61128740

61,128,740 is an even composite number composed of five prime numbers multiplied together.

What does the number 61128740 look like?

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

61128740 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 61128740:

2² × 5 × 73 × 149 × 281

(2 × 2 × 5 × 73 × 149 × 281)

See below for interesting mathematical facts about the number 61128740 from the Numbermatics database.

Names of 61128740

Cardinal: 61128740 can be written as Sixty-one million, one hundred twenty-eight thousand, seven hundred forty.

Scientific notation

Scientific notation: 6.112874 × 10⁷

Factors of 61128740

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 510

Divisors of 61128740

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 20 73 146 149 281 292 298 365 562 596 730 745 1124 1405 1460 1490 2810 2980 5620 10877 20513 21754 41026 41869 43508 54385 82052 83738 102565 108770 167476 205130 209345 217540 410260 418690 837380 3056437 6112874 12225748 15282185 30564370 61128740
Sum of all divisors σ(n): 131468400
Sum of proper divisors (its aliquot sum) s(n): 70339660
61128740 is an abundant number, because the sum of its proper divisors (70339660) is greater than itself. Its abundance is 9210920

Bases of 61128740

Binary: 11101001001100000000100100₂
Hexadecimal: 0x3A4C024
Base-36: 10E78K

Squares and roots of 61128740

61128740 squared (61128740²) is 3736722853987600
61128740 cubed (61128740³) is 228421159793465963624000
The square root of 61128740 is 7818.4870659227
The cube root of 61128740 is 393.9264552191

Scales and comparisons

How big is 61128740?

61,128,740 seconds is equal to 1 year, 49 weeks, 12 hours, 12 minutes, 20 seconds.
To count from 1 to 61,128,740 would take you about two years!

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 61128740 cubic inches would be around 32.8 feet tall.

Recreational maths with 61128740

61128740 backwards is 04782116
The number of decimal digits it has is: 8
The sum of 61128740's digits is 29
More coming soon!

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The information we have on file for 61128740 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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