42912990
42,912,990 is an even composite number composed of five prime numbers multiplied together.
42912990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 42912990:
2 × 34 × 5 × 31 × 1709
(2 × 3 × 3 × 3 × 3 × 5 × 31 × 1709)See below for interesting mathematical facts about the number 42912990 from the Numbermatics database.
Names of 42912990
- Cardinal: 42912990 can be written as Forty-two million, nine hundred twelve thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 4.291299 × 107
Factors of 42912990
Divisors of 42912990
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 81 90 93 135 155 162 186 270 279 310 405 465 558 810 837 930 1395 1674 1709 2511 2790 3418 4185 5022 5127 8370 8545 10254 12555 15381 17090 25110 25635 30762 46143 51270 52979 76905 92286 105958 138429 153810 158937 230715 264895 276858 317874 461430 476811 529790 692145 794685 953622 1384290 1430433 1589370 2384055 2860866 4291299 4768110 7152165 8582598 14304330 21456495 42912990
- Sum of all divisors σ(n): 119180160
- Sum of proper divisors (its aliquot sum) s(n): 76267170
- 42912990 is an abundant number, because the sum of its proper divisors (76267170) is greater than itself. Its abundance is 33354180
Bases of 42912990
- Binary: 101000111011001100110111102
- Hexadecimal: 0x28ECCDE
- Base-36: PJRVI
Squares and roots of 42912990
- 42912990 squared (429129902) is 1841524710740100
- 42912990 cubed (429129903) is 79025331496742803899000
-
The
square root of 42912990 is 6550.8007144165 -
The
cube root of 42912990 is 350.1033436327
Scales and comparisons
How big is 42912990?- 42,912,990 seconds is equal to 1 year, 18 weeks, 6 days, 16 hours, 16 minutes, 30 seconds.
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To count from 1 to 42,912,990 would take you about two 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 42912990 cubic inches would be around 29.2 feet tall.
Recreational maths with 42912990
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The information we have on file for 42912990 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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