161513996
161,513,996 is an even composite number composed of five prime numbers multiplied together.
161513996 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 161513996:
22 × 72 × 47 × 89 × 197
(2 × 2 × 7 × 7 × 47 × 89 × 197)See below for interesting mathematical facts about the number 161513996 from the Numbermatics database.
Names of 161513996
- Cardinal: 161513996 can be written as One hundred sixty-one million, five hundred thirteen thousand, nine hundred ninety-six.
Scientific notation
- Scientific notation: 1.61513996 × 108
Factors of 161513996
Divisors of 161513996
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 14 28 47 49 89 94 98 178 188 196 197 329 356 394 623 658 788 1246 1316 1379 2303 2492 2758 4183 4361 4606 5516 8366 8722 9212 9259 9653 16732 17444 17533 18518 19306 29281 35066 37036 38612 58562 64813 70132 117124 122731 129626 204967 245462 259252 409934 453691 490924 819868 824051 859117 907382 1648102 1718234 1814764 3296204 3436468 5768357 11536714 23073428 40378499 80756998 161513996
- Sum of all divisors σ(n): 341288640
- Sum of proper divisors (its aliquot sum) s(n): 179774644
- 161513996 is an abundant number, because the sum of its proper divisors (179774644) is greater than itself. Its abundance is 18260648
Bases of 161513996
- Binary: 10011010000010000010000011002
- Hexadecimal: 0x9A0820C
- Base-36: 2O5SZW
Squares and roots of 161513996
- 161513996 squared (1615139962) is 26086770903888016
- 161513996 cubed (1615139963) is 4213378611423485400671936
-
The
square root of 161513996 is 12708.8156804637 -
The
cube root of 161513996 is 544.5904911295
Scales and comparisons
How big is 161513996?- 161,513,996 seconds is equal to 5 years, 7 weeks, 8 hours, 59 minutes, 56 seconds.
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To count from 1 to 161,513,996 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 161513996 cubic inches would be around 45.4 feet tall.
Recreational maths with 161513996
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