1388271872
1,388,271,872 is an even composite number composed of four prime numbers multiplied together.
1388271872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1388271872:
28 × 13 × 157 × 2657
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 157 × 2657)See below for interesting mathematical facts about the number 1388271872 from the Numbermatics database.
Names of 1388271872
- Cardinal: 1388271872 can be written as One billion, three hundred eighty-eight million, two hundred seventy-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.388271872 × 109
Factors of 1388271872
Divisors of 1388271872
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 104 128 157 208 256 314 416 628 832 1256 1664 2041 2512 2657 3328 4082 5024 5314 8164 10048 10628 16328 20096 21256 32656 34541 40192 42512 65312 69082 85024 130624 138164 170048 261248 276328 340096 417149 522496 552656 680192 834298 1105312 1668596 2210624 3337192 4421248 5422937 6674384 8842496 10845874 13348768 21691748 26697536 43383496 53395072 86766992 106790144 173533984 347067968 694135936 1388271872
- Sum of all divisors σ(n): 3004422456
- Sum of proper divisors (its aliquot sum) s(n): 1616150584
- 1388271872 is an abundant number, because the sum of its proper divisors (1616150584) is greater than itself. Its abundance is 227878712
Bases of 1388271872
- Binary: 10100101011111101011001000000002
- Hexadecimal: 0x52BF5900
- Base-36: MYJHFK
Squares and roots of 1388271872
- 1388271872 squared (13882718722) is 1927298790586384384
- 1388271872 cubed (13882718723) is 2675614699910695826487246848
-
The
square root of 1388271872 is 37259.5205551547 -
The
cube root of 1388271872 is 1115.5563384233
Scales and comparisons
How big is 1388271872?- 1,388,271,872 seconds is equal to 44 years, 7 weeks, 2 days, 23 hours, 4 minutes, 32 seconds.
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To count from 1 to 1,388,271,872 would take you about eighty-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 1388271872 cubic inches would be around 93 feet tall.
Recreational maths with 1388271872
- 1388271872 backwards is 2781728831
- The number of decimal digits it has is: 10
- The sum of 1388271872's digits is 47
- More coming soon!
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The information we have on file for 1388271872 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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