138279768
138,279,768 is an even composite number composed of five prime numbers multiplied together.
138279768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138279768:
23 × 3 × 112 × 17 × 2801
(2 × 2 × 2 × 3 × 11 × 11 × 17 × 2801)See below for interesting mathematical facts about the number 138279768 from the Numbermatics database.
Names of 138279768
- Cardinal: 138279768 can be written as One hundred thirty-eight million, two hundred seventy-nine thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38279768 × 108
Factors of 138279768
Divisors of 138279768
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 66 68 88 102 121 132 136 187 204 242 264 363 374 408 484 561 726 748 968 1122 1452 1496 2057 2244 2801 2904 4114 4488 5602 6171 8228 8403 11204 12342 16456 16806 22408 24684 30811 33612 47617 49368 61622 67224 92433 95234 123244 142851 184866 190468 246488 285702 338921 369732 380936 523787 571404 677842 739464 1016763 1047574 1142808 1355684 1571361 2033526 2095148 2711368 3142722 4067052 4190296 5761657 6285444 8134104 11523314 12570888 17284971 23046628 34569942 46093256 69139884 138279768
- Sum of all divisors σ(n): 402479280
- Sum of proper divisors (its aliquot sum) s(n): 264199512
- 138279768 is an abundant number, because the sum of its proper divisors (264199512) is greater than itself. Its abundance is 125919744
Bases of 138279768
- Binary: 10000011110111111011010110002
- Hexadecimal: 0x83DFB58
- Base-36: 2ABTCO
Squares and roots of 138279768
- 138279768 squared (1382797682) is 19121294238133824
- 138279768 cubed (1382797683) is 2644088131108881935672832
-
The
square root of 138279768 is 11759.2418122939 -
The
cube root of 138279768 is 517.1139027745
Scales and comparisons
How big is 138279768?- 138,279,768 seconds is equal to 4 years, 20 weeks, 4 days, 11 hours, 2 minutes, 48 seconds.
-
To count from 1 to 138,279,768 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 138279768 cubic inches would be around 43.1 feet tall.
Recreational maths with 138279768
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