12687929464

Names of 12687929464

• Cardinal: 12687929464 can be written as Twelve billion, six hundred eighty-seven million, nine hundred twenty-nine thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.2687929464 × 10¹⁰

Factors of 12687929464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2820

Divisors of 12687929464

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 17 28 34 49 56 68 98 101 119 136 196 202 238 343 392 404 476 686 707 808 833 952 1372 1414 1666 1717 2693 2744 2828 3332 3434 4949 5386 5656 5831 6664 6868 9898 10772 11662 12019 13736 18851 19796 21544 23324 24038 34643 37702 39592 45781 46648 48076 69286 75404 84133 91562 96152 131957 138572 150808 168266 183124 263914 271993 277144 320467 336532 366248 527828 543986 588931 640934 673064 923699 1055656 1087972 1177862 1281868 1847398 1903951 2175944 2243269 2355724 2563736 3694796 3807902 4486538 4623881 4711448 7389592 7615804 8973076 9247762 13327657 15231608 15702883 17946152 18495524 26655314 31405766 32367167 36991048 53310628 62811532 64734334 93293599 106621256 125623064 129468668 186587198 226570169 258937336 373174396 453140338 746348792 906280676 1585991183 1812561352 3171982366 6343964732 12687929464
• Sum of all divisors σ(n): 29677104000
• Sum of proper divisors (its aliquot sum) s(n): 16989174536
• 12687929464 is an abundant number, because the sum of its proper divisors (16989174536) is greater than itself. Its abundance is 4301245072

Bases of 12687929464

• Binary: 1011110100010000100111000001111000₂
• Hexadecimal: 0x2F4427078
• Base-36: 5TU2D14

Squares and roots of 12687929464

• 12687929464 squared (12687929464²) is 160983554083439327296
• 12687929464 cubed (12687929464³) is 2042547979074707355255257849344
• The square root of 12687929464 is 112640.7096213443
• The cube root of 12687929464 is 2332.3671635459

Scales and comparisons

• 12,687,929,464 seconds is equal to 403 years, 22 weeks, 5 days, 51 minutes, 4 seconds.
• To count from 1 to 12,687,929,464 would take you about eight hundred six 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 12687929464 cubic inches would be around 194.4 feet tall.

Recreational maths with 12687929464

• 12687929464 backwards is 46492978621
• The number of decimal digits it has is: 11
• The sum of 12687929464's digits is 58
• More coming soon!