20913717240

Names of 20913717240

• Cardinal: 20913717240 can be written as Twenty billion, nine hundred thirteen million, seven hundred seventeen thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.091371724 × 10¹⁰

Factors of 20913717240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 354

Divisors of 20913717240

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 27 30 31 36 38 39 40 45 52 54 57 60 62 65 72 76 78 81 90 93 95 104 108 114 117 120 124 130 135 152 155 156 162 171 180 186 190 195 216 228 234 243 247 248 260 270 279 281 285 310 312 324 342 351 360 372 380 390 403 405 456 465 468 486 494 513 520 540 558 562 570 585 589 620 648 684 702 741 744 760 780 806 810 837 843 855 930 936 972 988 1026 1053 1080 1116 1124 1140 1170 1178 1209 1215 1235 1240 1368 1395 1404 1405 1482 1539 1560 1612 1620 1674 1686 1710 1755 1767 1860 1944 1976 2015 2052 2106 2223 2232 2248 2280 2340 2356 2418 2430 2470 2511 2529 2565 2790 2808 2810 2945 2964 3078 3159 3224 3240 3348 3372 3420 3510 3534 3627 3653 3705 3720 4030 4104 4185 4212 4215 4446 4617 4680 4712 4836 4860 4940 5022 5058 5130 5265 5301 5339 5580 5620 5890 5928 6045 6156 6318 6669 6696 6744 6840 7020 7068 7254 7306 7410 7533 7587 7657 7695 8060 8370 8424 8430 8711 8835 8892 9234 9672 9720 9880 10044 10116 10260 10530 10602 10678 10881 10959 11115 11160 11240 11780 12090 12312 12555 12636 12645 13338 14040 14136 14508 14612 14820 15066 15174 15314 15390 15795 15903 16017 16120 16740 16860 17422 17670 17784 18135 18265 18468 20007 20088 20232 20520 21060 21204 21356 21762 21918 22230 22761 22971 23085 23560 24180 25110 25272 25290 26133 26505 26676 26695 29016 29224 29640 30132 30348 30628 30780 31590 31806 32034 32643 32877 33345 33480 33720 34844 35340 36270 36530 36936 37665 37935 38285 40014 42120 42408 42712 43524 43555 43836 44460 45522 45942 46170 47709 48051 48360 50220 50580 52266 53010 53352 53390 54405 54795 60021 60264 60696 61256 61560 63180 63612 64068 65286 65754 66690 68283 68913 69407 69688 70680 72540 73060 75330 75870 76570 78399 79515 80028 80085 87048 87110 87672 88920 91044 91884 92340 95418 96102 97929 98631 100035 100440 101160 104532 106020 106780 108810 109590 113243 113805 114855 120042 126360 127224 128136 130572 130665 131508 133380 136566 137826 138814 143127 144153 145080 146120 150660 151740 153140 156798 159030 160056 160170 163215 164385 165509 174220 182088 183768 184680 190836 192204 195858 197262 200070 206739 208221 209064 212040 213560 217620 219180 226486 227610 229710 235197 238545 240084 240255 261144 261330 263016 266760 273132 275652 277628 286254 288306 295893 300105 301320 303480 306280 313596 318060 320340 326430 328770 331018 339729 341415 344565 347035 348440 381672 384408 391716 391995 394524 400140 413478 416442 432459 435240 438360 452972 455220 459420 470394 477090 480168 480510 489645 493155 496527 522660 546264 551304 555256 566215 572508 576612 591786 600210 620217 624663 627192 636120 640680 652860 657540 662036 679458 682830 689130 694070 705591 715635 720765 783432 783990 789048 800280 826956 827545 832884 864918 887679 905944 910440 918840 940788 954180 961020 979290 986310 993054 1019187 1033695 1041105 1045320 1132430 1145016 1153224 1175985 1183572 1200420 1240434 1249326 1297377 1305720 1315080 1324072 1358916 1365660 1378260 1388140 1411182 1431270 1441530 1479465 1489581 1567980 1653912 1655090 1665768 1698645 1729836 1775358 1860651 1873989 1881576 1908360 1922040 1958580 1972620 1986108 2038374 2067390 2082210 2116773 2151617 2162295 2264860 2351970 2367144 2400840 2480868 2482635 2498652 2594754 2717832 2731320 2756520 2776280 2822364 2862540 2883060 2958930 2979162 3057561 3101085 3123315 3135960 3310180 3397290 3459672 3527955 3550716 3721302 3747978 3917160 3945240 3972216 4076748 4134780 4164420 4233546 4303234 4324590 4438395 4468743 4529720 4703940 4961736 4965270 4997304 5095935 5189508 5621967 5644728 5725080 5766120 5917860 5958324 6115122 6202170 6246630 6454851 6486885 6620360 6794580 7055910 7101432 7442604 7447905 7495956 8153496 8269560 8328840 8467092 8606468 8649180 8876790 8937486 9172683 9303255 9369945 9407880 9930540 10191870 10379016 10583865 10758085 11243934 11835720 11916648 12230244 12404340 12493260 12909702 12973770 13406229 13589160 14111820 14885208 14895810 14991912 15287805 16865901 16934184 17212936 17298360 17753580 17874972 18345366 18606510 18739890 19364553 19861080 20383740 21167730 21516170 22343715 22487868 24460488 24808680 24986520 25819404 25947540 26812458 27518049 28109835 28223640 29791620 30575610 32274255 33731802 35507160 35749944 36690732 37213020 37479780 38729106 40218687 40767480 42335460 43032340 44687430 44975736 45863415 51638808 51895080 53624916 55036098 56219670 58093659 59583240 61151220 64548510 67031145 67463604 73381464 74426040 74959560 77458212 80437374 84329505 84670920 86064680 89374860 91726830 96822765 107249832 110072196 112439340 116187318 122302440 129097020 134062290 134927208 137590245 154916424 160874748 168659010 174280977 178749720 183453660 193645530 201093435 220144392 224878680 232374636 258194040 268124580 275180490 290468295 321749496 337318020 348561954 366907320 387291060 402186870 464749272 522842931 536249160 550360980 580936590 674636040 697123908 774582120 804373740 871404885 1045685862 1100721960 1161873180 1394247816 1608747480 1742809770 2091371724 2323746360 2614214655 3485619540 4182743448 5228429310 6971239080 10456858620 20913717240
• Sum of all divisors σ(n): 82775347200
• Sum of proper divisors (its aliquot sum) s(n): 61861629960
• 20913717240 is an abundant number, because the sum of its proper divisors (61861629960) is greater than itself. Its abundance is 40947912720

Bases of 20913717240

• Binary: 10011011110100011011111111111111000₂
• Hexadecimal: 0x4DE8DFFF8
• Base-36: 9LVHJI0

Squares and roots of 20913717240

• 20913717240 squared (20913717240²) is 437383568794673217600
• 20913717240 cubed (20913717240³) is 9147316283193883291087391424000
• The square root of 20913717240 is 144615.7572327441
• The cube root of 20913717240 is 2755.1404563641

Scales and comparisons

• 20,913,717,240 seconds is equal to 664 years, 51 weeks, 3 days, 21 hours, 54 minutes.
• To count from 1 to 20,913,717,240 would take you about one thousand, three hundred twenty-nine 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 20913717240 cubic inches would be around 229.6 feet tall.

Recreational maths with 20913717240

• 20913717240 backwards is 04271731902
• 20913717240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20913717240's digits is 36
• More coming soon!