138939500
138,939,500 is an even composite number composed of five prime numbers multiplied together.
138939500 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 138939500:
22 × 53 × 72 × 53 × 107
(2 × 2 × 5 × 5 × 5 × 7 × 7 × 53 × 107)See below for interesting mathematical facts about the number 138939500 from the Numbermatics database.
Names of 138939500
- Cardinal: 138939500 can be written as One hundred thirty-eight million, nine hundred thirty-nine thousand, five hundred.
Scientific notation
- Scientific notation: 1.389395 × 108
Factors of 138939500
Divisors of 138939500
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 14 20 25 28 35 49 50 53 70 98 100 106 107 125 140 175 196 212 214 245 250 265 350 371 428 490 500 530 535 700 742 749 875 980 1060 1070 1225 1325 1484 1498 1750 1855 2140 2450 2597 2650 2675 2996 3500 3710 3745 4900 5194 5243 5300 5350 5671 6125 6625 7420 7490 9275 10388 10486 10700 11342 12250 12985 13250 13375 14980 18550 18725 20972 22684 24500 25970 26215 26500 26750 28355 37100 37450 39697 46375 51940 52430 53500 56710 64925 74900 79394 92750 93625 104860 113420 129850 131075 141775 158788 185500 187250 198485 259700 262150 277879 283550 324625 374500 396970 524300 555758 567100 649250 655375 708875 793940 992425 1111516 1298500 1310750 1389395 1417750 1984850 2621500 2778790 2835500 3969700 4962125 5557580 6946975 9924250 13893950 19848500 27787900 34734875 69469750 138939500
- Sum of all divisors σ(n): 363007008
- Sum of proper divisors (its aliquot sum) s(n): 224067508
- 138939500 is an abundant number, because the sum of its proper divisors (224067508) is greater than itself. Its abundance is 85128008
Bases of 138939500
- Binary: 10000100100000001100011011002
- Hexadecimal: 0x8480C6C
- Base-36: 2APYEK
Squares and roots of 138939500
- 138939500 squared (1389395002) is 19304184660250000
- 138939500 cubed (1389395003) is 2682113764602804875000000
-
The
square root of 138939500 is 11787.2600717893 -
The
cube root of 138939500 is 517.9349808823
Scales and comparisons
How big is 138939500?- 138,939,500 seconds is equal to 4 years, 21 weeks, 5 days, 2 hours, 18 minutes, 20 seconds.
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To count from 1 to 138,939,500 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 138939500 cubic inches would be around 43.2 feet tall.
Recreational maths with 138939500
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The information we have on file for 138939500 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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