138938880
138,938,880 is an even composite number composed of five prime numbers multiplied together.
138938880 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138938880:
29 × 3 × 5 × 79 × 229
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 79 × 229)See below for interesting mathematical facts about the number 138938880 from the Numbermatics database.
Names of 138938880
- Cardinal: 138938880 can be written as One hundred thirty-eight million, nine hundred thirty-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.3893888 × 108
Factors of 138938880
Divisors of 138938880
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 79 80 96 120 128 158 160 192 229 237 240 256 316 320 384 395 458 474 480 512 632 640 687 768 790 916 948 960 1145 1185 1264 1280 1374 1536 1580 1832 1896 1920 2290 2370 2528 2560 2748 3160 3435 3664 3792 3840 4580 4740 5056 5496 6320 6870 7328 7584 7680 9160 9480 10112 10992 12640 13740 14656 15168 18091 18320 18960 20224 21984 25280 27480 29312 30336 36182 36640 37920 40448 43968 50560 54273 54960 58624 60672 72364 73280 75840 87936 90455 101120 108546 109920 117248 121344 144728 146560 151680 175872 180910 202240 217092 219840 271365 289456 293120 303360 351744 361820 434184 439680 542730 578912 586240 606720 723640 868368 879360 1085460 1157824 1447280 1736736 1758720 2170920 2315648 2894560 3473472 4341840 4631296 5789120 6946944 8683680 9262592 11578240 13893888 17367360 23156480 27787776 34734720 46312960 69469440 138938880
- Sum of all divisors σ(n): 451756800
- Sum of proper divisors (its aliquot sum) s(n): 312817920
- 138938880 is an abundant number, because the sum of its proper divisors (312817920) is greater than itself. Its abundance is 173879040
Bases of 138938880
- Binary: 10000100100000001010000000002
- Hexadecimal: 0x8480A00
- Base-36: 2APXXC
Squares and roots of 138938880
- 138938880 squared (1389388802) is 19304012375654400
- 138938880 cubed (1389388803) is 2682077858979561603072000
-
The
square root of 138938880 is 11787.2337721793 -
The
cube root of 138938880 is 517.9342104747
Scales and comparisons
How big is 138938880?- 138,938,880 seconds is equal to 4 years, 21 weeks, 5 days, 2 hours, 8 minutes.
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To count from 1 to 138,938,880 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 138938880 cubic inches would be around 43.2 feet tall.
Recreational maths with 138938880
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The information we have on file for 138938880 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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