12812390272

Names of 12812390272

• Cardinal: 12812390272 can be written as Twelve billion, eight hundred twelve million, three hundred ninety thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.2812390272 × 10¹⁰

Factors of 12812390272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 618

Divisors of 12812390272

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 16 17 22 31 32 34 44 62 64 68 88 124 128 136 176 187 248 272 341 352 374 496 527 544 557 682 704 748 961 992 1054 1088 1114 1364 1408 1496 1922 1984 2108 2176 2228 2728 2992 3844 3968 4216 4456 5456 5797 5984 6127 7688 8432 8912 9469 10571 10912 11594 11968 12254 15376 16337 16864 17267 17824 18938 21142 21824 23188 23936 24508 30752 32674 33728 34534 35648 37876 42284 43648 46376 49016 61504 65348 67456 69068 71296 75752 84568 92752 98032 104159 123008 130696 138136 151504 169136 179707 185504 189937 196064 208318 261392 276272 293539 303008 338272 359414 371008 379874 392128 416636 522784 535277 552544 587078 606016 676544 718828 742016 759748 784256 833272 1045568 1070554 1105088 1174156 1212032 1353088 1437656 1519496 1666544 2091136 2141108 2210176 2348312 2875312 3038992 3228929 3333088 4282216 4696624 5750624 5888047 6077984 6457858 6666176 8564432 9099709 9393248 11501248 11776094 12155968 12915716 13332352 17128864 18199418 18786496 23002496 23552188 24311936 25831432 34257728 36398836 37572992 47104376 51662864 68515456 72797672 94208752 100096799 103325728 145595344 188417504 200193598 206651456 291190688 376835008 400387196 413302912 582381376 753670016 800774392 1164762752 1601548784 3203097568 6406195136 12812390272
• Sum of all divisors σ(n): 30519497520
• Sum of proper divisors (its aliquot sum) s(n): 17707107248
• 12812390272 is an abundant number, because the sum of its proper divisors (17707107248) is greater than itself. Its abundance is 4894716976

Bases of 12812390272

• Binary: 1011111011101011011000111110000000₂
• Hexadecimal: 0x2FBAD8F80
• Base-36: 5VW5ZLS

Squares and roots of 12812390272

• 12812390272 squared (12812390272²) is 164157344482040233984
• 12812390272 cubed (12812390272³) is 2103247963519045172609205403648
• The square root of 12812390272 is 113191.8295284603
• The cube root of 12812390272 is 2339.9687258099

Scales and comparisons

• 12,812,390,272 seconds is equal to 407 years, 20 weeks, 3 days, 13 hours, 17 minutes, 52 seconds.
• To count from 1 to 12,812,390,272 would take you about eight hundred fourteen 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 12812390272 cubic inches would be around 195 feet tall.

Recreational maths with 12812390272

• 12812390272 backwards is 27209321821
• The number of decimal digits it has is: 11
• The sum of 12812390272's digits is 37
• More coming soon!