21151140

21,151,140 is an even composite number composed of five prime numbers multiplied together.

What does the number 21151140 look like?

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

21151140 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 21151140:

2² × 3 × 5 × 61 × 5779

(2 × 2 × 3 × 5 × 61 × 5779)

See below for interesting mathematical facts about the number 21151140 from the Numbermatics database.

Names of 21151140

Cardinal: 21151140 can be written as Twenty-one million, one hundred fifty-one thousand, one hundred forty.

Scientific notation

Scientific notation: 2.115114 × 10⁷

Factors of 21151140

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 5850

Divisors of 21151140

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 5779 11558 17337 23116 28895 34674 57790 69348 86685 115580 173370 346740 352519 705038 1057557 1410076 1762595 2115114 3525190 4230228 5287785 7050380 10575570 21151140
Sum of all divisors σ(n): 60204480
Sum of proper divisors (its aliquot sum) s(n): 39053340
21151140 is an abundant number, because the sum of its proper divisors (39053340) is greater than itself. Its abundance is 17902200

Bases of 21151140

Binary: 1010000101011110110100100₂
Hexadecimal: 0x142BDA4
Base-36: CLCBO

Squares and roots of 21151140

21151140 squared (21151140²) is 447370723299600
21151140 cubed (21151140³) is 9462400800411101544000
The square root of 21151140 is 4599.0368556905
The cube root of 21151140 is 276.5527151251

Scales and comparisons

How big is 21151140?

21,151,140 seconds is equal to 34 weeks, 6 days, 19 hours, 19 minutes.
To count from 1 to 21,151,140 would take you about three 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 21151140 cubic inches would be around 23 feet tall.

Recreational maths with 21151140

21151140 backwards is 04115112
21151140 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21151140's digits is 15
More coming soon!

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The information we have on file for 21151140 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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