138902920
138,902,920 is an even composite number composed of six prime numbers multiplied together.
138902920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138902920:
23 × 5 × 13 × 17 × 19 × 827
(2 × 2 × 2 × 5 × 13 × 17 × 19 × 827)See below for interesting mathematical facts about the number 138902920 from the Numbermatics database.
Names of 138902920
- Cardinal: 138902920 can be written as One hundred thirty-eight million, nine hundred two thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3890292 × 108
Factors of 138902920
Divisors of 138902920
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 13 17 19 20 26 34 38 40 52 65 68 76 85 95 104 130 136 152 170 190 221 247 260 323 340 380 442 494 520 646 680 760 827 884 988 1105 1235 1292 1615 1654 1768 1976 2210 2470 2584 3230 3308 4135 4199 4420 4940 6460 6616 8270 8398 8840 9880 10751 12920 14059 15713 16540 16796 20995 21502 28118 31426 33080 33592 41990 43004 53755 56236 62852 70295 78565 83980 86008 107510 112472 125704 140590 157130 167960 182767 204269 215020 267121 281180 314260 365534 408538 430040 534242 562360 628520 731068 817076 913835 1021345 1068484 1335605 1462136 1634152 1827670 2042690 2136968 2671210 3472573 3655340 4085380 5342420 6945146 7310680 8170760 10684840 13890292 17362865 27780584 34725730 69451460 138902920
- Sum of all divisors σ(n): 375580800
- Sum of proper divisors (its aliquot sum) s(n): 236677880
- 138902920 is an abundant number, because the sum of its proper divisors (236677880) is greater than itself. Its abundance is 97774960
Bases of 138902920
- Binary: 10000100011101111101100010002
- Hexadecimal: 0x8477D88
- Base-36: 2AP66G
Squares and roots of 138902920
- 138902920 squared (1389029202) is 19294021184526400
- 138902920 cubed (1389029203) is 2679995881072575777088000
-
The
square root of 138902920 is 11785.7082943707 -
The
cube root of 138902920 is 517.8895229083
Scales and comparisons
How big is 138902920?- 138,902,920 seconds is equal to 4 years, 21 weeks, 4 days, 16 hours, 8 minutes, 40 seconds.
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To count from 1 to 138,902,920 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 138902920 cubic inches would be around 43.2 feet tall.
Recreational maths with 138902920
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The information we have on file for 138902920 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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