81473442624

Names of 81473442624

• Cardinal: 81473442624 can be written as Eighty-one billion, four hundred seventy-three million, four hundred forty-two thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 8.1473442624 × 10¹⁰

Factors of 81473442624

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8050

Divisors of 81473442624

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 29 32 36 42 48 54 56 58 63 64 72 84 87 96 108 112 116 126 144 168 174 189 192 203 216 224 232 252 261 288 336 348 378 406 432 448 464 504 522 576 609 672 696 756 783 812 841 864 928 1008 1044 1218 1344 1392 1512 1566 1624 1682 1728 1827 1856 2016 2088 2436 2523 2784 3024 3132 3248 3364 3654 4032 4176 4872 5046 5481 5568 5887 6048 6264 6496 6728 7308 7569 8009 8352 9744 10092 10962 11774 12096 12528 12992 13456 14616 15138 16018 16704 17661 19488 20184 21924 22707 23548 24027 25056 26912 29232 30276 32036 35322 38976 40368 43848 45414 47096 48054 50112 52983 53824 56063 58464 60552 64072 70644 72081 80736 87696 90828 94192 96108 105966 112126 116928 121104 128144 141288 144162 158949 161472 168189 175392 181656 188384 192216 211932 216243 224252 232261 242208 256288 282576 288324 317898 336378 350784 363312 376768 384432 423864 432486 448504 464522 484416 504567 512576 565152 576648 635796 672756 696783 726624 768864 847728 864972 897008 929044 1009134 1130304 1153296 1271592 1345512 1393566 1453248 1513701 1537728 1625827 1695456 1729944 1794016 1858088 2018268 2090349 2306592 2543184 2691024 2787132 3027402 3251654 3390912 3459888 3588032 3716176 4036536 4180698 4613184 4877481 5086368 5382048 5574264 6054804 6271047 6503308 6735569 6919776 7432352 8073072 8361396 9754962 10172736 10764096 11148528 12109608 12542094 13006616 13471138 13839552 14632443 14864704 16146144 16722792 19509924 20206707 22297056 24219216 25084188 26013232 26942276 29264886 32292288 33445584 39019848 40413414 43897329 44594112 47148983 48438432 50168376 52026464 53884552 58529772 60620121 66891168 78039696 80826828 87794658 94297966 96876864 100336752 104052928 107769104 117059544 121240242 133782336 141446949 156079392 161653656 175589316 181860363 188595932 200673504 215538208 234119088 242480484 282893898 312158784 323307312 351178632 363720726 377191864 401347008 424340847 431076416 468238176 484960968 565787796 646614624 702357264 727441452 754383728 848681694 936476352 969921936 1131575592 1273022541 1293229248 1404714528 1454882904 1508767456 1697363388 1939843872 2263151184 2546045082 2809429056 2909765808 3017534912 3394726776 3879687744 4526302368 5092090164 5819531616 6789453552 9052604736 10184180328 11639063232 13578907104 20368360656 27157814208 40736721312 81473442624
• Sum of all divisors σ(n): 283533494400
• Sum of proper divisors (its aliquot sum) s(n): 202060051776
• 81473442624 is an abundant number, because the sum of its proper divisors (202060051776) is greater than itself. Its abundance is 120586609152

Bases of 81473442624

• Binary: 1001011111000001100100001001101000000₂
• Hexadecimal: 0x12F8321340
• Base-36: 11FF6MO0

Squares and roots of 81473442624

• 81473442624 squared (81473442624²) is 6637921853006220005376
• 81473442624 cubed (81473442624³) is 540814345233498027523122507546624
• The square root of 81473442624 is 285435.5314672649
• The cube root of 81473442624 is 4335.1622462951

Scales and comparisons

• 81,473,442,624 seconds is equal to 2,590 years, 31 weeks, 2 days, 15 hours, 50 minutes, 24 seconds.
• To count from 1 to 81,473,442,624 would take you about five thousand, one hundred eighty-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 81473442624 cubic inches would be around 361.3 feet tall.

Recreational maths with 81473442624

• 81473442624 backwards is 42624437418
• The number of decimal digits it has is: 11
• The sum of 81473442624's digits is 45
• More coming soon!