138808740
138,808,740 is an even composite number composed of six prime numbers multiplied together.
138808740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138808740:
22 × 3 × 5 × 7 × 17 × 19441
(2 × 2 × 3 × 5 × 7 × 17 × 19441)See below for interesting mathematical facts about the number 138808740 from the Numbermatics database.
Names of 138808740
- Cardinal: 138808740 can be written as One hundred thirty-eight million, eight hundred eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.3880874 × 108
Factors of 138808740
Divisors of 138808740
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 19441 38882 58323 77764 97205 116646 136087 194410 233292 272174 291615 330497 388820 408261 544348 583230 660994 680435 816522 991491 1166460 1321988 1360870 1633044 1652485 1982982 2041305 2313479 2721740 3304970 3965964 4082610 4626958 4957455 6609940 6940437 8165220 9253916 9914910 11567395 13880874 19829820 23134790 27761748 34702185 46269580 69404370 138808740
- Sum of all divisors σ(n): 470340864
- Sum of proper divisors (its aliquot sum) s(n): 331532124
- 138808740 is an abundant number, because the sum of its proper divisors (331532124) is greater than itself. Its abundance is 192723384
Bases of 138808740
- Binary: 10000100011000001101101001002
- Hexadecimal: 0x8460DA4
- Base-36: 2AN5IC
Squares and roots of 138808740
- 138808740 squared (1388087402) is 19267866300387600
- 138808740 cubed (1388087403) is 2674548243645264267624000
-
The
square root of 138808740 is 11781.7120996907 -
The
cube root of 138808740 is 517.7724486645
Scales and comparisons
How big is 138808740?- 138,808,740 seconds is equal to 4 years, 21 weeks, 3 days, 13 hours, 59 minutes.
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To count from 1 to 138,808,740 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 138808740 cubic inches would be around 43.1 feet tall.
Recreational maths with 138808740
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The information we have on file for 138808740 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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