813725726128

Names of 813725726128

• Cardinal: 813725726128 can be written as Eight hundred thirteen billion, seven hundred twenty-five million, seven hundred twenty-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 8.13725726128 × 10¹¹

Factors of 813725726128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 69

Divisors of 813725726128

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 43 49 56 68 86 98 112 119 136 172 196 238 272 289 301 344 392 476 578 602 688 731 784 833 952 1156 1204 1462 1666 1904 2023 2107 2312 2408 2924 3332 4046 4214 4624 4816 4913 5117 5848 6664 8092 8428 9826 10234 11696 12427 13328 14161 16184 16856 19652 20468 24854 28322 32368 33712 34391 35819 39304 40936 49708 56644 68782 71638 78608 81872 83521 86989 99416 113288 137564 143276 167042 173978 198832 211259 226576 240737 275128 286552 334084 347956 422518 481474 550256 573104 584647 608923 668168 695912 845036 962948 1169294 1217846 1336336 1391824 1419857 1478813 1690072 1925896 2338588 2435692 2839714 2957626 3380144 3591403 3851792 4092529 4677176 4871384 5679428 5915252 7182806 8185058 9354352 9742768 9938999 10351691 11358856 11830504 14365612 16370116 19877998 20703382 22717712 23661008 24137569 25139821 28731224 32740232 39755996 41406764 48275138 50279642 57462448 61053851 65480464 69572993 79511992 82813528 96550276 100559284 122107702 139145986 159023984 165627056 168962983 175978747 193100552 201118568 244215404 278291972 337925966 351957494 386201104 402237136 427376957 488430808 556583944 675851932 703914988 854753914 976861616 1037915467 1113167888 1182740881 1351703864 1407829976 1709507828 2075830934 2365481762 2703407728 2815659952 2991638699 3419015656 4151661868 4730963524 5983277398 6838031312 7265408269 8303323736 9461927048 11966554796 14530816538 16606647472 18923854096 23933109592 29061633076 47866219184 50857857883 58123266152 101715715766 116246532304 203431431532 406862863064 813725726128
• Sum of all divisors σ(n): 1993938191916
• Sum of proper divisors (its aliquot sum) s(n): 1180212465788
• 813725726128 is an abundant number, because the sum of its proper divisors (1180212465788) is greater than itself. Its abundance is 366486739660

Bases of 813725726128

• Binary: 1011110101110101110101010011010110110000₂
• Hexadecimal: 0xBD75D535B0
• Base-36: ADTJACOG

Squares and roots of 813725726128

• 813725726128 squared (813725726128²) is 662149557362540861872384
• 813725726128 cubed (813725726128³) is 538808129370167351374176620070449152
• The square root of 813725726128 is 902067.4731570805
• The cube root of 813725726128 is 9335.9678794915

Scales and comparisons

• 813,725,726,128 seconds is equal to 25,873 years, 49 weeks, 6 days, 19 hours, 55 minutes, 28 seconds.
• To count from 1 to 813,725,726,128 would take you about fifty-one thousand, seven hundred forty-seven 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 813725726128 cubic inches would be around 778 feet tall.

Recreational maths with 813725726128

• 813725726128 backwards is 821627527318
• The number of decimal digits it has is: 12
• The sum of 813725726128's digits is 52
• More coming soon!