1247428

1,247,428 is an even composite number composed of five prime numbers multiplied together.

What does the number 1247428 look like?

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

1247428 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 1247428:

2² × 7 × 13 × 23 × 149

(2 × 2 × 7 × 13 × 23 × 149)

See below for interesting mathematical facts about the number 1247428 from the Numbermatics database.

Names of 1247428

Cardinal: 1247428 can be written as One million, two hundred forty-seven thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 1.247428 × 10⁶

Factors of 1247428

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 194

Divisors of 1247428

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 13 14 23 26 28 46 52 91 92 149 161 182 298 299 322 364 596 598 644 1043 1196 1937 2086 2093 3427 3874 4172 4186 6854 7748 8372 13559 13708 23989 27118 44551 47978 54236 89102 95956 178204 311857 623714 1247428
Sum of all divisors σ(n): 2822400
Sum of proper divisors (its aliquot sum) s(n): 1574972
1247428 is an abundant number, because the sum of its proper divisors (1574972) is greater than itself. Its abundance is 327544

Bases of 1247428

Binary: 100110000100011000100₂
Hexadecimal: 0x1308C4
Base-36: QQIS

Squares and roots of 1247428

1247428 squared (1247428²) is 1556076615184
1247428 cubed (1247428³) is 1941093539925746752
The square root of 1247428 is 1116.8831630927
The cube root of 1247428 is 107.6478010229

Scales and comparisons

How big is 1247428?

1,247,428 seconds is equal to 2 weeks, 10 hours, 30 minutes, 28 seconds.
To count from 1 to 1,247,428 would take you about three 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 1247428 cubic inches would be around 9 feet tall.

Recreational maths with 1247428

1247428 backwards is 8247421
1247428 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1247428's digits is 28
More coming soon!

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The information we have on file for 1247428 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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