72397328640

Names of 72397328640

• Cardinal: 72397328640 can be written as Seventy-two billion, three hundred ninety-seven million, three hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.239732864 × 10¹⁰

Factors of 72397328640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 15967

Divisors of 72397328640

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 64 65 70 78 80 84 91 96 104 105 112 120 128 130 140 156 160 168 169 182 192 195 208 210 224 240 256 260 273 280 312 320 336 338 364 384 390 416 420 448 455 480 507 520 546 560 624 640 672 676 728 768 780 832 840 845 896 910 960 1014 1040 1092 1120 1183 1248 1280 1344 1352 1365 1456 1560 1664 1680 1690 1792 1820 1920 2028 2080 2184 2240 2366 2496 2535 2688 2704 2730 2912 3120 3328 3360 3380 3549 3640 3840 4056 4160 4368 4480 4732 4992 5070 5376 5408 5460 5824 5915 6240 6720 6760 7098 7280 8112 8320 8736 8960 9464 9984 10140 10816 10920 11648 11830 12480 13440 13520 14196 14560 15937 16224 16640 17472 17745 18928 20280 21632 21840 23296 23660 24960 26880 27040 28392 29120 31874 32448 34944 35490 37856 40560 43264 43680 47320 47811 49920 54080 56784 58240 63748 64896 69888 70980 75712 79685 81120 87360 94640 95622 108160 111559 113568 116480 127496 129792 141960 151424 159370 162240 174720 189280 191244 207181 216320 223118 227136 239055 254992 283920 302848 318740 324480 334677 349440 378560 382488 414362 446236 454272 478110 509984 557795 567840 621543 637480 648960 669354 757120 764976 828724 892472 908544 956220 1019968 1035905 1115590 1135680 1243086 1274960 1338708 1450267 1514240 1529952 1657448 1673385 1784944 1912440 2039936 2071810 2231180 2271360 2486172 2549920 2677416 2693353 2900534 3059904 3107715 3314896 3346770 3569888 3824880 4079872 4143620 4350801 4462360 4542720 4972344 5099840 5354832 5386706 5801068 6119808 6215430 6629792 6693540 7139776 7251335 7649760 8080059 8287240 8701602 8924720 9944688 10199680 10709664 10773412 11602136 12239616 12430860 13259584 13387080 13466765 14279552 14502670 15299520 16160118 16574480 17403204 17849440 18853471 19889376 20399360 21419328 21546824 21754005 23204272 24861720 26519168 26774160 26933530 28559104 29005340 30599040 32320236 33148960 34806408 35698880 37706942 39778752 40400295 42838656 43093648 43508010 46408544 49723440 53038336 53548320 53867060 56560413 58010680 61198080 64640472 66297920 69612816 71397760 75413884 79557504 80800590 85677312 86187296 87016020 92817088 94267355 99446880 107096640 107734120 113120826 116021360 129280944 132595840 139225632 142795520 150827768 159115008 161601180 172374592 174032040 185634176 188534710 198893760 214193280 215468240 226241652 232042720 258561888 265191680 278451264 282802065 301655536 323202360 344749184 348064080 371268352 377069420 397787520 428386560 430936480 452483304 464085440 517123776 556902528 565604130 603311072 646404720 689498368 696128160 754138840 795575040 861872960 904966608 928170880 1034247552 1113805056 1131208260 1206622144 1292809440 1392256320 1508277680 1723745920 1809933216 1856341760 2068495104 2262416520 2413244288 2585618880 2784512640 3016555360 3447491840 3619866432 4524833040 4826488576 5171237760 5569025280 6033110720 7239732864 9049666080 10342475520 12066221440 14479465728 18099332160 24132442880 36198664320 72397328640
• Sum of all divisors σ(n): 286158757248
• Sum of proper divisors (its aliquot sum) s(n): 213761428608
• 72397328640 is an abundant number, because the sum of its proper divisors (213761428608) is greater than itself. Its abundance is 141364099968

Bases of 72397328640

• Binary: 1000011011011001101111001000100000000₂
• Hexadecimal: 0x10DB379100
• Base-36: X9BI0AO

Squares and roots of 72397328640

• 72397328640 squared (72397328640²) is 5241373194208164249600
• 72397328640 cubed (72397328640³) is 379461417665975011749390188544000
• The square root of 72397328640 is 269067.5168800575
• The cube root of 72397328640 is 4167.8061760019

Scales and comparisons

• 72,397,328,640 seconds is equal to 2,302 years, 4 days, 1 hour, 4 minutes.
• To count from 1 to 72,397,328,640 would take you about four thousand, six hundred four 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 72397328640 cubic inches would be around 347.3 feet tall.

Recreational maths with 72397328640

• 72397328640 backwards is 04682379327
• The number of decimal digits it has is: 11
• The sum of 72397328640's digits is 51
• More coming soon!