668513412
668,513,412 is an even composite number composed of four prime numbers multiplied together.
668513412 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 668513412:
22 × 39 × 7 × 1213
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 1213)See below for interesting mathematical facts about the number 668513412 from the Numbermatics database.
Names of 668513412
- Cardinal: 668513412 can be written as Six hundred sixty-eight million, five hundred thirteen thousand, four hundred twelve.
Scientific notation
- Scientific notation: 6.68513412 × 108
Factors of 668513412
Divisors of 668513412
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 729 756 972 1134 1213 1458 1701 2187 2268 2426 2916 3402 3639 4374 4852 5103 6561 6804 7278 8491 8748 10206 10917 13122 14556 15309 16982 19683 20412 21834 25473 26244 30618 32751 33964 39366 43668 45927 50946 61236 65502 76419 78732 91854 98253 101892 131004 137781 152838 183708 196506 229257 275562 294759 305676 393012 458514 551124 589518 687771 884277 917028 1179036 1375542 1768554 2063313 2652831 2751084 3537108 4126626 5305662 6189939 7958493 8253252 10611324 12379878 15916986 18569817 23875479 24759756 31833972 37139634 47750958 55709451 74279268 95501916 111418902 167128353 222837804 334256706 668513412
- Sum of all divisors σ(n): 2007159616
- Sum of proper divisors (its aliquot sum) s(n): 1338646204
- 668513412 is an abundant number, because the sum of its proper divisors (1338646204) is greater than itself. Its abundance is 670132792
Bases of 668513412
- Binary: 1001111101100010110100100001002
- Hexadecimal: 0x27D8B484
- Base-36: B20K90
Squares and roots of 668513412
- 668513412 squared (6685134122) is 446910182023881744
- 668513412 cubed (6685134123) is 298765450642326250165950528
-
The
square root of 668513412 is 25855.6263122749 -
The
cube root of 668513412 is 874.3863613741
Scales and comparisons
How big is 668513412?- 668,513,412 seconds is equal to 21 years, 13 weeks, 2 days, 10 hours, 10 minutes, 12 seconds.
-
To count from 1 to 668,513,412 would take you about thirty-one 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 668513412 cubic inches would be around 72.9 feet tall.
Recreational maths with 668513412
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