138618131680
138,618,131,680 is an even composite number composed of five prime numbers multiplied together.
What does the number 138618131680 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 96 divisors.
138618131680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138618131680:
25 × 5 × 7 × 2731 × 45319
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 2731 × 45319)See below for interesting mathematical facts about the number 138618131680 from the Numbermatics database.
Names of 138618131680
- Cardinal: 138618131680 can be written as One hundred thirty-eight billion, six hundred eighteen million, one hundred thirty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3861813168 × 1011
Factors of 138618131680
Divisors of 138618131680
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 2731 5462 10924 13655 19117 21848 27310 38234 43696 45319 54620 76468 87392 90638 95585 109240 152936 181276 191170 218480 226595 305872 317233 362552 382340 436960 453190 611744 634466 725104 764680 906380 1268932 1450208 1529360 1586165 1812760 2537864 3058720 3172330 3625520 5075728 6344660 7251040 10151456 12689320 25378640 50757280 123766189 247532378 495064756 618830945 866363323 990129512 1237661890 1732726646 1980259024 2475323780 3465453292 3960518048 4331816615 4950647560 6930906584 8663633230 9901295120 13861813168 17327266460 19802590240 27723626336 34654532920 69309065840 138618131680
- Sum of all divisors σ(n): 374414261760
- Sum of proper divisors (its aliquot sum) s(n): 235796130080
- 138618131680 is an abundant number, because the sum of its proper divisors (235796130080) is greater than itself. Its abundance is 97177998400
Bases of 138618131680
- Binary: 100000010001100100100011010100111000002
- Hexadecimal: 0x204648D4E0
- Base-36: 1ROHNMXS
Squares and roots of 138618131680
- 138618131680 squared (1386181316802) is 19214986430453819622400
- 138618131680 cubed (1386181316803) is 2663545519246060730576811077632000
-
The
square root of 138618131680 is 372314.5601235601 -
The
cube root of 138618131680 is 5175.3534317025
Scales and comparisons
How big is 138618131680?- 138,618,131,680 seconds is equal to 4,407 years, 32 weeks, 4 days, 12 hours, 34 minutes, 40 seconds.
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To count from 1 to 138,618,131,680 would take you about eight thousand, eight hundred fifteen 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 138618131680 cubic inches would be around 431.3 feet tall.
Recreational maths with 138618131680
- 138618131680 backwards is 086131816831
- The number of decimal digits it has is: 12
- The sum of 138618131680's digits is 46
- More coming soon!
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Keywords: Divisors of 138618131680, math, Factors of 138618131680, curriculum, school, college, exams, university, Prime factorization of 138618131680, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, six hundred eighteen million, one hundred thirty-one thousand, six hundred eighty.