13215918400
13,215,918,400 is an even composite number composed of four prime numbers multiplied together.
13215918400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 13215918400:
26 × 52 × 61 × 135409
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 61 × 135409)See below for interesting mathematical facts about the number 13215918400 from the Numbermatics database.
Names of 13215918400
- Cardinal: 13215918400 can be written as Thirteen billion, two hundred fifteen million, nine hundred eighteen thousand, four hundred.
Scientific notation
- Scientific notation: 1.32159184 × 1010
Factors of 13215918400
Divisors of 13215918400
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 160 200 244 305 320 400 488 610 800 976 1220 1525 1600 1952 2440 3050 3904 4880 6100 9760 12200 19520 24400 48800 97600 135409 270818 541636 677045 1083272 1354090 2166544 2708180 3385225 4333088 5416360 6770450 8259949 8666176 10832720 13540900 16519898 21665440 27081800 33039796 41299745 43330880 54163600 66079592 82599490 108327200 132159184 165198980 206498725 216654400 264318368 330397960 412997450 528636736 660795920 825994900 1321591840 1651989800 2643183680 3303979600 6607959200 13215918400
- Sum of all divisors σ(n): 33052768540
- Sum of proper divisors (its aliquot sum) s(n): 19836850140
- 13215918400 is an abundant number, because the sum of its proper divisors (19836850140) is greater than itself. Its abundance is 6620931740
Bases of 13215918400
- Binary: 11000100111011101011101001010000002
- Hexadecimal: 0x313BAE940
- Base-36: 62KEZWG
Squares and roots of 13215918400
- 13215918400 squared (132159184002) is 174660499155458560000
- 13215918400 cubed (132159184003) is 2308298904541809243541504000000
-
The
square root of 13215918400 is 114960.5080016613 -
The
cube root of 13215918400 is 2364.2811308247
Scales and comparisons
How big is 13215918400?- 13,215,918,400 seconds is equal to 420 years, 11 weeks, 5 days, 26 minutes, 40 seconds.
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To count from 1 to 13,215,918,400 would take you about eight hundred forty 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 13215918400 cubic inches would be around 197 feet tall.
Recreational maths with 13215918400
- 13215918400 backwards is 00481951231
- The number of decimal digits it has is: 11
- The sum of 13215918400's digits is 34
- More coming soon!
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The information we have on file for 13215918400 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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