668240960
668,240,960 is an even composite number composed of five prime numbers multiplied together.
668240960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 668240960:
26 × 5 × 312 × 41 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 31 × 41 × 53)See below for interesting mathematical facts about the number 668240960 from the Numbermatics database.
Names of 668240960
- Cardinal: 668240960 can be written as Six hundred sixty-eight million, two hundred forty thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 6.6824096 × 108
Factors of 668240960
Divisors of 668240960
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 41 53 62 64 80 82 106 124 155 160 164 205 212 248 265 310 320 328 410 424 496 530 620 656 820 848 961 992 1060 1240 1271 1312 1640 1643 1696 1922 1984 2120 2173 2480 2542 2624 3280 3286 3392 3844 4240 4346 4805 4960 5084 6355 6560 6572 7688 8215 8480 8692 9610 9920 10168 10865 12710 13120 13144 15376 16430 16960 17384 19220 20336 21730 25420 26288 30752 32860 34768 38440 39401 40672 43460 50840 50933 52576 61504 65720 67363 69536 76880 78802 81344 86920 101680 101866 105152 131440 134726 139072 153760 157604 173840 197005 203360 203732 254665 262880 269452 307520 315208 336815 347680 394010 406720 407464 509330 525760 538904 630416 673630 695360 788020 814928 1018660 1077808 1260832 1347260 1576040 1629856 2037320 2088253 2155616 2521664 2694520 3152080 3259712 4074640 4176506 4311232 5389040 6304160 8149280 8353012 10441265 10778080 12608320 16298560 16706024 20882530 21556160 33412048 41765060 66824096 83530120 133648192 167060240 334120480 668240960
- Sum of all divisors σ(n): 1716118488
- Sum of proper divisors (its aliquot sum) s(n): 1047877528
- 668240960 is an abundant number, because the sum of its proper divisors (1047877528) is greater than itself. Its abundance is 379636568
Bases of 668240960
- Binary: 1001111101010010001100010000002
- Hexadecimal: 0x27D48C40
- Base-36: B1UQ0W
Squares and roots of 668240960
- 668240960 squared (6682409602) is 446545980621721600
- 668240960 cubed (6682409603) is 298400314774800638836736000
-
The
square root of 668240960 is 25850.3570574955 -
The
cube root of 668240960 is 874.2675601259
Scales and comparisons
How big is 668240960?- 668,240,960 seconds is equal to 21 years, 12 weeks, 6 days, 6 hours, 29 minutes, 20 seconds.
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To count from 1 to 668,240,960 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 668240960 cubic inches would be around 72.9 feet tall.
Recreational maths with 668240960
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