138931968
138,931,968 is an even composite number composed of five prime numbers multiplied together.
138931968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138931968:
28 × 3 × 7 × 43 × 601
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 43 × 601)See below for interesting mathematical facts about the number 138931968 from the Numbermatics database.
Names of 138931968
- Cardinal: 138931968 can be written as One hundred thirty-eight million, nine hundred thirty-one thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38931968 × 108
Factors of 138931968
Divisors of 138931968
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 56 64 84 86 96 112 128 129 168 172 192 224 256 258 301 336 344 384 448 516 601 602 672 688 768 896 903 1032 1202 1204 1344 1376 1792 1803 1806 2064 2404 2408 2688 2752 3606 3612 4128 4207 4808 4816 5376 5504 7212 7224 8256 8414 9616 9632 11008 12621 14424 14448 16512 16828 19232 19264 25242 25843 28848 28896 33024 33656 38464 38528 50484 51686 57696 57792 67312 76928 77056 77529 100968 103372 115392 115584 134624 153856 155058 180901 201936 206744 230784 231168 269248 310116 361802 403872 413488 461568 538496 542703 620232 723604 807744 826976 1076992 1085406 1240464 1447208 1615488 1653952 2170812 2480928 2894416 3230976 3307904 4341624 4961856 5788832 6615808 8683248 9923712 11577664 17366496 19847424 23155328 34732992 46310656 69465984 138931968
- Sum of all divisors σ(n): 433131776
- Sum of proper divisors (its aliquot sum) s(n): 294199808
- 138931968 is an abundant number, because the sum of its proper divisors (294199808) is greater than itself. Its abundance is 155267840
Bases of 138931968
- Binary: 10000100011111101111000000002
- Hexadecimal: 0x847EF00
- Base-36: 2APSLC
Squares and roots of 138931968
- 138931968 squared (1389319682) is 19302091732353024
- 138931968 cubed (1389319683) is 2681677590892334895071232
-
The
square root of 138931968 is 11786.9405699699 -
The
cube root of 138931968 is 517.9256215165
Scales and comparisons
How big is 138931968?- 138,931,968 seconds is equal to 4 years, 21 weeks, 5 days, 12 minutes, 48 seconds.
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To count from 1 to 138,931,968 would take you about six 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 138931968 cubic inches would be around 43.2 feet tall.
Recreational maths with 138931968
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"Number 138931968 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
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Numbermatics. (2024). Number 138931968 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/138931968/
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The information we have on file for 138931968 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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