81313427624429

Names of 81313427624429

• Cardinal: 81313427624429 can be written as Eighty-one trillion, three hundred thirteen billion, four hundred twenty-seven million, six hundred twenty-four thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 8.1313427624429 × 10¹³

Factors of 81313427624429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 214777

Divisors of 81313427624429

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 11 13 17 49 77 91 119 121 143 187 221 289 539 637 833 847 1001 1309 1547 1573 2023 2057 2431 3179 3757 4913 5929 7007 9163 10829 11011 14161 14399 17017 22253 26299 26741 34391 34969 41327 54043 63869 77077 100793 119119 155771 184093 187187 214729 240737 244783 289289 378301 447083 454597 594473 702559 1310309 1503103 1713481 2025023 2362019 2648107 2791477 3129581 3182179 3650393 4161311 4917913 7728149 10521721 16534133 19540339 22275253 25552751 25982209 29129177 30706247 34425391 40154323 47455109 54097043 62056681 115738931 136782373 178869257 181875463 214943729 281080261 332185763 337768717 378679301 434396767 441697553 522006199 682623491 806736853 1054963577 1273128241 1504606103 1967561827 2325300341 2364381019 3040777369 3091882871 3654043393 4778364437 5647157971 5742068189 7384745039 7508858401 8874105383 11604599347 13714526501 16550667133 21643180097 25578303751 33448551059 39530105797 40194477323 51693215273 52562008807 62118737681 81232195429 96001685507 97615159213 127650592817 150859791511 281361341261 367934061649 434831163767 568625368003 672011798549 683306114491 893554149719 1056018540577 1659457706621 4783142801437 6254879048033 7392129784039 11616203946347 81313427624429
• Sum of all divisors σ(n): 118964602940400
• Sum of proper divisors (its aliquot sum) s(n): 37651175315971
• 81313427624429 is a deficient number, because the sum of its proper divisors (37651175315971) is less than itself. Its deficiency is 43662252308458

Bases of 81313427624429

• Binary: 10010011111010001000001111110000001000111101101₂
• Hexadecimal: 0x49F441F811ED
• Base-36: STMVFCUST

Squares and roots of 81313427624429

• 81313427624429 squared (81313427624429²) is 6611873512033253206277576041
• 81313427624429 cubed (81313427624429³) is 537634098282595121406579887489503036705589
• The square root of 81313427624429 is 9017395.8338551935
• The cube root of 81313427624429 is 43323.2227947719

Scales and comparisons

• 81,313,427,624,429 seconds is equal to 2,585,515 years, 24 weeks, 6 days, 13 hours, 29 seconds.
• To count from 1 to 81,313,427,624,429 would take you about six million, four hundred sixty-three thousand, seven hundred eighty-eight 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 81313427624429 cubic inches would be around 3610.3 feet tall.

Recreational maths with 81313427624429

• 81313427624429 backwards is 92442672431318
• The number of decimal digits it has is: 14
• The sum of 81313427624429's digits is 56
• More coming soon!