42561155
42,561,155 is an odd composite number composed of five prime numbers multiplied together.
42561155 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 42561155:
5 × 73 × 13 × 23 × 83
(5 × 7 × 7 × 7 × 13 × 23 × 83)See below for interesting mathematical facts about the number 42561155 from the Numbermatics database.
Names of 42561155
- Cardinal: 42561155 can be written as Forty-two million, five hundred sixty-one thousand, one hundred fifty-five.
Scientific notation
- Scientific notation: 4.2561155 × 107
Factors of 42561155
Divisors of 42561155
- Number of divisors d(n): 64
-
Complete list of divisors:
1 5 7 13 23 35 49 65 83 91 115 161 245 299 343 415 455 581 637 805 1079 1127 1495 1715 1909 2093 2905 3185 4067 4459 5395 5635 7553 7889 9545 10465 13363 14651 20335 22295 24817 28469 37765 39445 52871 66815 73255 93541 102557 124085 142345 173719 264355 370097 467705 512785 654787 868595 1216033 1850485 3273935 6080165 8512231 42561155
- Sum of all divisors σ(n): 67737600
- Sum of proper divisors (its aliquot sum) s(n): 25176445
- 42561155 is a deficient number, because the sum of its proper divisors (25176445) is less than itself. Its deficiency is 17384710
Bases of 42561155
- Binary: 101000100101101110100000112
- Hexadecimal: 0x2896E83
- Base-36: PC8EB
Squares and roots of 42561155
- 42561155 squared (425611552) is 1811451914934025
- 42561155 cubed (425611553) is 77097485726553852798875
-
The
square root of 42561155 is 6523.8910935117 -
The
cube root of 42561155 is 349.1439077245
Scales and comparisons
How big is 42561155?- 42,561,155 seconds is equal to 1 year, 18 weeks, 2 days, 14 hours, 32 minutes, 35 seconds.
-
To count from 1 to 42,561,155 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 42561155 cubic inches would be around 29.1 feet tall.
Recreational maths with 42561155
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