31530039489

Names of 31530039489

• Cardinal: 31530039489 can be written as Thirty-one billion, five hundred thirty million, thirty-nine thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 3.1530039489 × 10¹⁰

Factors of 31530039489

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 202

Divisors of 31530039489

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 13 29 39 87 117 157 169 261 377 471 507 841 1131 1413 1521 2041 2523 3393 4553 4901 6123 7569 10933 13659 14703 18369 24649 26533 32799 40977 44109 59189 73947 79599 98397 132037 142129 177567 221841 238797 320437 396111 426387 532701 714821 769457 961311 1188333 1279161 1716481 2144463 2308371 2883933 4165681 5149443 6433389 6925113 9292673 12497043 15448329 20729809 22314253 27878019 37491129 62189427 66942759 83634057 120804749 186568281 200828277 269487517 362414247 808462551 1087242741 2425387653 3503337721 10510013163 31530039489
• Sum of all divisors σ(n): 51402807963
• Sum of proper divisors (its aliquot sum) s(n): 19872768474
• 31530039489 is a deficient number, because the sum of its proper divisors (19872768474) is less than itself. Its deficiency is 11657271015

Bases of 31530039489

• Binary: 11101010111010101100011100011000001₂
• Hexadecimal: 0x7575638C1
• Base-36: EHG6669

Squares and roots of 31530039489

• 31530039489 squared (31530039489²) is 994143390177899381121
• 31530039489 cubed (31530039489³) is 31345380350037502221813791087169
• 31530039489 is a perfect square number. Its square root is 177567
• The cube root of 31530039489 is 3159.1833963537

Scales and comparisons

• 31,530,039,489 seconds is equal to 1,002 years, 29 weeks, 18 minutes, 9 seconds.
• To count from 1 to 31,530,039,489 would take you about two thousand and five 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 31530039489 cubic inches would be around 263.3 feet tall.

Recreational maths with 31530039489

• 31530039489 backwards is 98493003513
• The number of decimal digits it has is: 11
• The sum of 31530039489's digits is 45
• More coming soon!