12638479840
12,638,479,840 is an even composite number composed of five prime numbers multiplied together.
What does the number 12638479840 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 240 divisors.
12638479840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 12638479840:
25 × 5 × 74 × 167 × 197
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 7 × 167 × 197)See below for interesting mathematical facts about the number 12638479840 from the Numbermatics database.
Names of 12638479840
- Cardinal: 12638479840 can be written as Twelve billion, six hundred thirty-eight million, four hundred seventy-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.263847984 × 1010
Factors of 12638479840
Divisors of 12638479840
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 167 196 197 224 245 280 334 343 392 394 490 560 668 686 784 788 835 980 985 1120 1169 1336 1372 1379 1568 1576 1670 1715 1960 1970 2338 2401 2672 2744 2758 3152 3340 3430 3920 3940 4676 4802 5344 5488 5516 5845 6304 6680 6860 6895 7840 7880 8183 9352 9604 9653 10976 11032 11690 12005 13360 13720 13790 15760 16366 18704 19208 19306 22064 23380 24010 26720 27440 27580 31520 32732 32899 37408 38416 38612 40915 44128 46760 48020 48265 54880 55160 57281 65464 65798 67571 76832 77224 81830 93520 96040 96530 110320 114562 130928 131596 135142 154448 163660 164495 187040 192080 193060 220640 229124 230293 261856 263192 270284 286405 308896 327320 328990 337855 384160 386120 400967 458248 460586 472997 526384 540568 572810 654640 657980 675710 772240 801934 916496 921172 945994 1052768 1081136 1145620 1151465 1309280 1315960 1351420 1544480 1603868 1612051 1832992 1842344 1891988 2004835 2162272 2291240 2302930 2364985 2631920 2702840 3207736 3224102 3684688 3783976 4009670 4582480 4605860 4729970 5263840 5405680 6415472 6448204 7369376 7567952 8019340 8060255 9164960 9211720 9459940 10811360 11284357 12830944 12896408 15135904 16038680 16120510 18423440 18919880 22568714 25792816 32077360 32241020 36846880 37839760 45137428 51585632 56421785 64154720 64482040 75679520 78990499 90274856 112843570 128964080 157980998 180549712 225687140 257928160 315961996 361099424 394952495 451374280 631923992 789904990 902748560 1263847984 1579809980 1805497120 2527695968 3159619960 6319239920 12638479840
- Sum of all divisors σ(n): 35219191392
- Sum of proper divisors (its aliquot sum) s(n): 22580711552
- 12638479840 is an abundant number, because the sum of its proper divisors (22580711552) is greater than itself. Its abundance is 9942231712
Bases of 12638479840
- Binary: 10111100010100111111100101111000002
- Hexadecimal: 0x2F14FE5E0
- Base-36: 5T0MHGG
Squares and roots of 12638479840
- 12638479840 squared (126384798402) is 159731172666086425600
- 12638479840 cubed (126384798403) is 2018759205559892341643259904000
-
The
square root of 12638479840 is 112420.9937689575 -
The
cube root of 12638479840 is 2329.3331818119
Scales and comparisons
How big is 12638479840?- 12,638,479,840 seconds is equal to 401 years, 44 weeks, 6 days, 16 hours, 50 minutes, 40 seconds.
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To count from 1 to 12,638,479,840 would take you about eight hundred three 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 12638479840 cubic inches would be around 194.1 feet tall.
Recreational maths with 12638479840
- 12638479840 backwards is 04897483621
- The number of decimal digits it has is: 11
- The sum of 12638479840's digits is 52
- More coming soon!
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