642970016
642,970,016 is an even composite number composed of four prime numbers multiplied together.
642970016 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 642970016:
25 × 13 × 372 × 1129
(2 × 2 × 2 × 2 × 2 × 13 × 37 × 37 × 1129)See below for interesting mathematical facts about the number 642970016 from the Numbermatics database.
Names of 642970016
- Cardinal: 642970016 can be written as Six hundred forty-two million, nine hundred seventy thousand and sixteen.
Scientific notation
- Scientific notation: 6.42970016 × 108
Factors of 642970016
Divisors of 642970016
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 8 13 16 26 32 37 52 74 104 148 208 296 416 481 592 962 1129 1184 1369 1924 2258 2738 3848 4516 5476 7696 9032 10952 14677 15392 17797 18064 21904 29354 35594 36128 41773 43808 58708 71188 83546 117416 142376 167092 234832 284752 334184 469664 543049 569504 668368 1086098 1336736 1545601 2172196 3091202 4344392 6182404 8688784 12364808 17377568 20092813 24729616 40185626 49459232 80371252 160742504 321485008 642970016
- Sum of all divisors σ(n): 1402300620
- Sum of proper divisors (its aliquot sum) s(n): 759330604
- 642970016 is an abundant number, because the sum of its proper divisors (759330604) is greater than itself. Its abundance is 116360588
Bases of 642970016
- Binary: 1001100101001011110001101000002
- Hexadecimal: 0x2652F1A0
- Base-36: AMT2U8
Squares and roots of 642970016
- 642970016 squared (6429700162) is 413410441475040256
- 642970016 cubed (6429700163) is 265810518169773697000964096
-
The
square root of 642970016 is 25356.8534325535 -
The
cube root of 642970016 is 863.1048828647
Scales and comparisons
How big is 642970016?- 642,970,016 seconds is equal to 20 years, 23 weeks, 18 hours, 46 minutes, 56 seconds.
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To count from 1 to 642,970,016 would take you about thirty 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 642970016 cubic inches would be around 71.9 feet tall.
Recreational maths with 642970016
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