1231009812

Names of 1231009812

• Cardinal: 1231009812 can be written as One billion, two hundred thirty-one million, nine thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.231009812 × 10⁹

Factors of 1231009812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1405

Divisors of 1231009812

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 109 162 218 243 324 327 436 486 654 729 972 981 1291 1308 1458 1962 2187 2582 2916 2943 3873 3924 4374 5164 5886 7746 8748 8829 11619 11772 15492 17658 23238 26487 34857 35316 46476 52974 69714 79461 104571 105948 139428 140719 158922 209142 238383 281438 313713 317844 418284 422157 476766 562876 627426 844314 941139 953532 1254852 1266471 1688628 1882278 2532942 2823417 3764556 3799413 5065884 5646834 7598826 11293668 11398239 15197652 22796478 34194717 45592956 68389434 102584151 136778868 205168302 307752453 410336604 615504906 1231009812
• Sum of all divisors σ(n): 3263075200
• Sum of proper divisors (its aliquot sum) s(n): 2032065388
• 1231009812 is an abundant number, because the sum of its proper divisors (2032065388) is greater than itself. Its abundance is 801055576

Bases of 1231009812

• Binary: 1001001010111111011100000010100₂
• Hexadecimal: 0x495FB814
• Base-36: KCWT90

Squares and roots of 1231009812

• 1231009812 squared (1231009812²) is 1515385157240275344
• 1231009812 cubed (1231009812³) is 1865453997521941790045675328
• The square root of 1231009812 is 35085.7494148265
• The cube root of 1231009812 is 1071.7344020205

Scales and comparisons

• 1,231,009,812 seconds is equal to 39 years, 7 weeks, 2 days, 19 hours, 10 minutes, 12 seconds.
• To count from 1 to 1,231,009,812 would take you about seventy-eight 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 1231009812 cubic inches would be around 89.3 feet tall.

Recreational maths with 1231009812

• 1231009812 backwards is 2189001321
• 1231009812 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1231009812's digits is 27
• More coming soon!