1138807620

Names of 1138807620

• Cardinal: 1138807620 can be written as One billion, one hundred thirty-eight million, eight hundred seven thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.13880762 × 10⁹

Factors of 1138807620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3034

Divisors of 1138807620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 1091 1933 2182 3273 3866 4364 5455 5799 6546 7732 9665 9819 10910 11598 13092 16365 17397 19330 19638 21820 23196 28995 29457 32730 34794 38660 39276 49095 52191 57990 58914 65460 69588 86985 98190 104382 115980 117828 147285 173970 196380 208764 260955 294570 347940 521910 589140 1043820 2108903 4217806 6326709 8435612 10544515 12653418 18980127 21089030 25306836 31633545 37960254 42178060 56940381 63267090 75920508 94900635 113880762 126534180 189801270 227761524 284701905 379602540 569403810 1138807620
• Sum of all divisors σ(n): 3548039040
• Sum of proper divisors (its aliquot sum) s(n): 2409231420
• 1138807620 is an abundant number, because the sum of its proper divisors (2409231420) is greater than itself. Its abundance is 1270423800

Bases of 1138807620

• Binary: 1000011111000001101001101000100₂
• Hexadecimal: 0x43E0D344
• Base-36: IU0LL0

Squares and roots of 1138807620

• 1138807620 squared (1138807620²) is 1296882795370064400
• 1138807620 cubed (1138807620³) is 1476900009614330058610728000
• The square root of 1138807620 is 33746.2237887441
• The cube root of 1138807620 is 1044.2795855767

Scales and comparisons

• 1,138,807,620 seconds is equal to 36 years, 10 weeks, 6 days, 15 hours, 27 minutes.
• To count from 1 to 1,138,807,620 would take you about seventy-two 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 1138807620 cubic inches would be around 87 feet tall.

Recreational maths with 1138807620

• 1138807620 backwards is 0267088311
• 1138807620 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1138807620's digits is 36
• More coming soon!