138836807280
138,836,807,280 is an even composite number composed of six prime numbers multiplied together.
What does the number 138836807280 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 240 divisors.
138836807280 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138836807280:
24 × 32 × 5 × 43 × 257 × 17449
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 43 × 257 × 17449)See below for interesting mathematical facts about the number 138836807280 from the Numbermatics database.
Names of 138836807280
- Cardinal: 138836807280 can be written as One hundred thirty-eight billion, eight hundred thirty-six million, eight hundred seven thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.3883680728 × 1011
Factors of 138836807280
Divisors of 138836807280
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 43 45 48 60 72 80 86 90 120 129 144 172 180 215 240 257 258 344 360 387 430 514 516 645 688 720 771 774 860 1028 1032 1285 1290 1542 1548 1720 1935 2056 2064 2313 2570 2580 3084 3096 3440 3855 3870 4112 4626 5140 5160 6168 6192 7710 7740 9252 10280 10320 11051 11565 12336 15420 15480 17449 18504 20560 22102 23130 30840 30960 33153 34898 37008 44204 46260 52347 55255 61680 66306 69796 87245 88408 92520 99459 104694 110510 132612 139592 157041 165765 174490 176816 185040 198918 209388 221020 261735 265224 279184 314082 331530 348980 397836 418776 442040 497295 523470 530448 628164 663060 697960 750307 785205 795672 837552 884080 994590 1046940 1256328 1326120 1395920 1500614 1570410 1591344 1989180 2093880 2250921 2512656 2652240 3001228 3140820 3751535 3978360 4187760 4484393 4501842 6002456 6281640 6752763 7503070 7956720 8968786 9003684 11254605 12004912 12563280 13453179 13505526 15006140 17937572 18007368 22421965 22509210 26906358 27011052 30012280 33763815 35875144 36014736 40359537 44843930 45018420 53812716 54022104 60024560 67265895 67527630 71750288 80719074 89687860 90036840 107625432 108044208 134531790 135055260 161438148 179375720 180073680 192828899 201797685 215250864 269063580 270110520 322876296 358751440 385657798 403595370 538127160 540221040 578486697 645752592 771315596 807190740 964144495 1076254320 1156973394 1542631192 1614381480 1735460091 1928288990 2313946788 2892433485 3085262384 3228762960 3470920182 3856577980 4627893576 5784866970 6941840364 7713155960 8677300455 9255787152 11569733940 13883680728 15426311920 17354600910 23139467880 27767361456 34709201820 46278935760 69418403640 138836807280
- Sum of all divisors σ(n): 478987423200
- Sum of proper divisors (its aliquot sum) s(n): 340150615920
- 138836807280 is an abundant number, because the sum of its proper divisors (340150615920) is greater than itself. Its abundance is 201313808640
Bases of 138836807280
- Binary: 100000010100110101000110001110011100002
- Hexadecimal: 0x2053518E70
- Base-36: 1RS3UM40
Squares and roots of 138836807280
- 138836807280 squared (1388368072802) is 19275659055703860998400
- 138836807280 cubed (1388368072803) is 2676170961511743734186769188352000
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The
square root of 138836807280 is 372608.1148874779 -
The
cube root of 138836807280 is 5178.0734436551
Scales and comparisons
How big is 138836807280?- 138,836,807,280 seconds is equal to 4,414 years, 30 weeks, 1 day, 11 hours, 48 minutes.
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To count from 1 to 138,836,807,280 would take you about eight thousand, eight hundred twenty-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 138836807280 cubic inches would be around 431.5 feet tall.
Recreational maths with 138836807280
- 138836807280 backwards is 082708638831
- The number of decimal digits it has is: 12
- The sum of 138836807280's digits is 54
- More coming soon!
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