72289998

72,289,998 is an even composite number composed of four prime numbers multiplied together.

What does the number 72289998 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

72289998 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 72289998:

2 × 3² × 11² × 33191

(2 × 3 × 3 × 11 × 11 × 33191)

See below for interesting mathematical facts about the number 72289998 from the Numbermatics database.

Names of 72289998

Cardinal: 72289998 can be written as Seventy-two million, two hundred eighty-nine thousand, nine hundred ninety-eight.

Scientific notation

Scientific notation: 7.2289998 × 10⁷

Factors of 72289998

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 33207

Divisors of 72289998

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 33191 66382 99573 199146 298719 365101 597438 730202 1095303 2190606 3285909 4016111 6571818 8032222 12048333 24096666 36144999 72289998
Sum of all divisors σ(n): 172166904
Sum of proper divisors (its aliquot sum) s(n): 99876906
72289998 is an abundant number, because the sum of its proper divisors (99876906) is greater than itself. Its abundance is 27586908

Bases of 72289998

Binary: 100010011110000111011001110₂
Hexadecimal: 0x44F0ECE
Base-36: 171FBI

Squares and roots of 72289998

72289998 squared (72289998²) is 5225843810840004
72289998 cubed (72289998³) is 377776238633936267479992
The square root of 72289998 is 8502.3524979853
The cube root of 72289998 is 416.5745535757

Scales and comparisons

How big is 72289998?

72,289,998 seconds is equal to 2 years, 15 weeks, 3 days, 16 hours, 33 minutes, 18 seconds.
To count from 1 to 72,289,998 would take you about three 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 72289998 cubic inches would be around 34.7 feet tall.

Recreational maths with 72289998

72289998 backwards is 89998227
The number of decimal digits it has is: 8
The sum of 72289998's digits is 54
More coming soon!

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The information we have on file for 72289998 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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