81634299012

Names of 81634299012

• Cardinal: 81634299012 can be written as Eighty-one billion, six hundred thirty-four million, two hundred ninety-nine thousand and twelve.

Scientific notation

• Scientific notation: 8.1634299012 × 10¹⁰

Factors of 81634299012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 505

Divisors of 81634299012

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 29 36 42 54 58 63 81 84 87 108 116 126 127 162 174 189 203 252 254 261 324 337 348 378 381 406 508 522 567 609 674 756 762 783 812 841 889 1011 1044 1134 1143 1218 1348 1524 1566 1682 1778 1827 2022 2268 2286 2349 2359 2436 2523 2667 3033 3132 3364 3429 3556 3654 3683 4044 4572 4698 4718 5046 5334 5481 5887 6066 6858 7077 7308 7366 7569 8001 9099 9396 9436 9773 10092 10287 10668 10962 11049 11774 12132 13716 14154 14732 15138 16002 16443 17661 18198 19546 20574 21231 21924 22098 22707 23548 24003 25781 27297 28308 29319 30276 32004 32886 33147 35322 36396 39092 41148 42462 42799 44196 45414 48006 51562 52983 54594 58638 63693 65772 66294 68121 68411 70644 72009 77343 84924 85598 87957 90828 96012 99441 103124 105966 106807 109188 117276 127386 128397 132588 136242 136822 144018 154686 158949 171196 175914 191079 198882 205233 211932 213614 232029 254772 256794 263871 272484 273644 283417 288036 298323 299593 309372 317898 320421 351828 382158 385191 397764 410466 427228 464058 476847 513588 527742 566834 596646 599186 615699 635796 640842 696087 747649 764316 770382 791613 820932 850251 898779 928116 953694 961263 1055484 1133668 1155573 1193292 1198372 1231398 1241171 1281684 1392174 1495298 1540764 1583226 1700502 1797558 1847097 1907388 1922526 1983919 2088261 2242947 2311146 2462796 2482342 2550753 2696337 2784348 2883789 2990596 3166452 3401004 3466719 3595116 3694194 3723513 3845052 3967838 4176522 4485894 4622292 4964684 5101506 5392674 5541291 5767578 5951757 6728841 6933438 7388388 7447026 7652259 7935676 8089011 8353044 8651367 8688197 8971788 10203012 10785348 11082582 11170539 11535156 11903514 13457682 13866876 14894052 15304518 16178022 17302734 17376394 17855271 20186523 22165164 22341078 22956777 23807028 24267033 26064591 26915364 30609036 32356044 33511617 34605468 34752788 35710542 35993959 40373046 44682156 45913554 48534066 52129182 53565813 60559569 67023234 71421084 71987918 78193773 80746092 91827108 97068132 100534851 104258364 107131626 107981877 121119138 134046468 143975836 156387546 160697439 201069702 214263252 215963754 234581319 242238276 251957713 312775092 321394878 323945631 402139404 431927508 469162638 503915426 642789756 647891262 703743957 755873139 938325276 971836893 1007830852 1295782524 1407487914 1511746278 1943673786 2267619417 2814975828 2915510679 3023492556 3887347572 4535238834 5831021358 6802858251 9070477668 11662042716 13605716502 20408574753 27211433004 40817149506 81634299012
• Sum of all divisors σ(n): 255339628544
• Sum of proper divisors (its aliquot sum) s(n): 173705329532
• 81634299012 is an abundant number, because the sum of its proper divisors (173705329532) is greater than itself. Its abundance is 92071030520

Bases of 81634299012

• Binary: 1001100000001110010001000110010000100₂
• Hexadecimal: 0x1301C88C84
• Base-36: 11I2YC90

Squares and roots of 81634299012

• 81634299012 squared (81634299012²) is 6664158775180624176144
• 81634299012 cubed (81634299012³) is 544023930116538758304135453169728
• The square root of 81634299012 is 285717.1661136237
• The cube root of 81634299012 is 4338.0134007839

Scales and comparisons

• 81,634,299,012 seconds is equal to 2,595 years, 37 weeks, 2 days, 10 hours, 10 minutes, 12 seconds.
• To count from 1 to 81,634,299,012 would take you about five thousand, one hundred ninety-one 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 81634299012 cubic inches would be around 361.5 feet tall.

Recreational maths with 81634299012

• 81634299012 backwards is 21099243618
• The number of decimal digits it has is: 11
• The sum of 81634299012's digits is 45
• More coming soon!