138894012
138,894,012 is an even composite number composed of five prime numbers multiplied together.
138894012 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138894012:
22 × 32 × 17 × 31 × 7321
(2 × 2 × 3 × 3 × 17 × 31 × 7321)See below for interesting mathematical facts about the number 138894012 from the Numbermatics database.
Names of 138894012
- Cardinal: 138894012 can be written as One hundred thirty-eight million, eight hundred ninety-four thousand and twelve.
Scientific notation
- Scientific notation: 1.38894012 × 108
Factors of 138894012
Divisors of 138894012
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 17 18 31 34 36 51 62 68 93 102 124 153 186 204 279 306 372 527 558 612 1054 1116 1581 2108 3162 4743 6324 7321 9486 14642 18972 21963 29284 43926 65889 87852 124457 131778 226951 248914 263556 373371 453902 497828 680853 746742 907804 1120113 1361706 1493484 2042559 2240226 2723412 3858167 4085118 4480452 7716334 8170236 11574501 15432668 23149002 34723503 46298004 69447006 138894012
- Sum of all divisors σ(n): 383789952
- Sum of proper divisors (its aliquot sum) s(n): 244895940
- 138894012 is an abundant number, because the sum of its proper divisors (244895940) is greater than itself. Its abundance is 106001928
Bases of 138894012
- Binary: 10000100011101011010101111002
- Hexadecimal: 0x8475ABC
- Base-36: 2AOZB0
Squares and roots of 138894012
- 138894012 squared (1388940122) is 19291546569456144
- 138894012 cubed (1388940123) is 2679480300716600498209728
-
The
square root of 138894012 is 11785.3303729679 -
The
cube root of 138894012 is 517.8784517263
Scales and comparisons
How big is 138894012?- 138,894,012 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 40 minutes, 12 seconds.
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To count from 1 to 138,894,012 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 138894012 cubic inches would be around 43.2 feet tall.
Recreational maths with 138894012
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The information we have on file for 138894012 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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