138893640
138,893,640 is an even composite number composed of five prime numbers multiplied together.
138893640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138893640:
23 × 3 × 5 × 31 × 37337
(2 × 2 × 2 × 3 × 5 × 31 × 37337)See below for interesting mathematical facts about the number 138893640 from the Numbermatics database.
Names of 138893640
- Cardinal: 138893640 can be written as One hundred thirty-eight million, eight hundred ninety-three thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3889364 × 108
Factors of 138893640
Divisors of 138893640
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 37337 74674 112011 149348 186685 224022 298696 373370 448044 560055 746740 896088 1120110 1157447 1493480 2240220 2314894 3472341 4480440 4629788 5787235 6944682 9259576 11574470 13889364 17361705 23148940 27778728 34723410 46297880 69446820 138893640
- Sum of all divisors σ(n): 430133760
- Sum of proper divisors (its aliquot sum) s(n): 291240120
- 138893640 is an abundant number, because the sum of its proper divisors (291240120) is greater than itself. Its abundance is 152346480
Bases of 138893640
- Binary: 10000100011101011001010010002
- Hexadecimal: 0x8475948
- Base-36: 2AOZ0O
Squares and roots of 138893640
- 138893640 squared (1388936402) is 19291443232449600
- 138893640 cubed (1388936403) is 2679458771408291060544000
-
The
square root of 138893640 is 11785.3145906251 -
The
cube root of 138893640 is 517.8779893809
Scales and comparisons
How big is 138893640?- 138,893,640 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 34 minutes.
-
To count from 1 to 138,893,640 would take you about six 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 138893640 cubic inches would be around 43.2 feet tall.
Recreational maths with 138893640
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The information we have on file for 138893640 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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