40439389928

Names of 40439389928

• Cardinal: 40439389928 can be written as Forty billion, four hundred thirty-nine million, three hundred eighty-nine thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0439389928 × 10¹⁰

Factors of 40439389928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 76

Divisors of 40439389928

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 67 98 134 196 268 343 392 469 536 686 938 1372 1876 2401 2744 3283 3752 4489 4802 6566 8978 9604 13132 16807 17956 19208 22981 26264 31423 33614 35912 45962 62846 67228 91924 125692 134456 160867 183848 219961 251384 300763 321734 439922 601526 643468 879844 1126069 1203052 1286936 1539727 1759688 2105341 2252138 2406104 3079454 4210682 4504276 6158908 8421364 9008552 10778089 12317816 14737387 16842728 21556178 29474774 43112356 58949548 75446623 86224712 103161709 117899096 150893246 206323418 301786492 412646836 603572984 722131963 825293672 1444263926 2888527852 5054923741 5777055704 10109847482 20219694964 40439389928
• Sum of all divisors σ(n): 89800718400
• Sum of proper divisors (its aliquot sum) s(n): 49361328472
• 40439389928 is an abundant number, because the sum of its proper divisors (49361328472) is greater than itself. Its abundance is 8921938544

Bases of 40439389928

• Binary: 100101101010011000000001111011101000₂
• Hexadecimal: 0x96A601EE8
• Base-36: IKSKGYW

Squares and roots of 40439389928

• 40439389928 squared (40439389928²) is 1635344257748827845184
• 40439389928 cubed (40439389928³) is 66132324105620584716339792906752
• The square root of 40439389928 is 201095.4746581831
• The cube root of 40439389928 is 3432.4287560015

Scales and comparisons

• 40,439,389,928 seconds is equal to 1,285 years, 44 weeks, 11 hours, 52 minutes, 8 seconds.
• To count from 1 to 40,439,389,928 would take you about two thousand, five hundred seventy-one 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 40439389928 cubic inches would be around 286 feet tall.

Recreational maths with 40439389928

• 40439389928 backwards is 82998393404
• The number of decimal digits it has is: 11
• The sum of 40439389928's digits is 59
• More coming soon!