8129837400813

Names of 8129837400813

• Cardinal: 8129837400813 can be written as Eight trillion, one hundred twenty-nine billion, eight hundred thirty-seven million, four hundred thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 8.129837400813 × 10¹²

Factors of 8129837400813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 315

Divisors of 8129837400813

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 27 41 81 123 243 271 369 813 1107 1681 2439 3321 5043 7317 9963 11111 15129 21951 33333 45387 65853 73441 99999 136161 220323 299997 408483 455551 660969 899991 1366653 1982907 2699973 3011081 4099959 5948721 9033243 12299877 17846163 19902511 27099729 36899631 59707533 81299187 110698893 123454321 179122599 243897561 370362963 537367797 731692683 816002951 1111088889 1612103391 2448008853 3333266667 4836310173 7344026559 9999800001 22032079677 29999400003 33456120991 66096239031 100368362973 198288717093 301105088919 903315266757 2709945800271 8129837400813
• Sum of all divisors σ(n): 12528528358528
• Sum of proper divisors (its aliquot sum) s(n): 4398690957715
• 8129837400813 is a deficient number, because the sum of its proper divisors (4398690957715) is less than itself. Its deficiency is 3731146443098

Bases of 8129837400813

• Binary: 1110110010011100000000100100000001011101101₂
• Hexadecimal: 0x764E01202ED
• Base-36: 2VQSNA5T9

Squares and roots of 8129837400813

• 8129837400813 squared (8129837400813²) is 66094256163657875613060969
• 8129837400813 cubed (8129837400813³) is 537335555738220948224664847129859167797
• The square root of 8129837400813 is 2851286.9727217919
• The cube root of 8129837400813 is 20107.6177167113

Scales and comparisons

• 8,129,837,400,813 seconds is equal to 258,503 years, 35 weeks, 3 days, 6 hours, 53 minutes, 33 seconds.
• To count from 1 to 8,129,837,400,813 would take you about six hundred forty-six thousand, two hundred fifty-nine 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 8129837400813 cubic inches would be around 1675.6 feet tall.

Recreational maths with 8129837400813

• 8129837400813 backwards is 3180047389218
• The number of decimal digits it has is: 13
• The sum of 8129837400813's digits is 54
• More coming soon!