12187438272

Names of 12187438272

• Cardinal: 12187438272 can be written as Twelve billion, one hundred eighty-seven million, four hundred thirty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.2187438272 × 10¹⁰

Factors of 12187438272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 353

Divisors of 12187438272

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 144 164 192 246 288 307 328 369 492 576 614 656 738 921 984 1228 1312 1476 1681 1842 1968 2456 2624 2763 2952 3362 3684 3936 4912 5043 5526 5904 6724 7368 7872 9824 10086 11052 11808 12587 13448 14736 15129 19648 20172 22104 23616 25174 26896 29472 30258 37761 40344 44208 50348 53792 58944 60516 68921 75522 80688 88416 100696 107584 113283 121032 137842 151044 161376 176832 201392 206763 226566 242064 275684 302088 322752 402784 413526 453132 484128 516067 551368 604176 620289 805568 827052 906264 968256 1032134 1102736 1208352 1240578 1548201 1654104 1812528 2064268 2205472 2416704 2481156 3096402 3308208 3625056 4128536 4410944 4644603 4962312 6192804 6616416 7250112 8257072 9289206 9924624 12385608 13232832 16514144 18578412 19849248 21158747 24771216 33028288 37156824 39698496 42317494 49542432 63476241 74313648 84634988 99084864 126952482 148627296 169269976 190428723 253904964 297254592 338539952 380857446 507809928 677079904 761714892 1015619856 1354159808 1523429784 2031239712 3046859568 4062479424 6093719136 12187438272
• Sum of all divisors σ(n): 35923039152
• Sum of proper divisors (its aliquot sum) s(n): 23735600880
• 12187438272 is an abundant number, because the sum of its proper divisors (23735600880) is greater than itself. Its abundance is 11548162608

Bases of 12187438272

• Binary: 1011010110011011011000110011000000₂
• Hexadecimal: 0x2D66D8CC0
• Base-36: 5LK33K0

Squares and roots of 12187438272

• 12187438272 squared (12187438272²) is 148533651633810345984
• 12187438272 cubed (12187438272³) is 1810244710601815539834963099648
• The square root of 12187438272 is 110396.7312559571
• The cube root of 12187438272 is 2301.2871353823

Scales and comparisons

• 12,187,438,272 seconds is equal to 387 years, 27 weeks, 1 day, 7 hours, 31 minutes, 12 seconds.
• To count from 1 to 12,187,438,272 would take you about seven hundred seventy-five 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 12187438272 cubic inches would be around 191.8 feet tall.

Recreational maths with 12187438272

• 12187438272 backwards is 27283478121
• The number of decimal digits it has is: 11
• The sum of 12187438272's digits is 45
• More coming soon!