20977400

20,977,400 is an even composite number composed of four prime numbers multiplied together.

What does the number 20977400 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

20977400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 20977400:

23 × 52 × 53 × 1979

(2 × 2 × 2 × 5 × 5 × 53 × 1979)

See below for interesting mathematical facts about the number 20977400 from the Numbermatics database.

Names of 20977400

• Cardinal: 20977400 can be written as Twenty million, nine hundred seventy-seven thousand, four hundred.

Scientific notation

• Scientific notation: 2.09774 × 107

Factors of 20977400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2039

Divisors of 20977400

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 49717800
• Sum of proper divisors (its aliquot sum) s(n): 28740400
• 20977400 is an abundant number, because the sum of its proper divisors (28740400) is greater than itself. Its abundance is 7763000

Bases of 20977400

• Binary: 10100000000010110111110002
• Base-36: CHM9K

Squares and roots of 20977400

• 20977400 squared (209774002) is 440051310760000
• 20977400 cubed (209774003) is 9231132366336824000000
• The square root of 20977400 is 4580.1091690045
• The cube root of 20977400 is 275.7934111823

Scales and comparisons

How big is 20977400?
• 20,977,400 seconds is equal to 34 weeks, 4 days, 19 hours, 3 minutes, 20 seconds.
• To count from 1 to 20,977,400 would take you about four 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 20977400 cubic inches would be around 23 feet tall.

Recreational maths with 20977400

• 20977400 backwards is 00477902
• The number of decimal digits it has is: 8
• The sum of 20977400's digits is 29
• More coming soon!

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