20400272640

Names of 20400272640

• Cardinal: 20400272640 can be written as Twenty billion, four hundred million, two hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.040027264 × 10¹⁰

Factors of 20400272640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 306

Divisors of 20400272640

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 30 32 33 36 37 38 40 44 45 48 55 57 60 64 66 72 74 76 80 88 90 95 96 99 110 111 114 120 128 132 144 148 152 160 165 171 176 180 185 190 192 198 209 220 222 228 229 240 256 264 285 288 296 304 320 330 333 342 352 360 370 380 384 396 407 418 440 444 456 458 480 495 528 555 570 576 592 608 627 640 660 666 684 687 703 704 720 740 760 768 792 814 836 855 880 888 912 916 960 990 1045 1056 1110 1140 1145 1152 1184 1216 1221 1254 1280 1320 1332 1368 1374 1406 1408 1440 1480 1520 1584 1628 1665 1672 1710 1760 1776 1824 1832 1881 1920 1980 2035 2061 2090 2109 2112 2220 2280 2290 2304 2368 2432 2442 2508 2519 2640 2664 2736 2748 2812 2816 2880 2960 3040 3135 3168 3256 3330 3344 3420 3435 3515 3520 3552 3648 3663 3664 3762 3840 3960 4070 4122 4180 4218 4224 4351 4440 4560 4580 4736 4864 4884 5016 5038 5280 5328 5472 5496 5624 5760 5920 6080 6105 6270 6327 6336 6512 6660 6688 6840 6870 7030 7040 7104 7296 7326 7328 7524 7557 7733 7920 8140 8244 8360 8436 8448 8473 8702 8880 9120 9160 9405 9472 9768 10032 10076 10305 10545 10560 10656 10944 10992 11248 11520 11840 12160 12210 12540 12595 12654 12672 13024 13053 13320 13376 13680 13740 14060 14080 14208 14592 14652 14656 15048 15114 15466 15840 16280 16488 16720 16872 16946 17404 17760 18240 18315 18320 18810 19536 20064 20152 20610 21090 21120 21312 21755 21888 21984 22496 22671 23199 23680 24320 24420 25080 25190 25308 25344 25419 26048 26106 26640 26752 27360 27480 28120 28416 29304 29312 30096 30228 30932 31635 31680 32560 32976 33440 33744 33892 34808 35520 36480 36630 36640 37620 37785 38665 39072 39159 40128 40304 41220 42180 42240 42365 42624 43510 43776 43968 44992 45342 46398 47360 47861 48840 50160 50380 50616 50838 52096 52212 53280 53504 54720 54960 56240 58608 58624 60192 60456 61864 63270 63360 65120 65265 65952 66880 67488 67784 69597 69616 71040 72960 73260 73280 75240 75570 76257 77330 78144 78318 80256 80608 82440 84360 84730 85248 87020 87936 89984 90684 92796 93203 95722 97680 100320 100760 101232 101676 104192 104424 106560 109440 109920 112480 113355 115995 117216 120384 120912 123728 126540 126720 127095 130240 130530 131904 133760 134976 135568 139194 139232 142080 143583 146520 146560 150480 151140 152514 154660 156288 156636 160512 160987 161216 164880 168720 169460 174040 175872 179968 181368 185592 186406 191444 195360 195795 200640 201520 202464 203352 208848 213120 218880 219840 224960 226710 231990 234432 239305 240768 241824 247456 253080 254190 260480 261060 263808 267520 269952 271136 278388 278464 279609 287166 293040 293120 300960 302280 305028 309320 312576 313272 321974 322432 329760 337440 338920 347985 348080 362736 371184 372812 381285 382888 390720 391590 401280 403040 404928 406704 417696 426240 430749 439680 449920 453420 463980 466015 468864 478610 481536 482961 483648 494912 506160 508380 520960 522120 527616 539904 542272 556776 556928 559218 574332 586080 601920 604560 610056 618640 626544 643948 644864 659520 674880 677840 695970 696160 717915 725472 742368 745624 762570 765776 781440 783180 802560 804935 806080 809856 813408 835392 838827 861498 879360 899840 906840 927960 932030 937728 957220 965922 967296 989824 1012320 1016760 1044240 1084544 1113552 1113856 1118436 1148664 1172160 1203840 1209120 