1240155

1,240,155 is an odd composite number composed of five prime numbers multiplied together.

What does the number 1240155 look like?

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

1240155 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 1240155:

3² × 5 × 7 × 31 × 127

(3 × 3 × 5 × 7 × 31 × 127)

See below for interesting mathematical facts about the number 1240155 from the Numbermatics database.

Names of 1240155

Cardinal: 1240155 can be written as One million, two hundred forty thousand, one hundred fifty-five.

Scientific notation

Scientific notation: 1.240155 × 10⁶

Factors of 1240155

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 173

Divisors of 1240155

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 7 9 15 21 31 35 45 63 93 105 127 155 217 279 315 381 465 635 651 889 1085 1143 1395 1905 1953 2667 3255 3937 4445 5715 8001 9765 11811 13335 19685 27559 35433 40005 59055 82677 137795 177165 248031 413385 1240155
Sum of all divisors σ(n): 2555904
Sum of proper divisors (its aliquot sum) s(n): 1315749
1240155 is an abundant number, because the sum of its proper divisors (1315749) is greater than itself. Its abundance is 75594

Bases of 1240155

Binary: 100101110110001011011₂
Hexadecimal: 0x12EC5B
Base-36: QKWR

Squares and roots of 1240155

1240155 squared (1240155²) is 1537984424025
1240155 cubed (1240155³) is 1907339073376723875
The square root of 1240155 is 1113.6224674457
The cube root of 1240155 is 107.4381833169

Scales and comparisons

How big is 1240155?

1,240,155 seconds is equal to 2 weeks, 8 hours, 29 minutes, 15 seconds.
To count from 1 to 1,240,155 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 1240155 cubic inches would be around 9 feet tall.

Recreational maths with 1240155

1240155 backwards is 5510421
The number of decimal digits it has is: 7
The sum of 1240155's digits is 18
More coming soon!

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The information we have on file for 1240155 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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