664390000
664,390,000 is an even composite number composed of four prime numbers multiplied together.
664390000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred fifty divisors.
Prime factorization of 664390000:
24 × 54 × 292 × 79
(2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 29 × 29 × 79)See below for interesting mathematical facts about the number 664390000 from the Numbermatics database.
Names of 664390000
- Cardinal: 664390000 can be written as Six hundred sixty-four million, three hundred ninety thousand.
Scientific notation
- Scientific notation: 6.6439 × 108
Factors of 664390000
Divisors of 664390000
- Number of divisors d(n): 150
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 29 40 50 58 79 80 100 116 125 145 158 200 232 250 290 316 395 400 464 500 580 625 632 725 790 841 1000 1160 1250 1264 1450 1580 1682 1975 2000 2291 2320 2500 2900 3160 3364 3625 3950 4205 4582 5000 5800 6320 6728 7250 7900 8410 9164 9875 10000 11455 11600 13456 14500 15800 16820 18125 18328 19750 21025 22910 29000 31600 33640 36250 36656 39500 42050 45820 49375 57275 58000 66439 67280 72500 79000 84100 91640 98750 105125 114550 132878 145000 158000 168200 183280 197500 210250 229100 265756 286375 290000 332195 336400 395000 420500 458200 525625 531512 572750 664390 790000 841000 916400 1051250 1063024 1145500 1328780 1431875 1660975 1682000 2102500 2291000 2657560 2863750 3321950 4205000 4582000 5315120 5727500 6643900 8304875 8410000 11455000 13287800 16609750 22910000 26575600 33219500 41524375 66439000 83048750 132878000 166097500 332195000 664390000
- Sum of all divisors σ(n): 1687022480
- Sum of proper divisors (its aliquot sum) s(n): 1022632480
- 664390000 is an abundant number, because the sum of its proper divisors (1022632480) is greater than itself. Its abundance is 358242480
Bases of 664390000
- Binary: 1001111001100111001001011100002
- Hexadecimal: 0x2799C970
- Base-36: AZK6LS
Squares and roots of 664390000
- 664390000 squared (6643900002) is 441414072100000000
- 664390000 cubed (6643900003) is 293271095362519000000000000
-
The
square root of 664390000 is 25775.7638102153 -
The
cube root of 664390000 is 872.5849048335
Scales and comparisons
How big is 664390000?- 664,390,000 seconds is equal to 21 years, 6 weeks, 3 days, 16 hours, 46 minutes, 40 seconds.
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To count from 1 to 664,390,000 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 664390000 cubic inches would be around 72.7 feet tall.
Recreational maths with 664390000
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