1220112 1237280 1253088 1287896 1319040 1349760 1355680 1391940 1392320 1398045 1435830 1448883 1450944 1484736 1491248 1525140 1531552 1562880 1566360 1609870 1612160 1619712 1626816 1670784 1677654 1722996 1770857 1813680 1855920 1864060 1914440 1931844 1934592 1979648 2024640 2033520 2088480 2153745 2169088 2227104 2236872 2297328 2344320 2407680 2414805 2418240 2440224 2474560 2506176 2575792 2638080 2699520 2711360 2783880 2784640 2796090 2871660 2897766 2901888 2969472 2982496 3050280 3063104 3132720 3219740 3224320 3253632 3341568 3355308 3445992 3541714 3627360 3711840 3728120 3828880 3863688 4049280 4067040 4176960 4194135 4307490 4454208 4473744 4594656 4688640 4829610 4836480 4880448 4949120 5012352 5151584 5312571 5422720 5567760 5569280 5592180 5743320 5795532 5803776 5938944 5964992 6100560 6126208 6265440 6439480 6507264 6710616 6891984 7083428 7244415 7254720 7423680 7456240 7657760 7727376 8098560 8134080 8353920 8388270 8614980 8854285 8908416 8947488 9189312 9659220 9672960 9760896 9898240 10024704 10303168 10625142 10845440 11135520 11184360 11486640 11591064 11929984 12201120 12252416 12530880 12878960 13421232 13783968 14166856 14488830 14509440 14847360 14912480 15315520 15454752 15937713 16268160 16707840 16776540 17229960 17708570 17816832 17894976 18378624 19318440 19521792 20606336 21250284 22271040 22368720 22973280 23182128 23859968 24402240 25061760 25757920 26562855 26842464 27567936 28333712 28977660 29018880 29694720 29824960 30631040 30909504 31875426 32536320 33553080 34459920 35417140 35789952 36757248 38636880 41212672 42500568 44542080 44737440 45946560 46364256 48804480 50123520 51515840 53125710 53684928 55135872 56667424 57955320 59649920 61262080 61819008 63750852 67106160 68919840 70834280 71579904 77273760 79688565 85001136 89084160 89474880 91893120 92728512 97608960 103031680 106251420 107369856 110271744 113334848 115910640 119299840 123638016 127501704 134212320 137839680 141668560 154547520 159377130 170002272 178949760 183786240 185457024 206063360 212502840 214739712 226669696 231821280 255003408 268424640 275679360 283337120 309095040 318754260 340004544 357899520 370914048 425005680 453339392 463642560 510006816 536849280 551358720 566674240 618190080 637508520 680009088 850011360 927285120 1020013632 1073698560 1133348480 1275017040 1360018176 1700022720 1854570240 2040027264 2266696960 2550034080 3400045440 4080054528 5100068160 6800090880 10200136320 20400272640
• Sum of all divisors σ(n): 83606140800
• Sum of proper divisors (its aliquot sum) s(n): 63205868160
• 20400272640 is an abundant number, because the sum of its proper divisors (63205868160) is greater than itself. Its abundance is 42805595520

Bases of 20400272640

• Binary: 10010111111111100110111010100000000₂
• Hexadecimal: 0x4BFF37500
• Base-36: 9DDSN40

Squares and roots of 20400272640

• 20400272640 squared (20400272640²) is 416171123786332569600
• 20400272640 cubed (20400272640³) is 8490004390136373525551775744000
• The square root of 20400272640 is 142829.5229985735
• The cube root of 20400272640 is 2732.4065885895

Scales and comparisons

• 20,400,272,640 seconds is equal to 648 years, 34 weeks, 4 days, 6 hours, 24 minutes.
• To count from 1 to 20,400,272,640 would take you about one thousand, two hundred ninety-seven 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 20400272640 cubic inches would be around 227.7 feet tall.

Recreational maths with 20400272640

• 20400272640 backwards is 04627200402
• The number of decimal digits it has is: 11
• The sum of 20400272640's digits is 27
• More coming soon!