21006951

21,006,951 is an odd composite number composed of five prime numbers multiplied together.

What does the number 21006951 look like?

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

21006951 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21006951:

3 × 7 × 17 × 19² × 163

(3 × 7 × 17 × 19 × 19 × 163)

See below for interesting mathematical facts about the number 21006951 from the Numbermatics database.

Names of 21006951

Cardinal: 21006951 can be written as Twenty-one million, six thousand, nine hundred fifty-one.

Scientific notation

Scientific notation: 2.1006951 × 10⁷

Factors of 21006951

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 209

Divisors of 21006951

Number of divisors d(n): 48
Complete list of divisors:
1 3 7 17 19 21 51 57 119 133 163 323 357 361 399 489 969 1083 1141 2261 2527 2771 3097 3423 6137 6783 7581 8313 9291 18411 19397 21679 42959 52649 58191 58843 65037 128877 157947 176529 368543 411901 1000331 1105629 1235703 3000993 7002317 21006951
Sum of all divisors σ(n): 35990784
Sum of proper divisors (its aliquot sum) s(n): 14983833
21006951 is a deficient number, because the sum of its proper divisors (14983833) is less than itself. Its deficiency is 6023118

Bases of 21006951

Binary: 1010000001000101001100111₂
Hexadecimal: 0x1408A67
Base-36: CI92F

Squares and roots of 21006951

21006951 squared (21006951²) is 441291990316401
21006951 cubed (21006951³) is 9270199217269110303351
The square root of 21006951 is 4583.3340484847
The cube root of 21006951 is 275.9228544103

Scales and comparisons

How big is 21006951?

21,006,951 seconds is equal to 34 weeks, 5 days, 3 hours, 15 minutes, 51 seconds.
To count from 1 to 21,006,951 would take you about sixteen 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 21006951 cubic inches would be around 23 feet tall.

Recreational maths with 21006951

21006951 backwards is 15960012
The number of decimal digits it has is: 8
The sum of 21006951's digits is 24
More coming soon!

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The information we have on file for 21006951 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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