,817,239,040 seconds is equal to 661 years, 48 weeks, 6 hours, 24 minutes.
• To count from 1 to 20,817,239,040 would take you about one thousand, three hundred twenty-three 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 20817239040 cubic inches would be around 229.2 feet tall.

Recreational maths with 20817239040

• 20817239040 backwards is 04093271802
• 20817239040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20817239040's digits is 36
• More coming soon!