668342740
668,342,740 is an even composite number composed of six prime numbers multiplied together.
What does the number 668342740 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 96 divisors.
668342740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 668342740:
22 × 5 × 13 × 23 × 73 × 1531
(2 × 2 × 5 × 13 × 23 × 73 × 1531)See below for interesting mathematical facts about the number 668342740 from the Numbermatics database.
Names of 668342740
- Cardinal: 668342740 can be written as Six hundred sixty-eight million, three hundred forty-two thousand, seven hundred forty.
Scientific notation
- Scientific notation: 6.6834274 × 108
Factors of 668342740
Divisors of 668342740
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 13 20 23 26 46 52 65 73 92 115 130 146 230 260 292 299 365 460 598 730 949 1196 1460 1495 1531 1679 1898 2990 3062 3358 3796 4745 5980 6124 6716 7655 8395 9490 15310 16790 18980 19903 21827 30620 33580 35213 39806 43654 70426 79612 87308 99515 109135 111763 140852 176065 199030 218270 223526 352130 398060 436540 447052 457769 558815 704260 915538 1117630 1452919 1831076 2235260 2288845 2570549 2905838 4577690 5141098 5811676 7264595 9155380 10282196 12852745 14529190 25705490 29058380 33417137 51410980 66834274 133668548 167085685 334171370 668342740
- Sum of all divisors σ(n): 1599849216
- Sum of proper divisors (its aliquot sum) s(n): 931506476
- 668342740 is an abundant number, because the sum of its proper divisors (931506476) is greater than itself. Its abundance is 263163736
Bases of 668342740
- Binary: 1001111101011000011001110101002
- Hexadecimal: 0x27D619D4
- Base-36: B1WWK4
Squares and roots of 668342740
- 668342740 squared (6683427402) is 446682018110707600
- 668342740 cubed (6683427403) is 298536683892839940722824000
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The
square root of 668342740 is 25852.3256207251 -
The
cube root of 668342740 is 874.3119445321
Scales and comparisons
How big is 668342740?- 668,342,740 seconds is equal to 21 years, 13 weeks, 10 hours, 45 minutes, 40 seconds.
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To count from 1 to 668,342,740 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 668342740 cubic inches would be around 72.9 feet tall.
Recreational maths with 668342740
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