21730880

21,730,880 is an even composite number composed of four prime numbers multiplied together.

What does the number 21730880 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

21730880 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 21730880:

2⁶ × 5 × 59 × 1151

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 59 × 1151)

See below for interesting mathematical facts about the number 21730880 from the Numbermatics database.

Names of 21730880

Cardinal: 21730880 can be written as Twenty-one million, seven hundred thirty thousand, eight hundred eighty.

Scientific notation

Scientific notation: 2.173088 × 10⁷

Factors of 21730880

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 1217

Divisors of 21730880

Number of divisors d(n): 56
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 59 64 80 118 160 236 295 320 472 590 944 1151 1180 1888 2302 2360 3776 4604 4720 5755 9208 9440 11510 18416 18880 23020 36832 46040 67909 73664 92080 135818 184160 271636 339545 368320 543272 679090 1086544 1358180 2173088 2716360 4346176 5432720 10865440 21730880
Sum of all divisors σ(n): 52669440
Sum of proper divisors (its aliquot sum) s(n): 30938560
21730880 is an abundant number, because the sum of its proper divisors (30938560) is greater than itself. Its abundance is 9207680

Bases of 21730880

Binary: 1010010111001011001000000₂
Hexadecimal: 0x14B9640
Base-36: CXRNK

Squares and roots of 21730880

21730880 squared (21730880²) is 472231145574400
21730880 cubed (21730880³) is 10261998356739817472000
The square root of 21730880 is 4661.6391966775
The cube root of 21730880 is 279.0566895335

Scales and comparisons

How big is 21730880?

21,730,880 seconds is equal to 35 weeks, 6 days, 12 hours, 21 minutes, 20 seconds.
To count from 1 to 21,730,880 would take you about six 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 21730880 cubic inches would be around 23.3 feet tall.

Recreational maths with 21730880

21730880 backwards is 08803712
The number of decimal digits it has is: 8
The sum of 21730880's digits is 29
More coming soon!

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The information we have on file for 21730880 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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