664448994
664,448,994 is an even composite number composed of four prime numbers multiplied together.
664448994 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 664448994:
2 × 35 × 112 × 11299
(2 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 11299)See below for interesting mathematical facts about the number 664448994 from the Numbermatics database.
Names of 664448994
- Cardinal: 664448994 can be written as Six hundred sixty-four million, four hundred forty-eight thousand, nine hundred ninety-four.
Scientific notation
- Scientific notation: 6.64448994 × 108
Factors of 664448994
Divisors of 664448994
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 198 242 243 297 363 486 594 726 891 1089 1782 2178 2673 3267 5346 6534 9801 11299 19602 22598 29403 33897 58806 67794 101691 124289 203382 248578 305073 372867 610146 745734 915219 1118601 1367179 1830438 2237202 2734358 2745657 3355803 4101537 5491314 6711606 8203074 10067409 12304611 20134818 24609222 30202227 36913833 60404454 73827666 110741499 221482998 332224497 664448994
- Sum of all divisors σ(n): 1641166800
- Sum of proper divisors (its aliquot sum) s(n): 976717806
- 664448994 is an abundant number, because the sum of its proper divisors (976717806) is greater than itself. Its abundance is 312268812
Bases of 664448994
- Binary: 1001111001101010101111111000102
- Hexadecimal: 0x279AAFE2
- Base-36: AZLG4I
Squares and roots of 664448994
- 664448994 squared (6644489942) is 441492465627612036
- 664448994 cubed (6644489943) is 293349224644846395942491784
-
The
square root of 664448994 is 25776.9081543927 -
The
cube root of 664448994 is 872.6107309047
Scales and comparisons
How big is 664448994?- 664,448,994 seconds is equal to 21 years, 6 weeks, 4 days, 9 hours, 9 minutes, 54 seconds.
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To count from 1 to 664,448,994 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 664448994 cubic inches would be around 72.7 feet tall.
Recreational maths with 664448994
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