12915505920

Names of 12915505920

• Cardinal: 12915505920 can be written as Twelve billion, nine hundred fifteen million, five hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.291550592 × 10¹⁰

Factors of 12915505920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 701

Divisors of 12915505920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 59 60 64 80 96 109 118 120 128 160 177 192 218 236 240 256 295 320 327 354 384 436 472 480 523 545 590 640 654 708 768 872 885 944 960 1046 1090 1180 1280 1308 1416 1569 1635 1744 1770 1888 1920 2092 2180 2360 2615 2616 2832 3138 3270 3488 3540 3776 3840 4184 4360 4720 5230 5232 5664 6276 6431 6540 6976 7080 7552 7845 8368 8720 9440 10460 10464 11328 12552 12862 13080 13952 14160 15104 15690 16736 17440 18880 19293 20920 20928 22656 25104 25724 26160 27904 28320 30857 31380 32155 33472 34880 37760 38586 41840 41856 45312 50208 51448 52320 56640 57007 61714 62760 64310 66944 69760 75520 77172 83680 83712 92571 96465 100416 102896 104640 113280 114014 123428 125520 128620 133888 139520 154285 154344 167360 171021 185142 192930 200832 205792 209280 226560 228028 246856 251040 257240 285035 308570 308688 334720 342042 370284 385860 401664 411584 418560 456056 462855 493712 502080 514480 570070 617140 617376 669440 684084 740568 771720 823168 855105 912112 925710 987424 1004160 1028960 1140140 1234280 1234752 1368168 1481136 1543440 1646336 1710210 1824224 1851420 1974848 2008320 2057920 2280280 2468560 2469504 2736336 2962272 3086880 3363413 3420420 3648448 3702840 3949696 4115840 4560560 4937120 4939008 5472672 5924544 6173760 6726826 6840840 7296896 7405680 7899392 8231680 9121120 9874240 10090239 10945344 11849088 12347520 13453652 13681680 14593792 14811360 16817065 18242240 19748480 20180478 21890688 23698176 24695040 26907304 27363360 29622720 33634130 36484480 39496960 40360956 43781376 50451195 53814608 54726720 59245440 67268260 72968960 80721912 100902390 107629216 109453440 118490880 134536520 161443824 201804780 215258432 218906880 269073040 322887648 403609560 430516864 538146080 645775296 807219120 861033728 1076292160 1291550592 1614438240 2152584320 2583101184 3228876480 4305168640 6457752960 12915505920
• Sum of all divisors σ(n): 42413817600
• Sum of proper divisors (its aliquot sum) s(n): 29498311680
• 12915505920 is an abundant number, because the sum of its proper divisors (29498311680) is greater than itself. Its abundance is 16582805760

Bases of 12915505920

• Binary: 1100000001110100101111101100000000₂
• Hexadecimal: 0x301D2FB00
• Base-36: 5XLK45C

Squares and roots of 12915505920

• 12915505920 squared (12915505920²) is 166810293169555046400
• 12915505920 cubed (12915505920³) is 2154439328948323765545074688000
• The square root of 12915505920 is 113646.4074223203
• The cube root of 12915505920 is 2346.2294094625

Scales and comparisons

• 12,915,505,920 seconds is equal to 410 years, 35 weeks, 32 minutes.
• To count from 1 to 12,915,505,920 would take you about eight hundred twenty-one 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 12915505920 cubic inches would be around 195.5 feet tall.

Recreational maths with 12915505920

• 12915505920 backwards is 02950551921
• The number of decimal digits it has is: 11
• The sum of 12915505920's digits is 39
• More coming soon!