813406555604890

Names of 813406555604890

• Cardinal: 813406555604890 can be written as Eight hundred thirteen trillion, four hundred six billion, five hundred fifty-five million, six hundred four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 8.1340655560489 × 10¹⁴

Factors of 813406555604890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3751

Divisors of 813406555604890

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 13 26 29 58 65 130 145 290 377 754 841 1093 1682 1885 2186 2609 3770 4205 5218 5465 8410 10930 10933 13045 14209 21866 26090 28418 31697 33917 54665 63394 67834 71045 75661 109330 142090 151322 158485 169585 316970 339170 378305 412061 756610 824122 919213 983593 1838426 1967186 2060305 2194169 2851637 4120610 4388338 4596065 4917965 5703274 6806881 9192130 9835930 10970845 11949769 13613762 14258185 21941690 23899538 28516370 28524197 34034405 37071281 57048394 59748845 68068810 74142562 82697473 88489453 119497690 142620985 165394946 176978906 185356405 197399549 285241970 370712810 394799098 413487365 442447265 826974730 884894530 986997745 1075067149 1973995490 2150134298 2398226717 2566194137 4796453434 5132388274 5375335745 5724586921 7439920933 10750671490 11449173842 11991133585 12830970685 14879841866 23982267170 25661941370 28622934605 31176947321 37199604665 57245869210 62353894642 74399209330 74419629973 96718972129 148839259946 155884736605 193437944258 215757707057 311769473210 372098149865 431515414114 483594860645 744196299730 967189721290 1078788535285 2157577070570 2804850191741 5609700383482 6256973504653 12513947009306 14024250958705 28048501917410 31284867523265 62569735046530 81340655560489 162681311120978 406703277802445 813406555604890
• Sum of all divisors σ(n): 1635123905637768
• Sum of proper divisors (its aliquot sum) s(n): 821717350032878
• 813406555604890 is an abundant number, because the sum of its proper divisors (821717350032878) is greater than itself. Its abundance is 8310794427988

Bases of 813406555604890

• Binary: 10111000111100100111111000110011100000011110011010₂
• Hexadecimal: 0x2E3C9F8CE079A
• Base-36: 80BTT9O78A

Squares and roots of 813406555604890

• 813406555604890 squared (813406555604890²) is 661630224701011007473791912100
• 813406555604890 cubed (813406555604890³) is 538174362158138775225730880318945805210169000
• The square root of 813406555604890 is 28520283.2314984207
• The cube root of 813406555604890 is 93347.4709328593

Scales and comparisons

• 813,406,555,604,890 seconds is equal to 25,863,812 years, 22 weeks, 4 days, 21 hours, 48 minutes, 10 seconds.
• To count from 1 to 813,406,555,604,890 would take you about sixty-four million, six hundred fifty-nine thousand, five hundred thirty-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 813406555604890 cubic inches would be around 7779 feet tall.

Recreational maths with 813406555604890

• 813406555604890 backwards is 098406555604318
• The number of decimal digits it has is: 15
• The sum of 813406555604890's digits is 64
• More coming soon!