13155999840
13,155,999,840 is an even composite number composed of four prime numbers multiplied together.
13155999840 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 13155999840:
25 × 32 × 5 × 9136111
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 9136111)See below for interesting mathematical facts about the number 13155999840 from the Numbermatics database.
Names of 13155999840
- Cardinal: 13155999840 can be written as Thirteen billion, one hundred fifty-five million, nine hundred ninety-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.315599984 × 1010
Factors of 13155999840
Divisors of 13155999840
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 9136111 18272222 27408333 36544444 45680555 54816666 73088888 82224999 91361110 109633332 137041665 146177776 164449998 182722220 219266664 274083330 292355552 328899996 365444440 411124995 438533328 548166660 657799992 730888880 822249990 877066656 1096333320 1315599984 1461777760 1644499980 2192666640 2631199968 3288999960 4385333280 6577999920 13155999840
- Sum of all divisors σ(n): 44894854368
- Sum of proper divisors (its aliquot sum) s(n): 31738854528
- 13155999840 is an abundant number, because the sum of its proper divisors (31738854528) is greater than itself. Its abundance is 18582854688
Bases of 13155999840
- Binary: 11000100000010100010100000011000002
- Hexadecimal: 0x31028A060
- Base-36: 61KQQG0
Squares and roots of 13155999840
- 13155999840 squared (131559998402) is 173080331790080025600
- 13155999840 cubed (131559998403) is 2277044817337439730380795904000
-
The
square root of 13155999840 is 114699.6069740433 -
The
cube root of 13155999840 is 2360.7026443665
Scales and comparisons
How big is 13155999840?- 13,155,999,840 seconds is equal to 418 years, 16 weeks, 4 days, 12 hours, 24 minutes.
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To count from 1 to 13,155,999,840 would take you about eight hundred thirty-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 13155999840 cubic inches would be around 196.7 feet tall.
Recreational maths with 13155999840
- 13155999840 backwards is 04899955131
- The number of decimal digits it has is: 11
- The sum of 13155999840's digits is 54
- More coming soon!
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