1240847972

Names of 1240847972

• Cardinal: 1240847972 can be written as One billion, two hundred forty million, eight hundred forty-seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.240847972 × 10⁹

Factors of 1240847972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 112

Divisors of 1240847972

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 38 49 52 71 76 91 98 133 142 182 196 247 266 284 361 364 494 497 532 637 722 923 931 988 994 1274 1349 1444 1729 1846 1862 1988 2527 2548 2698 3458 3479 3692 3724 4693 5054 5396 6461 6859 6916 6958 9386 9443 10108 12103 12922 13718 13916 17537 17689 18772 18886 24206 25631 25844 27436 32851 35074 35378 37772 45227 48013 48412 51262 65702 66101 70148 70756 89167 90454 96026 102524 122759 131404 132202 178334 179417 180908 192052 229957 245518 264404 333203 336091 356668 358834 459914 486989 491036 624169 666406 672182 717668 859313 919828 973978 1248338 1255919 1332812 1344364 1718626 1947956 2332421 2496676 2511838 3408923 3437252 4369183 4664842 5023676 6330857 6817846 8738366 9329684 12661714 13635692 16326947 17476732 23862461 25323428 32653894 44315999 47724922 65307788 88631998 95449844 177263996 310211993 620423986 1240847972
• Sum of all divisors σ(n): 2911870080
• Sum of proper divisors (its aliquot sum) s(n): 1671022108
• 1240847972 is an abundant number, because the sum of its proper divisors (1671022108) is greater than itself. Its abundance is 430174136

Bases of 1240847972

• Binary: 1001001111101011101011001100100₂
• Hexadecimal: 0x49F5D664
• Base-36: KIROF8

Squares and roots of 1240847972

• 1240847972 squared (1240847972²) is 1539703689616512784
• 1240847972 cubed (1240847972³) is 1910538200741567345738474048
• The square root of 1240847972 is 35225.6720588835
• The cube root of 1240847972 is 1074.5819097445

Scales and comparisons

• 1,240,847,972 seconds is equal to 39 years, 23 weeks, 4 days, 15 hours, 59 minutes, 32 seconds.
• To count from 1 to 1,240,847,972 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 1240847972 cubic inches would be around 89.5 feet tall.

Recreational maths with 1240847972

• 1240847972 backwards is 2797480421
• The number of decimal digits it has is: 10
• The sum of 1240847972's digits is 44
• More coming soon!