30797091081

Names of 30797091081

• Cardinal: 30797091081 can be written as Thirty billion, seven hundred ninety-seven million, ninety-one thousand and eighty-one.

Scientific notation

• Scientific notation: 3.0797091081 × 10¹⁰

Factors of 30797091081

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 88

Divisors of 30797091081

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 9 17 27 31 37 51 81 93 111 153 279 289 333 459 527 629 837 867 961 999 1147 1369 1377 1581 1887 2511 2601 2883 2997 3441 4107 4743 5661 7803 8649 8959 10323 10693 12321 14229 16337 16983 19499 23273 23409 25947 26877 30969 32079 35557 36963 42439 42687 49011 50949 58497 69819 77841 80631 92907 96237 106671 110889 127317 147033 175491 209457 241893 277729 288711 320013 331483 381951 395641 441099 526473 604469 628371 721463 725679 833187 866133 960039 994449 1145853 1186923 1315609 1323297 1579419 1813407 1885113 2164389 2499561 2880117 2983347 3437559 3560769 3946827 5440221 6493167 7498683 8950041 10275973 10682307 11840481 12264871 16320663 19479501 22365353 22496049 26850123 30827919 32046921 35521443 36794613 48961989 58438503 67096059 92483757 106564329 110383839 201288177 277451271 331151517 380211001 603864531 832353813 993454551 1140633003 1811593593 3421899009 10265697027 30797091081
• Sum of all divisors σ(n): 51899968197
• Sum of proper divisors (its aliquot sum) s(n): 21102877116
• 30797091081 is a deficient number, because the sum of its proper divisors (21102877116) is less than itself. Its deficiency is 9694213965

Bases of 30797091081

• Binary: 11100101011101001100101000100001001₂
• Hexadecimal: 0x72BA65109
• Base-36: E5BSJK9

Squares and roots of 30797091081

• 30797091081 squared (30797091081²) is 948460819051409748561
• 30797091081 cubed (30797091081³) is 29209834231086126047884425684441
• 30797091081 is a perfect square number. Its square root is 175491
• The cube root of 30797091081 is 3134.5117281733

Scales and comparisons

• 30,797,091,081 seconds is equal to 979 years, 13 weeks, 19 hours, 31 minutes, 21 seconds.
• To count from 1 to 30,797,091,081 would take you about one thousand, nine hundred fifty-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 30797091081 cubic inches would be around 261.2 feet tall.

Recreational maths with 30797091081

• 30797091081 backwards is 18019079703
• The number of decimal digits it has is: 11
• The sum of 30797091081's digits is 45
• More coming soon!