42139668
42,139,668 is an even composite number composed of five prime numbers multiplied together.
42139668 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 42139668:
22 × 3 × 172 × 29 × 419
(2 × 2 × 3 × 17 × 17 × 29 × 419)See below for interesting mathematical facts about the number 42139668 from the Numbermatics database.
Names of 42139668
- Cardinal: 42139668 can be written as Forty-two million, one hundred thirty-nine thousand, six hundred sixty-eight.
Scientific notation
- Scientific notation: 4.2139668 × 107
Factors of 42139668
Divisors of 42139668
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 12 17 29 34 51 58 68 87 102 116 174 204 289 348 419 493 578 838 867 986 1156 1257 1479 1676 1734 1972 2514 2958 3468 5028 5916 7123 8381 12151 14246 16762 21369 24302 25143 28492 33524 36453 42738 48604 50286 72906 85476 100572 121091 145812 206567 242182 363273 413134 484364 619701 726546 826268 1239402 1453092 2478804 3511639 7023278 10534917 14046556 21069834 42139668
- Sum of all divisors σ(n): 108309600
- Sum of proper divisors (its aliquot sum) s(n): 66169932
- 42139668 is an abundant number, because the sum of its proper divisors (66169932) is greater than itself. Its abundance is 24030264
Bases of 42139668
- Binary: 101000001100000000000101002
- Hexadecimal: 0x2830014
- Base-36: P376C
Squares and roots of 42139668
- 42139668 squared (421396682) is 1775751619150224
- 42139668 cubed (421396683) is 74829583681452881485632
-
The
square root of 42139668 is 6491.5073750247 -
The
cube root of 42139668 is 347.9875474471
Scales and comparisons
How big is 42139668?- 42,139,668 seconds is equal to 1 year, 17 weeks, 4 days, 17 hours, 27 minutes, 48 seconds.
-
To count from 1 to 42,139,668 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 42139668 cubic inches would be around 29 feet tall.
Recreational maths with 42139668
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The information we have on file for 42139668 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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