131478732
131,478,732 is an even composite number composed of five prime numbers multiplied together.
131478732 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 131478732:
22 × 32 × 7 × 11 × 47431
(2 × 2 × 3 × 3 × 7 × 11 × 47431)See below for interesting mathematical facts about the number 131478732 from the Numbermatics database.
Names of 131478732
- Cardinal: 131478732 can be written as One hundred thirty-one million, four hundred seventy-eight thousand, seven hundred thirty-two.
Scientific notation
- Scientific notation: 1.31478732 × 108
Factors of 131478732
Divisors of 131478732
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 47431 94862 142293 189724 284586 332017 426879 521741 569172 664034 853758 996051 1043482 1328068 1565223 1707516 1992102 2086964 2988153 3130446 3652187 3984204 4695669 5976306 6260892 7304374 9391338 10956561 11952612 14608748 18782676 21913122 32869683 43826244 65739366 131478732
- Sum of all divisors σ(n): 414365952
- Sum of proper divisors (its aliquot sum) s(n): 282887220
- 131478732 is an abundant number, because the sum of its proper divisors (282887220) is greater than itself. Its abundance is 151408488
Bases of 131478732
- Binary: 1111101011000110100110011002
- Hexadecimal: 0x7D634CC
- Base-36: 26A1N0
Squares and roots of 131478732
- 131478732 squared (1314787322) is 17286656968327824
- 131478732 cubed (1314787323) is 2272827738714706459839168
-
The
square root of 131478732 is 11466.4175748139 -
The
cube root of 131478732 is 508.4932227903
Scales and comparisons
How big is 131478732?- 131,478,732 seconds is equal to 4 years, 9 weeks, 2 days, 17 hours, 52 minutes, 12 seconds.
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To count from 1 to 131,478,732 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 131478732 cubic inches would be around 42.4 feet tall.
Recreational maths with 131478732
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