12724868640

Names of 12724868640

• Cardinal: 12724868640 can be written as Twelve billion, seven hundred twenty-four million, eight hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.272486864 × 10¹⁰

Factors of 12724868640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4275

Divisors of 12724868640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 673 880 1056 1320 1346 1760 2019 2640 2692 3365 3581 4038 5280 5384 6730 7162 7403 8076 10095 10743 10768 13460 14324 14806 16152 17905 20190 21486 21536 22209 26920 28648 29612 32304 35810 37015 39391 40380 42972 44418 53715 53840 57296 59224 64608 71620 74030 78782 80760 85944 88836 107430 107680 111045 114592 118173 118448 143240 148060 157564 161520 171888 177672 196955 214860 222090 236346 236896 286480 296120 315128 323040 343776 355344 393910 429720 444180 472692 572960 590865 592240 630256 710688 787820 859440 888360 945384 1181730 1184480 1260512 1575640 1718880 1776720 1890768 2363460 2410013 3151280 3553440 3781536 4726920 4820026 6302560 7230039 9453840 9640052 12050065 14460078 18907680 19280104 24100130 26510143 28920156 36150195 38560208 48200260 53020286 57840312 72300390 77120416 79530429 96400520 106040572 115680624 132550715 144600780 159060858 192801040 212081144 231361248 265101430 289201560 318121716 385602080 397652145 424162288 530202860 578403120 636243432 795304290 848324576 1060405720 1156806240 1272486864 1590608580 2120811440 2544973728 3181217160 4241622880 6362434320 12724868640
• Sum of all divisors σ(n): 43804478592
• Sum of proper divisors (its aliquot sum) s(n): 31079609952
• 12724868640 is an abundant number, because the sum of its proper divisors (31079609952) is greater than itself. Its abundance is 18354741312

Bases of 12724868640

• Binary: 1011110110011101100001011000100000₂
• Hexadecimal: 0x2F6761620
• Base-36: 5UG23HC

Squares and roots of 12724868640

• 12724868640 squared (12724868640²) is 161922281905255449600
• 12724868640 cubed (12724868640³) is 2060439767133424521804140544000
• The square root of 12724868640 is 112804.5594823187
• The cube root of 12724868640 is 2334.6284267977

Scales and comparisons

• 12,724,868,640 seconds is equal to 404 years, 31 weeks, 5 days, 13 hours, 44 minutes.
• To count from 1 to 12,724,868,640 would take you about eight hundred nine 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 12724868640 cubic inches would be around 194.6 feet tall.

Recreational maths with 12724868640

• 12724868640 backwards is 04686842721
• 12724868640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12724868640's digits is 48
• More coming soon!