138212900
138,212,900 is an even composite number composed of five prime numbers multiplied together.
What does the number 138212900 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.
138212900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138212900:
22 × 52 × 7 × 47 × 4201
(2 × 2 × 5 × 5 × 7 × 47 × 4201)See below for interesting mathematical facts about the number 138212900 from the Numbermatics database.
Names of 138212900
- Cardinal: 138212900 can be written as One hundred thirty-eight million, two hundred twelve thousand, nine hundred.
Scientific notation
- Scientific notation: 1.382129 × 108
Factors of 138212900
Divisors of 138212900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 25 28 35 47 50 70 94 100 140 175 188 235 329 350 470 658 700 940 1175 1316 1645 2350 3290 4201 4700 6580 8225 8402 16450 16804 21005 29407 32900 42010 58814 84020 105025 117628 147035 197447 210050 294070 394894 420100 588140 735175 789788 987235 1382129 1470350 1974470 2764258 2940700 3948940 4936175 5528516 6910645 9872350 13821290 19744700 27642580 34553225 69106450 138212900
- Sum of all divisors σ(n): 350144256
- Sum of proper divisors (its aliquot sum) s(n): 211931356
- 138212900 is an abundant number, because the sum of its proper divisors (211931356) is greater than itself. Its abundance is 73718456
Bases of 138212900
- Binary: 10000011110011110110001001002
- Hexadecimal: 0x83CF624
- Base-36: 2AADR8
Squares and roots of 138212900
- 138212900 squared (1382129002) is 19102805726410000
- 138212900 cubed (1382129003) is 2640254177583732689000000
-
The
square root of 138212900 is 11756.3982579699 -
The
cube root of 138212900 is 517.0305356797
Scales and comparisons
How big is 138212900?- 138,212,900 seconds is equal to 4 years, 20 weeks, 3 days, 16 hours, 28 minutes, 20 seconds.
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To count from 1 to 138,212,900 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 138212900 cubic inches would be around 43.1 feet tall.
Recreational maths with 138212900
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The information we have on file for 138212900 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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