138991832
138,991,832 is an even composite number composed of three prime numbers multiplied together.
What does the number 138991832 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 64 divisors.
138991832 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138991832:
23 × 73 × 373
(2 × 2 × 2 × 7 × 7 × 7 × 37 × 37 × 37)See below for interesting mathematical facts about the number 138991832 from the Numbermatics database.
Names of 138991832
- Cardinal: 138991832 can be written as One hundred thirty-eight million, nine hundred ninety-one thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 1.38991832 × 108
Factors of 138991832
Divisors of 138991832
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 7 8 14 28 37 49 56 74 98 148 196 259 296 343 392 518 686 1036 1369 1372 1813 2072 2738 2744 3626 5476 7252 9583 10952 12691 14504 19166 25382 38332 50653 50764 67081 76664 101306 101528 134162 202612 268324 354571 405224 469567 536648 709142 939134 1418284 1878268 2481997 2836568 3756536 4963994 9927988 17373979 19855976 34747958 69495916 138991832
- Sum of all divisors σ(n): 312360000
- Sum of proper divisors (its aliquot sum) s(n): 173368168
- 138991832 is an abundant number, because the sum of its proper divisors (173368168) is greater than itself. Its abundance is 34376336
Bases of 138991832
- Binary: 10000100100011011000110110002
- Hexadecimal: 0x848D8D8
- Base-36: 2AR2S8
Squares and roots of 138991832
- 138991832 squared (1389918322) is 19318729362716224
- 138991832 cubed (1389918323) is 2685145586036120469882368
-
The
square root of 138991832 is 11789.4797171037 -
138991832 is a
perfect cube number . Itscube root is 518
Scales and comparisons
How big is 138991832?- 138,991,832 seconds is equal to 4 years, 21 weeks, 5 days, 16 hours, 50 minutes, 32 seconds.
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To count from 1 to 138,991,832 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 138991832 cubic inches would be around 43.2 feet tall.
Recreational maths with 138991832
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