157988740
157,988,740 is an even composite number composed of five prime numbers multiplied together.
157988740 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 157988740:
22 × 5 × 72 × 13 × 12401
(2 × 2 × 5 × 7 × 7 × 13 × 12401)See below for interesting mathematical facts about the number 157988740 from the Numbermatics database.
Names of 157988740
- Cardinal: 157988740 can be written as One hundred fifty-seven million, nine hundred eighty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.5798874 × 108
Factors of 157988740
Divisors of 157988740
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1274 1820 2548 3185 6370 12401 12740 24802 49604 62005 86807 124010 161213 173614 248020 322426 347228 434035 607649 644852 806065 868070 1128491 1215298 1612130 1736140 2256982 2430596 3038245 3224260 4513964 5642455 6076490 7899437 11284910 12152980 15798874 22569820 31597748 39497185 78994370 157988740
- Sum of all divisors σ(n): 415665432
- Sum of proper divisors (its aliquot sum) s(n): 257676692
- 157988740 is an abundant number, because the sum of its proper divisors (257676692) is greater than itself. Its abundance is 99687952
Bases of 157988740
- Binary: 10010110101010110111100001002
- Hexadecimal: 0x96AB784
- Base-36: 2M28W4
Squares and roots of 157988740
- 157988740 squared (1579887402) is 24960441966787600
- 157988740 cubed (1579887403) is 3943468776175894771624000
-
The
square root of 157988740 is 12569.3571832453 -
The
cube root of 157988740 is 540.5991748833
Scales and comparisons
How big is 157988740?- 157,988,740 seconds is equal to 5 years, 1 week, 1 day, 13 hours, 45 minutes, 40 seconds.
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To count from 1 to 157,988,740 would take you about seven 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 157988740 cubic inches would be around 45 feet tall.
Recreational maths with 157988740
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The information we have on file for 157988740 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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