138521905920
138,521,905,920 is an even composite number composed of four prime numbers multiplied together.
138521905920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138521905920:
28 × 33 × 5 × 4008157
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 4008157)See below for interesting mathematical facts about the number 138521905920 from the Numbermatics database.
Names of 138521905920
- Cardinal: 138521905920 can be written as One hundred thirty-eight billion, five hundred twenty-one million, nine hundred five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3852190592 × 1011
Factors of 138521905920
Divisors of 138521905920
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 540 576 640 720 768 864 960 1080 1152 1280 1440 1728 1920 2160 2304 2880 3456 3840 4320 5760 6912 8640 11520 17280 34560 4008157 8016314 12024471 16032628 20040785 24048942 32065256 36073413 40081570 48097884 60122355 64130512 72146826 80163140 96195768 108220239 120244710 128261024 144293652 160326280 180367065 192391536 216440478 240489420 256522048 288587304 320652560 360734130 384783072 432880956 480978840 513044096 541101195 577174608 641305120 721468260 769566144 865761912 961957680 1026088192 1082202390 1154349216 1282610240 1442936520 1539132288 1731523824 1923915360 2164404780 2308698432 2565220480 2885873040 3078264576 3463047648 3847830720 4328809560 4617396864 5130440960 5771746080 6926095296 7695661440 8657619120 9234793728 11543492160 13852190592 15391322880 17315238240 23086984320 27704381184 34630476480 46173968640 69260952960 138521905920
- Sum of all divisors σ(n): 491560497120
- Sum of proper divisors (its aliquot sum) s(n): 353038591200
- 138521905920 is an abundant number, because the sum of its proper divisors (353038591200) is greater than itself. Its abundance is 214516685280
Bases of 138521905920
- Binary: 100000010000001000110010001011000000002
- Hexadecimal: 0x20408C8B00
- Base-36: 1RMWD6O0
Squares and roots of 138521905920
- 138521905920 squared (1385219059202) is 19188318419709331046400
- 138521905920 cubed (1385219059203) is 2658002438897979028955555954688000
-
The
square root of 138521905920 is 372185.3112630857 -
The
cube root of 138521905920 is 5174.1556143851
Scales and comparisons
How big is 138521905920?- 138,521,905,920 seconds is equal to 4,404 years, 29 weeks, 3 days, 19 hours, 12 minutes.
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To count from 1 to 138,521,905,920 would take you about eight thousand, eight hundred nine 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 138521905920 cubic inches would be around 431.2 feet tall.
Recreational maths with 138521905920
- 138521905920 backwards is 029509125831
- 138521905920 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138521905920's digits is 45
- More coming soon!
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"Number 138521905920 - Facts about the integer". Numbermatics.com. 2024. Web. 31 May 2024.
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Numbermatics. (2024). Number 138521905920 - Facts about the integer. Retrieved 31 May 2024, from https://numbermatics.com/n/138521905920/
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The information we have on file for 138521905920 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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