168643968
168,643,968 is an even composite number composed of four prime numbers multiplied together.
168643968 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 168643968:
27 × 3 × 312 × 457
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 31 × 31 × 457)See below for interesting mathematical facts about the number 168643968 from the Numbermatics database.
Names of 168643968
- Cardinal: 168643968 can be written as One hundred sixty-eight million, six hundred forty-three thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.68643968 × 108
Factors of 168643968
Divisors of 168643968
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 128 186 192 248 372 384 457 496 744 914 961 992 1371 1488 1828 1922 1984 2742 2883 2976 3656 3844 3968 5484 5766 5952 7312 7688 10968 11532 11904 14167 14624 15376 21936 23064 28334 29248 30752 42501 43872 46128 56668 58496 61504 85002 87744 92256 113336 123008 170004 175488 184512 226672 340008 369024 439177 453344 680016 878354 906688 1317531 1360032 1756708 1813376 2635062 2720064 3513416 5270124 5440128 7026832 10540248 14053664 21080496 28107328 42160992 56214656 84321984 168643968
- Sum of all divisors σ(n): 463889880
- Sum of proper divisors (its aliquot sum) s(n): 295245912
- 168643968 is an abundant number, because the sum of its proper divisors (295245912) is greater than itself. Its abundance is 126601944
Bases of 168643968
- Binary: 10100000110101001101100000002
- Hexadecimal: 0xA0D4D80
- Base-36: 2SEMIO
Squares and roots of 168643968
- 168643968 squared (1686439682) is 28440787942785024
- 168643968 cubed (1686439683) is 4796367331717823418335232
-
The
square root of 168643968 is 12986.2992418933 -
The
cube root of 168643968 is 552.4889597379
Scales and comparisons
How big is 168643968?- 168,643,968 seconds is equal to 5 years, 18 weeks, 5 days, 21 hours, 32 minutes, 48 seconds.
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To count from 1 to 168,643,968 would take you about eight 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 168643968 cubic inches would be around 46 feet tall.
Recreational maths with 168643968
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