64428390
64,428,390 is an even composite number composed of six prime numbers multiplied together.
64428390 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 64428390:
2 × 32 × 5 × 13 × 53 × 1039
(2 × 3 × 3 × 5 × 13 × 53 × 1039)See below for interesting mathematical facts about the number 64428390 from the Numbermatics database.
Names of 64428390
- Cardinal: 64428390 can be written as Sixty-four million, four hundred twenty-eight thousand, three hundred ninety.
Scientific notation
- Scientific notation: 6.442839 × 107
Factors of 64428390
Divisors of 64428390
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 39 45 53 65 78 90 106 117 130 159 195 234 265 318 390 477 530 585 689 795 954 1039 1170 1378 1590 2067 2078 2385 3117 3445 4134 4770 5195 6201 6234 6890 9351 10335 10390 12402 13507 15585 18702 20670 27014 31005 31170 40521 46755 55067 62010 67535 81042 93510 110134 121563 135070 165201 202605 243126 275335 330402 405210 495603 550670 607815 715871 826005 991206 1215630 1431742 1652010 2147613 2478015 3579355 4295226 4956030 6442839 7158710 10738065 12885678 21476130 32214195 64428390
- Sum of all divisors σ(n): 183980160
- Sum of proper divisors (its aliquot sum) s(n): 119551770
- 64428390 is an abundant number, because the sum of its proper divisors (119551770) is greater than itself. Its abundance is 55123380
Bases of 64428390
- Binary: 111101011100011001011001102
- Hexadecimal: 0x3D71966
- Base-36: 12CX9I
Squares and roots of 64428390
- 64428390 squared (644283902) is 4151017437992100
- 64428390 cubed (644283903) is 267443370391755835719000
-
The
square root of 64428390 is 8026.7297201289 -
The
cube root of 64428390 is 400.8904952411
Scales and comparisons
How big is 64428390?- 64,428,390 seconds is equal to 2 years, 2 weeks, 3 days, 16 hours, 46 minutes, 30 seconds.
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To count from 1 to 64,428,390 would take you about three 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 64428390 cubic inches would be around 33.4 feet tall.
Recreational maths with 64428390
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The information we have on file for 64428390 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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