31438481844

Names of 31438481844

• Cardinal: 31438481844 can be written as Thirty-one billion, four hundred thirty-eight million, four hundred eighty-one thousand, eight hundred forty-four.

Scientific notation

• Scientific notation: 3.1438481844 × 10¹⁰

Factors of 31438481844

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3093144

Divisors of 31438481844

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 121 132 154 231 242 308 363 462 484 726 847 924 1452 1694 2541 3388 5082 10164 3093121 6186242 9279363 12372484 18558726 21651847 34024331 37117452 43303694 64955541 68048662 86607388 102072993 129911082 136097324 204145986 238170317 259822164 374267641 408291972 476340634 714510951 748535282 952681268 1122802923 1429021902 1497070564 2245605846 2619873487 2858043804 4491211692 5239746974 7859620461 10479493948 15719240922 31438481844
• Sum of all divisors σ(n): 92150290624
• Sum of proper divisors (its aliquot sum) s(n): 60711808780
• 31438481844 is an abundant number, because the sum of its proper divisors (60711808780) is greater than itself. Its abundance is 29273326936

Bases of 31438481844

• Binary: 11101010001111000010010100110110100₂
• Hexadecimal: 0x751E129B4
• Base-36: EFXNRUC

Squares and roots of 31438481844

• 31438481844 squared (31438481844²) is 988378140655517640336
• 31438481844 cubed (31438481844³) is 31073108230004969594125058059584
• The square root of 31438481844 is 177309.0010236367
• The cube root of 31438481844 is 3156.1225288603

Scales and comparisons

• 31,438,481,844 seconds is equal to 999 years, 33 weeks, 4 days, 7 hours, 37 minutes, 24 seconds.
• To count from 1 to 31,438,481,844 would take you about one thousand, nine hundred ninety-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 31438481844 cubic inches would be around 263 feet tall.

Recreational maths with 31438481844

• 31438481844 backwards is 44818483413
• The number of decimal digits it has is: 11
• The sum of 31438481844's digits is 48
• More coming soon!