21426432
21,426,432 is an even composite number composed of four prime numbers multiplied together.
21426432 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 21426432:
28 × 3 × 23 × 1213
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 1213)See below for interesting mathematical facts about the number 21426432 from the Numbermatics database.
Names of 21426432
- Cardinal: 21426432 can be written as Twenty-one million, four hundred twenty-six thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 2.1426432 × 107
Factors of 21426432
Divisors of 21426432
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 256 276 368 384 552 736 768 1104 1213 1472 2208 2426 2944 3639 4416 4852 5888 7278 8832 9704 14556 17664 19408 27899 29112 38816 55798 58224 77632 83697 111596 116448 155264 167394 223192 232896 310528 334788 446384 465792 669576 892768 931584 1339152 1785536 2678304 3571072 5356608 7142144 10713216 21426432
- Sum of all divisors σ(n): 59553984
- Sum of proper divisors (its aliquot sum) s(n): 38127552
- 21426432 is an abundant number, because the sum of its proper divisors (38127552) is greater than itself. Its abundance is 16701120
Bases of 21426432
- Binary: 10100011011110001000000002
- Hexadecimal: 0x146F100
- Base-36: CR8QO
Squares and roots of 21426432
- 21426432 squared (214264322) is 459091988250624
- 21426432 cubed (214264323) is 9836703267996794093568
-
The
square root of 21426432 is 4628.8694083977 -
The
cube root of 21426432 is 277.7473680963
Scales and comparisons
How big is 21426432?- 21,426,432 seconds is equal to 35 weeks, 2 days, 23 hours, 47 minutes, 12 seconds.
-
To count from 1 to 21,426,432 would take you about twenty-three hours!
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 21426432 cubic inches would be around 23.1 feet tall.
Recreational maths with 21426432
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Keywords: Divisors of 21426432, math, Factors of 21426432, curriculum, school, college, exams, university, Prime factorization of 21426432, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, four hundred twenty-six thousand, four hundred thirty-two.