138297442640
138,297,442,640 is an even composite number composed of six prime numbers multiplied together.
138297442640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138297442640:
24 × 5 × 7 × 37 × 727 × 9181
(2 × 2 × 2 × 2 × 5 × 7 × 37 × 727 × 9181)See below for interesting mathematical facts about the number 138297442640 from the Numbermatics database.
Names of 138297442640
- Cardinal: 138297442640 can be written as One hundred thirty-eight billion, two hundred ninety-seven million, four hundred forty-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3829744264 × 1011
Factors of 138297442640
Divisors of 138297442640
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 37 40 56 70 74 80 112 140 148 185 259 280 296 370 518 560 592 727 740 1036 1295 1454 1480 2072 2590 2908 2960 3635 4144 5089 5180 5816 7270 9181 10178 10360 11632 14540 18362 20356 20720 25445 26899 29080 36724 40712 45905 50890 53798 58160 64267 73448 81424 91810 101780 107596 128534 134495 146896 183620 188293 203560 215192 257068 268990 321335 339697 367240 376586 407120 430384 514136 537980 642670 679394 734480 753172 941465 1028272 1075960 1285340 1358788 1506344 1698485 1882930 2151920 2377879 2570680 2717576 3012688 3396970 3765860 4755758 5141360 5435152 6674587 6793940 7531720 9511516 11889395 13349174 13587880 15063440 19023032 23778790 26698348 27175760 33372935 38046064 46722109 47557580 53396696 66745870 93444218 95115160 106793392 133491740 186888436 190230320 233610545 246959719 266983480 373776872 467221090 493919438 533966960 747553744 934442180 987838876 1234798595 1728718033 1868884360 1975677752 2469597190 3457436066 3737768720 3951355504 4939194380 6914872132 8643590165 9878388760 13829744264 17287180330 19756777520 27659488528 34574360660 69148721320 138297442640
- Sum of all divisors σ(n): 377968141824
- Sum of proper divisors (its aliquot sum) s(n): 239670699184
- 138297442640 is an abundant number, because the sum of its proper divisors (239670699184) is greater than itself. Its abundance is 101373256544
Bases of 138297442640
- Binary: 100000001100110010101110000001010100002
- Hexadecimal: 0x20332B8150
- Base-36: 1RJ6Q5OW
Squares and roots of 138297442640
- 138297442640 squared (1382974426402) is 19126182640764090169600
- 138297442640 cubed (1382974426403) is 2645102146683235486002043871744000
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The
square root of 138297442640 is 371883.6412643073 -
The
cube root of 138297442640 is 5171.3593398661
Scales and comparisons
How big is 138297442640?- 138,297,442,640 seconds is equal to 4,397 years, 22 weeks, 2 days, 20 hours, 17 minutes, 20 seconds.
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To count from 1 to 138,297,442,640 would take you about eight thousand, seven hundred ninety-four 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 138297442640 cubic inches would be around 430.9 feet tall.
Recreational maths with 138297442640
- 138297442640 backwards is 046244792831
- The number of decimal digits it has is: 12
- The sum of 138297442640's digits is 50
- More coming soon!
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