138772992
138,772,992 is an even composite number composed of four prime numbers multiplied together.
138772992 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138772992:
29 × 3 × 167 × 541
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 167 × 541)See below for interesting mathematical facts about the number 138772992 from the Numbermatics database.
Names of 138772992
- Cardinal: 138772992 can be written as One hundred thirty-eight million, seven hundred seventy-two thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 1.38772992 × 108
Factors of 138772992
Divisors of 138772992
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 167 192 256 334 384 501 512 541 668 768 1002 1082 1336 1536 1623 2004 2164 2672 3246 4008 4328 5344 6492 8016 8656 10688 12984 16032 17312 21376 25968 32064 34624 42752 51936 64128 69248 85504 90347 103872 128256 138496 180694 207744 256512 271041 276992 361388 415488 542082 722776 830976 1084164 1445552 2168328 2891104 4336656 5782208 8673312 11564416 17346624 23128832 34693248 46257664 69386496 138772992
- Sum of all divisors σ(n): 372601152
- Sum of proper divisors (its aliquot sum) s(n): 233828160
- 138772992 is an abundant number, because the sum of its proper divisors (233828160) is greater than itself. Its abundance is 95055168
Bases of 138772992
- Binary: 10000100010110000010000000002
- Hexadecimal: 0x8458200
- Base-36: 2AMDXC
Squares and roots of 138772992
- 138772992 squared (1387729922) is 19257943308632064
- 138772992 cubed (1387729923) is 2672482412705250948415488
-
The
square root of 138772992 is 11780.1949050089 -
The
cube root of 138772992 is 517.7279968077
Scales and comparisons
How big is 138772992?- 138,772,992 seconds is equal to 4 years, 21 weeks, 3 days, 4 hours, 3 minutes, 12 seconds.
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To count from 1 to 138,772,992 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 138772992 cubic inches would be around 43.1 feet tall.
Recreational maths with 138772992
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