21701940

21,701,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 21701940 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21701940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21701940:

2² × 3 × 5 × 13 × 27823

(2 × 2 × 3 × 5 × 13 × 27823)

See below for interesting mathematical facts about the number 21701940 from the Numbermatics database.

Names of 21701940

Cardinal: 21701940 can be written as Twenty-one million, seven hundred one thousand, nine hundred forty.

Scientific notation

Scientific notation: 2.170194 × 10⁷

Factors of 21701940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 27846

Divisors of 21701940

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 27823 55646 83469 111292 139115 166938 278230 333876 361699 417345 556460 723398 834690 1085097 1446796 1669380 1808495 2170194 3616990 4340388 5425485 7233980 10850970 21701940
Sum of all divisors σ(n): 65442048
Sum of proper divisors (its aliquot sum) s(n): 43740108
21701940 is an abundant number, because the sum of its proper divisors (43740108) is greater than itself. Its abundance is 22038168

Bases of 21701940

Binary: 1010010110010010100110100₂
Hexadecimal: 0x14B2534
Base-36: CX5BO

Squares and roots of 21701940

21701940 squared (21701940²) is 470974199763600
21701940 cubed (21701940³) is 10221053824817661384000
The square root of 21701940 is 4658.5341042005
The cube root of 21701940 is 278.9327570119

Scales and comparisons

How big is 21701940?

21,701,940 seconds is equal to 35 weeks, 6 days, 4 hours, 19 minutes.
To count from 1 to 21,701,940 would take you about five days!

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 21701940 cubic inches would be around 23.2 feet tall.

Recreational maths with 21701940

21701940 backwards is 04910712
The number of decimal digits it has is: 8
The sum of 21701940's digits is 24
More coming soon!

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The information we have on file for 21701940 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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