19785790513664

Names of 19785790513664

• Cardinal: 19785790513664 can be written as Nineteen trillion, seven hundred eighty-five billion, seven hundred ninety million, five hundred thirteen thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.9785790513664 × 10¹³

Factors of 19785790513664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 209

Divisors of 19785790513664

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 98 112 128 133 152 181 196 224 256 266 304 343 362 392 448 512 532 608 686 724 784 896 931 1064 1216 1267 1372 1448 1568 1792 1862 2128 2432 2534 2744 2896 3136 3439 3584 3724 4256 4864 5068 5488 5792 6272 6517 6878 7448 8512 8869 9728 10136 10976 11584 12544 13034 13756 14896 17024 17738 20272 21952 23168 24073 25088 26068 27512 29792 32761 34048 35476 40544 43904 46336 48146 52136 55024 59584 62083 65522 68096 70952 81088 87808 92672 96292 104272 110048 119168 124166 131044 141904 162176 168511 175616 192584 208544 220096 229327 238336 248332 262088 283808 324352 337022 385168 417088 440192 458654 476672 496664 524176 567616 622459 648704 674044 770336 834176 880384 917308 993328 1048352 1135232 1179577 1244918 1348088 1540672 1605289 1668352 1760768 1834616 1986656 2096704 2270464 2359154 2489836 2696176 3081344 3210578 3336704 3669232 3973312 4193408 4357213 4540928 4718308 4979672 5392352 5929741 6162688 6421156 7338464 7946624 8386816 8714426 9436616 9959344 10784704 11237023 11859482 12325376 12842312 14676928 15893248 16773632 17428852 18873232 19918688 21569408 22474046 23718964 25684624 29353856 30500491 31786496 34857704 37746464 39837376 41508187 43138816 44948092 47437928 51369248 58707712 61000982 69715408 75492928 79674752 83016374 86277632 89896184 94875856 102738496 112665079 117415424 122001964 139430816 150985856 159349504 166032748 179792368 189751712 205476992 213503437 225330158 244003928 278861632 290557309 301971712 318699008 332065496 359584736 379503424 410953984 427006874 450660316 488007856 557723264 581114618 603943424 664130992 719169472 759006848 788655553 821907968 854013748 901320632 976015712 1115446528 1162229236 1328261984 1438338944 1518013696 1577311106 1708027496 1802641264 1952031424 2033901163 2230893056 2324458472 2656523968 2876677888 3036027392 3154622212 3416054992 3605282528 3904062848 4067802326 4648916944 5313047936 5520588871 5753355776 6309244424 6832109984 7210565056 7808125696 8135604652 9297833888 10626095872 11041177742 12618488848 13664219968 14421130112 15616251392 16271209304 18595667776 21252191744 22082355484 25236977696 27328439936 28842260224 32542418608 37191335552 38644122097 44164710968 50473955392 54656879872 57684520448 65084837216 74382671104 77288244194 88329421936 100947910784 109313759744 130169674432 148765342208 154576488388 176658843872 201895821568 260339348864 309152976776 353317687744 403791643136 520678697728 618305953552 706635375488 1041357395456 1236611907104 1413270750976 2473223814208 2826541501952 4946447628416 9892895256832 19785790513664
• Sum of all divisors σ(n): 48798605856000
• Sum of proper divisors (its aliquot sum) s(n): 29012815342336
• 19785790513664 is an abundant number, because the sum of its proper divisors (29012815342336) is greater than itself. Its abundance is 9227024828672

Bases of 19785790513664

• Binary: 100011111111010111101000000111110001000000000₂
• Hexadecimal: 0x11FEBD03E200
• Base-36: 70HGSTFY8

Squares and roots of 19785790513664

• 19785790513664 squared (19785790513664²) is 391477506250596332970704896
• 19785790513664 cubed (19785790513664³) is 7745691929485888189634758003291999698944
• The square root of 19785790513664 is 4448122.1334023641
• The cube root of 19785790513664 is 27046.9191114457

Scales and comparisons

• 19,785,790,513,664 seconds is equal to 629,126 years, 48 weeks, 5 days, 27 minutes, 44 seconds.
• To count from 1 to 19,785,790,513,664 would take you about one million, five hundred seventy-two thousand, eight hundred seventeen 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 19785790513664 cubic inches would be around 2253.9 feet tall.

Recreational maths with 19785790513664

• 19785790513664 backwards is 46631509758791
• The number of decimal digits it has is: 14
• The sum of 19785790513664's digits is 71
• More coming soon!