138545680
138,545,680 is an even composite number composed of five prime numbers multiplied together.
What does the number 138545680 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.
138545680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138545680:
24 × 5 × 7 × 13 × 19031
(2 × 2 × 2 × 2 × 5 × 7 × 13 × 19031)See below for interesting mathematical facts about the number 138545680 from the Numbermatics database.
Names of 138545680
- Cardinal: 138545680 can be written as One hundred thirty-eight million, five hundred forty-five thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3854568 × 108
Factors of 138545680
Divisors of 138545680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 19031 38062 76124 95155 133217 152248 190310 247403 266434 304496 380620 494806 532868 666085 761240 989612 1065736 1237015 1332170 1522480 1731821 1979224 2131472 2474030 2664340 3463642 3958448 4948060 5328680 6927284 8659105 9896120 10657360 13854568 17318210 19792240 27709136 34636420 69272840 138545680
- Sum of all divisors σ(n): 396474624
- Sum of proper divisors (its aliquot sum) s(n): 257928944
- 138545680 is an abundant number, because the sum of its proper divisors (257928944) is greater than itself. Its abundance is 119383264
Bases of 138545680
- Binary: 10000100001000001010000100002
- Hexadecimal: 0x8420A10
- Base-36: 2AHIJ4
Squares and roots of 138545680
- 138545680 squared (1385456802) is 19194905446662400
- 138545680 cubed (1385456803) is 2659371227643545938432000
-
The
square root of 138545680 is 11770.5428931719 -
The
cube root of 138545680 is 517.4451605483
Scales and comparisons
How big is 138545680?- 138,545,680 seconds is equal to 4 years, 21 weeks, 12 hours, 54 minutes, 40 seconds.
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To count from 1 to 138,545,680 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 138545680 cubic inches would be around 43.1 feet tall.
Recreational maths with 138545680
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The information we have on file for 138545680 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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