125729492889

Names of 125729492889

• Cardinal: 125729492889 can be written as One hundred twenty-five billion, seven hundred twenty-nine million, four hundred ninety-two thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.25729492889 × 10¹¹

Factors of 125729492889

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17531

Divisors of 125729492889

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 13 19 21 33 39 57 77 91 127 133 143 209 231 247 273 381 399 429 627 741 889 1001 1397 1463 1651 1729 2413 2667 2717 3003 4191 4389 4953 5187 7239 8151 9779 11557 16891 17351 18161 19019 26543 29337 31369 34671 50673 52053 54483 57057 79629 94107 121457 127127 185801 190861 219583 225563 329669 345059 364371 381381 557403 572583 658749 676689 989007 1035177 1336027 1578941 2203577 2307683 2415413 2481193 3626359 4008081 4285697 4736823 6610731 6923049 7246239 7443579 10879077 12857091 15425039 17368351 24239347 25384513 28646501 29999879 41867963 46275117 47142667 52105053 72718041 76153539 85939503 89999637 125603889 141428001 169675429 200525507 293075741 315111511 329998669 460547593 509026287 544283519 601576521 879227223 945334533 989996007 1381642779 1632850557 2205780577 3223833151 3809984633 5987118709 6617341731 9671499453 11429953899 17961356127 41909830963 125729492889
• Sum of all divisors σ(n): 238807941120
• Sum of proper divisors (its aliquot sum) s(n): 113078448231
• 125729492889 is a deficient number, because the sum of its proper divisors (113078448231) is less than itself. Its deficiency is 12651044658

Bases of 125729492889

• Binary: 1110101000110000011111100111110011001₂
• Hexadecimal: 0x1D460FCF99
• Base-36: 1LRC3DLL

Squares and roots of 125729492889

• 125729492889 squared (125729492889²) is 15807905382125101566321
• 125729492889 cubed (125729492889³) is 1987519927331882785091158931391369
• The square root of 125729492889 is 354583.5485312313
• The cube root of 125729492889 is 5009.7077117219

Scales and comparisons

• 125,729,492,889 seconds is equal to 3,997 years, 42 weeks, 11 hours, 8 minutes, 9 seconds.
• To count from 1 to 125,729,492,889 would take you about seven thousand, nine hundred ninety-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 125729492889 cubic inches would be around 417.5 feet tall.

Recreational maths with 125729492889

• 125729492889 backwards is 988294927521
• The number of decimal digits it has is: 12
• The sum of 125729492889's digits is 66
• More coming soon!