808138992990

Names of 808138992990

• Cardinal: 808138992990 can be written as Eight hundred eight billion, one hundred thirty-eight million, nine hundred ninety-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.0813899299 × 10¹¹

Factors of 808138992990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 343

Divisors of 808138992990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 95 98 105 114 133 147 190 210 245 266 285 294 307 399 490 570 614 665 735 798 921 931 1330 1470 1535 1842 1862 1995 2149 2793 3070 3990 4298 4605 4655 5586 5833 6447 9210 9310 10745 11666 12894 13965 15043 17499 21490 27930 29165 30086 32235 34998 40831 45129 58330 64470 75215 81662 87495 90258 94249 122493 150430 174990 188498 204155 225645 244986 282747 285817 408310 451290 471245 565494 571634 612465 659743 857451 942490 1224930 1319486 1413735 1429085 1714902 1790731 1979229 2827470 2858170 3298715 3581462 3958458 4287255 4618201 5372193 6597430 8574510 8953655 9236402 9896145 10744386 12535117 13854603 17907310 19792290 23091005 25070234 26860965 27709206 28934443 37605351 46182010 53721930 57868886 62675585 69273015 75210702 86803329 87745819 125351170 138546030 144672215 173606658 175491638 188026755 202541101 263237457 289344430 376053510 405082202 434016645 438729095 526474914 549754417 607623303 868033290 877458190 1012705505 1099508834 1215246606 1316187285 1417787707 1649263251 2025411010 2632374570 2748772085 2835575414 3038116515 3298526502 3848280919 4253363121 5497544170 6076233030 7088938535 7696561838 8246316255 8506726242 11544842757 14177877070 16492632510 19241404595 21266815605 23089685514 26937966433 38482809190 42533631210 53875932866 57724213785 80813899299 115448427570 134689832165 161627798598 269379664330 404069496495 808138992990
• Sum of all divisors σ(n): 2382700320000
• Sum of proper divisors (its aliquot sum) s(n): 1574561327010
• 808138992990 is an abundant number, because the sum of its proper divisors (1574561327010) is greater than itself. Its abundance is 766422334020

Bases of 808138992990

• Binary: 1011110000101000110101100110110101011110₂
• Hexadecimal: 0xBC28D66D5E
• Base-36: AB9539SU

Squares and roots of 808138992990

• 808138992990 squared (808138992990²) is 653088631990891269140100
• 808138992990 cubed (808138992990³) is 527786389390335569095463477227899000
• The square root of 808138992990 is 898965.5126811039
• The cube root of 808138992990 is 9314.5530540265

Scales and comparisons

• 808,138,992,990 seconds is equal to 25,696 years, 16 weeks, 4 days, 13 hours, 36 minutes, 30 seconds.
• To count from 1 to 808,138,992,990 would take you about fifty-one thousand, three hundred ninety-two 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 808138992990 cubic inches would be around 776.2 feet tall.

Recreational maths with 808138992990

• 808138992990 backwards is 099299831808
• The number of decimal digits it has is: 12
• The sum of 808138992990's digits is 66
• More coming soon!