1138609980

Names of 1138609980

• Cardinal: 1138609980 can be written as One billion, one hundred thirty-eight million, six hundred nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.13860998 × 10⁹

Factors of 1138609980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3892

Divisors of 1138609980

• 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 90 108 135 180 270 540 653 1306 1959 2612 3229 3265 3918 5877 6458 6530 7836 9687 9795 11754 12916 13060 16145 17631 19374 19590 23508 29061 29385 32290 35262 38748 39180 48435 58122 58770 64580 70524 87183 88155 96870 116244 117540 145305 174366 176310 193740 290610 348732 352620 435915 581220 871830 1743660 2108537 4217074 6325611 8434148 10542685 12651222 18976833 21085370 25302444 31628055 37953666 42170740 56930499 63256110 75907332 94884165 113860998 126512220 189768330 227721996 284652495 379536660 569304990 1138609980
• Sum of all divisors σ(n): 3548865600
• Sum of proper divisors (its aliquot sum) s(n): 2410255620
• 1138609980 is an abundant number, because the sum of its proper divisors (2410255620) is greater than itself. Its abundance is 1271645640

Bases of 1138609980

• Binary: 1000011110111011100111100111100₂
• Hexadecimal: 0x43DDCF3C
• Base-36: ITWD30

Squares and roots of 1138609980

• 1138609980 squared (1138609980²) is 1296432686555600400
• 1138609980 cubed (1138609980³) is 1476131195310418440331992000
• The square root of 1138609980 is 33743.2953340363
• The cube root of 1138609980 is 1044.2191705267

Scales and comparisons

• 1,138,609,980 seconds is equal to 36 years, 10 weeks, 4 days, 8 hours, 33 minutes.
• To count from 1 to 1,138,609,980 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 1138609980 cubic inches would be around 87 feet tall.

Recreational maths with 1138609980

• 1138609980 backwards is 0899068311
• 1138609980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1138609980's digits is 45
• More coming soon!