27991470

27,991,470 is an even composite number composed of five prime numbers multiplied together.

What does the number 27991470 look like?

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

27991470 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 27991470:

2 × 3 × 5 × 13² × 5521

(2 × 3 × 5 × 13 × 13 × 5521)

See below for interesting mathematical facts about the number 27991470 from the Numbermatics database.

Names of 27991470

Cardinal: 27991470 can be written as Twenty-seven million, nine hundred ninety-one thousand, four hundred seventy.

Scientific notation

Scientific notation: 2.799147 × 10⁷

Factors of 27991470

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 5544

Divisors of 27991470

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 5521 11042 16563 27605 33126 55210 71773 82815 143546 165630 215319 358865 430638 717730 933049 1076595 1866098 2153190 2799147 4665245 5598294 9330490 13995735 27991470
Sum of all divisors σ(n): 72757872
Sum of proper divisors (its aliquot sum) s(n): 44766402
27991470 is an abundant number, because the sum of its proper divisors (44766402) is greater than itself. Its abundance is 16774932

Bases of 27991470

Binary: 1101010110001110110101110₂
Hexadecimal: 0x1AB1DAE
Base-36: GNYCU

Squares and roots of 27991470

27991470 squared (27991470²) is 783522392760900
27991470 cubed (27991470³) is 21931943551294949523000
The square root of 27991470 is 5290.6965514949
The cube root of 27991470 is 303.6280582179

Scales and comparisons

How big is 27991470?

27,991,470 seconds is equal to 46 weeks, 1 day, 23 hours, 24 minutes, 30 seconds.
To count from 1 to 27,991,470 would take you about seventeen weeks!

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 27991470 cubic inches would be around 25.3 feet tall.

Recreational maths with 27991470

27991470 backwards is 07419972
27991470 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 27991470's digits is 39
More coming soon!

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The information we have on file for 27991470 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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