12721342608

Names of 12721342608

• Cardinal: 12721342608 can be written as Twelve billion, seven hundred twenty-one million, three hundred forty-two thousand, six hundred eight.

Scientific notation

• Scientific notation: 1.2721342608 × 10¹⁰

Factors of 12721342608

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1013

Divisors of 12721342608

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 47 48 52 72 78 94 104 117 141 144 156 188 191 208 234 282 312 376 382 423 468 564 573 611 624 752 757 764 846 936 1128 1146 1222 1514 1528 1692 1719 1833 1872 2256 2271 2292 2444 2483 3028 3056 3384 3438 3666 4542 4584 4888 4966 5499 6056 6768 6813 6876 7332 7449 8977 9084 9168 9776 9841 9932 10998 12112 13626 13752 14664 14898 17954 18168 19682 19864 21996 22347 26931 27252 27504 29328 29523 29796 35579 35908 36336 39364 39728 43992 44694 53862 54504 59046 59592 71158 71816 78728 80793 87984 88569 89388 106737 107724 109008 116701 118092 119184 142316 143632 144587 157456 161586 177138 178776 213474 215448 233402 236184 284632 289174 320211 323172 350103 354276 357552 426948 430896 433761 462527 466804 472368 569264 578348 640422 646344 700206 708552 853896 867522 925054 933608 1050309 1156696 1280844 1292688 1301283 1387581 1400412 1417104 1707792 1735044 1850108 1867216 1879631 2100618 2313392 2561688 2602566 2775162 2800824 3470088 3700216 3759262 4162743 4201236 5123376 5205132 5550324 5601648 5638893 6795589 6940176 7400432 7518524 8325486 8402472 10410264 11100648 11277786 13591178 15037048 16650972 16804944 16916679 20386767 20820528 22201296 22555572 27182356 30074096 33301944 33833358 40773534 45111144 54364712 61160301 66603888 67666716 81547068 88342657 90222288 108729424 122320602 135333432 163094136 176685314 244641204 265027971 270666864 326188272 353370628 489282408 530055942 706741256 795083913 978564816 1060111884 1413482512 1590167826 2120223768 3180335652 4240447536 6360671304 12721342608
• Sum of all divisors σ(n): 39413477376
• Sum of proper divisors (its aliquot sum) s(n): 26692134768
• 12721342608 is an abundant number, because the sum of its proper divisors (26692134768) is greater than itself. Its abundance is 13970792160

Bases of 12721342608

• Binary: 1011110110010000000100100010010000₂
• Hexadecimal: 0x2F6404890
• Base-36: 5UDYIS0

Squares and roots of 12721342608

• 12721342608 squared (12721342608²) is 161832557750116241664
• 12721342608 cubed (12721342608³) is 2058727412268174362033068019712
• The square root of 12721342608 is 112788.9294567513
• The cube root of 12721342608 is 2334.4127668111

Scales and comparisons

• 12,721,342,608 seconds is equal to 404 years, 25 weeks, 6 days, 18 hours, 16 minutes, 48 seconds.
• To count from 1 to 12,721,342,608 would take you about eight hundred 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 12721342608 cubic inches would be around 194.5 feet tall.

Recreational maths with 12721342608

• 12721342608 backwards is 80624312721
• 12721342608 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12721342608's digits is 36
• More coming soon!