81988294410
81,988,294,410 is an even composite number composed of seven prime numbers multiplied together.
81988294410 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 81988294410:
2 × 32 × 5 × 112 × 19 × 71 × 5581
(2 × 3 × 3 × 5 × 11 × 11 × 19 × 71 × 5581)See below for interesting mathematical facts about the number 81988294410 from the Numbermatics database.
Names of 81988294410
- Cardinal: 81988294410 can be written as Eighty-one billion, nine hundred eighty-eight million, two hundred ninety-four thousand, four hundred ten.
Scientific notation
- Scientific notation: 8.198829441 × 1010
Factors of 81988294410
Divisors of 81988294410
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 19 22 30 33 38 45 55 57 66 71 90 95 99 110 114 121 142 165 171 190 198 209 213 242 285 330 342 355 363 418 426 495 570 605 627 639 710 726 781 855 990 1045 1065 1089 1210 1254 1278 1349 1562 1710 1815 1881 2090 2130 2178 2299 2343 2698 3135 3195 3630 3762 3905 4047 4598 4686 5445 5581 6270 6390 6745 6897 7029 7810 8094 8591 9405 10890 11162 11495 11715 12141 13490 13794 14058 14839 16743 17182 18810 20235 20691 22990 23430 24282 25773 27905 29678 33486 34485 35145 40470 41382 42955 44517 50229 51546 55810 60705 61391 68970 70290 74195 77319 83715 85910 89034 100458 103455 106039 121410 122782 128865 133551 148390 154638 163229 167430 184173 206910 212078 222585 251145 257730 267102 306955 318117 326458 368346 386595 396251 445170 489687 502290 530195 552519 613910 636234 667755 675301 773190 792502 816145 920865 954351 979374 1060390 1105038 1166429 1188753 1335510 1350602 1469061 1590585 1632290 1841730 1908702 1981255 2025903 2332858 2377506 2448435 2762595 2938122 3181170 3376505 3499287 3566259 3962510 4051806 4358761 4771755 4896870 5525190 5832145 5943765 6077709 6753010 6998574 7132518 7345305 7528769 8717522 9543510 10129515 10497861 11664290 11887530 12155418 12830719 13076283 14690610 15057538 17496435 17831295 20259030 20995722 21793805 22586307 25661438 26152566 30388545 34992870 35662590 37643845 38492157 39228849 43587610 45172614 47946371 52489305 60777090 64153595 65381415 67758921 75287690 76984314 78457698 82816459 95892742 104978610 112931535 115476471 128307190 130762830 135517842 143839113 165632918 192460785 196144245 225863070 230952942 239731855 248449377 287678226 338794605 384921570 392288490 414082295 431517339 479463710 496898754 577382355 677589210 719195565 745348131 828164590 863034678 910981049 1154764710 1242246885 1438391130 1490696262 1821962098 2157586695 2484493770 2732943147 3726740655 4315173390 4554905245 5465886294 7453481310 8198829441 9109810490 13664715735 16397658882 27329431470 40994147205 81988294410
- Sum of all divisors σ(n): 250161125760
- Sum of proper divisors (its aliquot sum) s(n): 168172831350
- 81988294410 is an abundant number, because the sum of its proper divisors (168172831350) is greater than itself. Its abundance is 86184536940
Bases of 81988294410
- Binary: 10011000101101110001000010111000010102
- Hexadecimal: 0x1316E2170A
- Base-36: 11NXPOUI
Squares and roots of 81988294410
- 81988294410 squared (819882944102) is 6722080420260837248100
- 81988294410 cubed (819882944103) is 551131908544042053290317013121000
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The
square root of 81988294410 is 286335.9816893435 -
The
cube root of 81988294410 is 4344.2747494309
Scales and comparisons
How big is 81988294410?- 81,988,294,410 seconds is equal to 2,606 years, 50 weeks, 4 days, 14 hours, 13 minutes, 30 seconds.
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To count from 1 to 81,988,294,410 would take you about five thousand, two hundred thirteen 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 81988294410 cubic inches would be around 362 feet tall.
Recreational maths with 81988294410
- 81988294410 backwards is 01449288918
- The number of decimal digits it has is: 11
- The sum of 81988294410's digits is 54
- More coming soon!
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