138864768
138,864,768 is an even composite number composed of five prime numbers multiplied together.
138864768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138864768:
27 × 3 × 7 × 19 × 2719
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 19 × 2719)See below for interesting mathematical facts about the number 138864768 from the Numbermatics database.
Names of 138864768
- Cardinal: 138864768 can be written as One hundred thirty-eight million, eight hundred sixty-four thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38864768 × 108
Factors of 138864768
Divisors of 138864768
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 128 133 152 168 192 224 228 266 304 336 384 399 448 456 532 608 672 798 896 912 1064 1216 1344 1596 1824 2128 2432 2688 2719 3192 3648 4256 5438 6384 7296 8157 8512 10876 12768 16314 17024 19033 21752 25536 32628 38066 43504 51072 51661 57099 65256 76132 87008 103322 114198 130512 152264 154983 174016 206644 228396 261024 304528 309966 348032 361627 413288 456792 522048 609056 619932 723254 826576 913584 1044096 1084881 1218112 1239864 1446508 1653152 1827168 2169762 2436224 2479728 2893016 3306304 3654336 4339524 4959456 5786032 6612608 7308672 8679048 9918912 11572064 17358096 19837824 23144128 34716192 46288256 69432384 138864768
- Sum of all divisors σ(n): 443904000
- Sum of proper divisors (its aliquot sum) s(n): 305039232
- 138864768 is an abundant number, because the sum of its proper divisors (305039232) is greater than itself. Its abundance is 166174464
Bases of 138864768
- Binary: 10000100011011101000100000002
- Hexadecimal: 0x846E880
- Base-36: 2AOCQO
Squares and roots of 138864768
- 138864768 squared (1388647682) is 19283423791693824
- 138864768 cubed (1388647683) is 2677788171079243196792832
-
The
square root of 138864768 is 11784.0896126939 -
The
cube root of 138864768 is 517.8421029059
Scales and comparisons
How big is 138864768?- 138,864,768 seconds is equal to 4 years, 21 weeks, 4 days, 5 hours, 32 minutes, 48 seconds.
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To count from 1 to 138,864,768 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 138864768 cubic inches would be around 43.2 feet tall.
Recreational maths with 138864768
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The information we have on file for 138864768 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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