42639912
42,639,912 is an even composite number composed of four prime numbers multiplied together.
42639912 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 42639912:
23 × 33 × 7 × 28201
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 28201)See below for interesting mathematical facts about the number 42639912 from the Numbermatics database.
Names of 42639912
- Cardinal: 42639912 can be written as Forty-two million, six hundred thirty-nine thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 4.2639912 × 107
Factors of 42639912
Divisors of 42639912
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 28201 56402 84603 112804 169206 197407 225608 253809 338412 394814 507618 592221 676824 761427 789628 1015236 1184442 1522854 1579256 1776663 2030472 2368884 3045708 3553326 4737768 5329989 6091416 7106652 10659978 14213304 21319956 42639912
- Sum of all divisors σ(n): 135369600
- Sum of proper divisors (its aliquot sum) s(n): 92729688
- 42639912 is an abundant number, because the sum of its proper divisors (92729688) is greater than itself. Its abundance is 50089776
Bases of 42639912
- Binary: 101000101010100010001010002
- Hexadecimal: 0x28AA228
- Base-36: PDX60
Squares and roots of 42639912
- 42639912 squared (426399122) is 1818162095367744
- 42639912 cubed (426399123) is 77526271748216211798528
-
The
square root of 42639912 is 6529.9243487195 -
The
cube root of 42639912 is 349.3591320159
Scales and comparisons
How big is 42639912?- 42,639,912 seconds is equal to 1 year, 18 weeks, 3 days, 12 hours, 25 minutes, 12 seconds.
-
To count from 1 to 42,639,912 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 42639912 cubic inches would be around 29.1 feet tall.
Recreational maths with 42639912
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