138478752
138,478,752 is an even composite number composed of four prime numbers multiplied together.
138478752 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138478752:
25 × 32 × 97 × 4957
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 97 × 4957)See below for interesting mathematical facts about the number 138478752 from the Numbermatics database.
Names of 138478752
- Cardinal: 138478752 can be written as One hundred thirty-eight million, four hundred seventy-eight thousand, seven hundred fifty-two.
Scientific notation
- Scientific notation: 1.38478752 × 108
Factors of 138478752
Divisors of 138478752
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 97 144 194 288 291 388 582 776 873 1164 1552 1746 2328 3104 3492 4656 4957 6984 9312 9914 13968 14871 19828 27936 29742 39656 44613 59484 79312 89226 118968 158624 178452 237936 356904 475872 480829 713808 961658 1427616 1442487 1923316 2884974 3846632 4327461 5769948 7693264 8654922 11539896 15386528 17309844 23079792 34619688 46159584 69239376 138478752
- Sum of all divisors σ(n): 397938996
- Sum of proper divisors (its aliquot sum) s(n): 259460244
- 138478752 is an abundant number, because the sum of its proper divisors (259460244) is greater than itself. Its abundance is 120981492
Bases of 138478752
- Binary: 10000100000100000100101000002
- Hexadecimal: 0x84104A0
- Base-36: 2AG2W0
Squares and roots of 138478752
- 138478752 squared (1384787522) is 19176364755477504
- 138478752 cubed (1384787523) is 2655519059235309917995008
-
The
square root of 138478752 is 11767.6995202971 -
The
cube root of 138478752 is 517.3618254639
Scales and comparisons
How big is 138478752?- 138,478,752 seconds is equal to 4 years, 20 weeks, 6 days, 18 hours, 19 minutes, 12 seconds.
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To count from 1 to 138,478,752 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 138478752 cubic inches would be around 43.1 feet tall.
Recreational maths with 138478752
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The information we have on file for 138478752 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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