138349972920
138,349,972,920 is an even composite number composed of six prime numbers multiplied together.
138349972920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138349972920:
23 × 3 × 5 × 79 × 163 × 89533
(2 × 2 × 2 × 3 × 5 × 79 × 163 × 89533)See below for interesting mathematical facts about the number 138349972920 from the Numbermatics database.
Names of 138349972920
- Cardinal: 138349972920 can be written as One hundred thirty-eight billion, three hundred forty-nine million, nine hundred seventy-two thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3834997292 × 1011
Factors of 138349972920
Divisors of 138349972920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 79 120 158 163 237 316 326 395 474 489 632 652 790 815 948 978 1185 1304 1580 1630 1896 1956 2370 2445 3160 3260 3912 4740 4890 6520 9480 9780 12877 19560 25754 38631 51508 64385 77262 89533 103016 128770 154524 179066 193155 257540 268599 309048 358132 386310 447665 515080 537198 716264 772620 895330 1074396 1342995 1545240 1790660 2148792 2685990 3581320 5371980 7073107 10743960 14146214 14593879 21219321 28292428 29187758 35365535 42438642 43781637 56584856 58375516 70731070 72969395 84877284 87563274 106096605 116751032 141462140 145938790 169754568 175126548 212193210 218908185 282924280 291877580 350253096 424386420 437816370 583755160 848772840 875632740 1152916441 1751265480 2305832882 3458749323 4611665764 5764582205 6917498646 9223331528 11529164410 13834997292 17293746615 23058328820 27669994584 34587493230 46116657640 69174986460 138349972920
- Sum of all divisors σ(n): 422886988800
- Sum of proper divisors (its aliquot sum) s(n): 284537015880
- 138349972920 is an abundant number, because the sum of its proper divisors (284537015880) is greater than itself. Its abundance is 146187042960
Bases of 138349972920
- Binary: 100000001101100100110100001101101110002
- Hexadecimal: 0x20364D0DB8
- Base-36: 1RK202BC
Squares and roots of 138349972920
- 138349972920 squared (1383499729202) is 19140715006964733326400
- 138349972920 cubed (1383499729203) is 2648117402883008467102461521088000
-
The
square root of 138349972920 is 371954.2618656223 -
The
cube root of 138349972920 is 5172.0140122919
Scales and comparisons
How big is 138349972920?- 138,349,972,920 seconds is equal to 4,399 years, 5 weeks, 1 day, 20 hours, 2 minutes.
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To count from 1 to 138,349,972,920 would take you about eight thousand, seven hundred ninety-eight 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 138349972920 cubic inches would be around 431 feet tall.
Recreational maths with 138349972920
- 138349972920 backwards is 029279943831
- The number of decimal digits it has is: 12
- The sum of 138349972920's digits is 57
- More coming soon!
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Keywords: Divisors of 138349972920, math, Factors of 138349972920, curriculum, school, college, exams, university, Prime factorization of 138349972920, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, three hundred forty-nine million, nine hundred seventy-two thousand, nine hundred twenty.