138375968768
138,375,968,768 is an even composite number composed of four prime numbers multiplied together.
138375968768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138375968768:
211 × 31 × 732 × 409
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 73 × 73 × 409)See below for interesting mathematical facts about the number 138375968768 from the Numbermatics database.
Names of 138375968768
- Cardinal: 138375968768 can be written as One hundred thirty-eight billion, three hundred seventy-five million, nine hundred sixty-eight thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38375968768 × 1011
Factors of 138375968768
Divisors of 138375968768
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 8 16 31 32 62 64 73 124 128 146 248 256 292 409 496 512 584 818 992 1024 1168 1636 1984 2048 2263 2336 3272 3968 4526 4672 5329 6544 7936 9052 9344 10658 12679 13088 15872 18104 18688 21316 25358 26176 29857 31744 36208 37376 42632 50716 52352 59714 63488 72416 74752 85264 101432 104704 119428 144832 149504 165199 170528 202864 209408 238856 289664 330398 341056 405728 418816 477712 579328 660796 682112 811456 837632 925567 955424 1158656 1321592 1364224 1622912 1851134 1910848 2179561 2317312 2643184 2728448 3245824 3702268 3821696 4359122 4634624 5286368 5456896 6491648 7404536 7643392 8718244 10572736 10913792 12983296 14809072 15286784 17436488 21145472 25966592 29618144 30573568 34872976 42290944 59236288 61147136 67566391 69745952 84581888 118472576 135132782 139491904 169163776 236945152 270265564 278983808 338327552 473890304 540531128 557967616 947780608 1081062256 1115935232 1895561216 2162124512 2231870464 4324249024 4463740928 8648498048 17296996096 34593992192 69187984384 138375968768
- Sum of all divisors σ(n): 290283739200
- Sum of proper divisors (its aliquot sum) s(n): 151907770432
- 138375968768 is an abundant number, because the sum of its proper divisors (151907770432) is greater than itself. Its abundance is 13531801664
Bases of 138375968768
- Binary: 100000001101111101100110111000000000002
- Hexadecimal: 0x2037D9B800
- Base-36: 1RKHH8U8
Squares and roots of 138375968768
- 138375968768 squared (1383759687682) is 19147908732482511437824
- 138375968768 cubed (1383759687683) is 2649610420738514469826536597880832
-
The
square root of 138375968768 is 371989.2051767093 -
The
cube root of 138375968768 is 5172.3379310881
Scales and comparisons
How big is 138375968768?- 138,375,968,768 seconds is equal to 4,399 years, 48 weeks, 1 day, 17 hours, 6 minutes, 8 seconds.
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To count from 1 to 138,375,968,768 would take you about eight thousand, seven hundred ninety-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 138375968768 cubic inches would be around 431 feet tall.
Recreational maths with 138375968768
- 138375968768 backwards is 867869573831
- The number of decimal digits it has is: 12
- The sum of 138375968768's digits is 71
- More coming soon!
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