12900913440

Names of 12900913440

• Cardinal: 12900913440 can be written as Twelve billion, nine hundred million, nine hundred thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.290091344 × 10¹⁰

Factors of 12900913440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 80

Divisors of 12900913440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 47 48 60 69 80 92 94 96 115 120 138 141 160 184 188 230 235 240 276 282 345 368 376 460 470 480 529 552 564 690 705 736 752 920 940 1058 1081 1104 1128 1380 1410 1504 1587 1840 1880 2116 2162 2208 2209 2256 2645 2760 2820 3174 3243 3680 3760 4232 4324 4418 4512 5290 5405 5520 5640 6348 6486 6627 7520 7935 8464 8648 8836 10580 10810 11040 11045 11280 12167 12696 12972 13254 15870 16215 16928 17296 17672 21160 21620 22090 22560 24334 24863 25392 25944 26508 31740 32430 33135 34592 35344 36501 42320 43240 44180 48668 49726 50784 50807 51888 53016 60835 63480 64860 66270 70688 73002 74589 84640 86480 88360 97336 99452 101614 103776 106032 121670 124315 126960 129720 132540 146004 149178 152421 172960 176720 182505 194672 198904 203228 212064 243340 248630 253920 254035 259440 265080 292008 298356 304842 353440 365010 372945 389344 397808 406456 486680 497260 508070 518880 530160 571849 584016 596712 609684 730020 745890 762105 795616 812912 973360 994520 1016140 1060320 1143698 1168032 1168561 1193424 1219368 1460040 1491780 1524210 1625824 1715547 1946720 1989040 2032280 2287396 2337122 2386848 2438736 2859245 2920080 2983560 3048420 3431094 3505683 3978080 4064560 4574792 4674244 4877472 5718490 5840160 5842805 5967120 6096840 6862188 7011366 8129120 8577735 9149584 9348488 11436980 11685610 11934240 12193680 13724376 14022732 17155470 17528415 18299168 18696976 22873960 23371220 24387360 26876903 27448752 28045464 34310940 35056830 37393952 45747920 46742440 53753806 54897504 56090928 68621880 70113660 80630709 91495840 93484880 107507612 112181856 134384515 137243760 140227320 161261418 186969760 215015224 268769030 274487520 280454640 322522836 403153545 430030448 537538060 560909280 645045672 806307090 860060896 1075076120 1290091344 1612614180 2150152240 2580182688 3225228360 4300304480 6450456720 12900913440
• Sum of all divisors σ(n): 43408068480
• Sum of proper divisors (its aliquot sum) s(n): 30507155040
• 12900913440 is an abundant number, because the sum of its proper divisors (30507155040) is greater than itself. Its abundance is 17606241600

Bases of 12900913440

• Binary: 1100000000111101000101000100100000₂
• Hexadecimal: 0x300F45120
• Base-36: 5XCVCIO

Squares and roots of 12900913440

• 12900913440 squared (12900913440²) is 166433567586372633600
• 12900913440 cubed (12900913440³) is 2147145048942183069658435584000
• The square root of 12900913440 is 113582.1880402029
• The cube root of 12900913440 is 2345.3454536889

Scales and comparisons

• 12,900,913,440 seconds is equal to 410 years, 10 weeks, 6 days, 3 hours, 4 minutes.
• To count from 1 to 12,900,913,440 would take you about eight hundred twenty 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 12900913440 cubic inches would be around 195.4 feet tall.

Recreational maths with 12900913440

• 12900913440 backwards is 04431900921
• The number of decimal digits it has is: 11
• The sum of 12900913440's digits is 33
• More coming soon!