13438657820
13,438,657,820 is an even composite number composed of six prime numbers multiplied together.
13438657820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 13438657820:
22 × 5 × 7 × 19 × 83 × 60869
(2 × 2 × 5 × 7 × 19 × 83 × 60869)See below for interesting mathematical facts about the number 13438657820 from the Numbermatics database.
Names of 13438657820
- Cardinal: 13438657820 can be written as Thirteen billion, four hundred thirty-eight million, six hundred fifty-seven thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.343865782 × 1010
Factors of 13438657820
Divisors of 13438657820
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 5 7 10 14 19 20 28 35 38 70 76 83 95 133 140 166 190 266 332 380 415 532 581 665 830 1162 1330 1577 1660 2324 2660 2905 3154 5810 6308 7885 11039 11620 15770 22078 31540 44156 55195 60869 110390 121738 220780 243476 304345 426083 608690 852166 1156511 1217380 1704332 2130415 2313022 4260830 4626044 5052127 5782555 8095577 8521660 10104254 11565110 16191154 20208508 23130220 25260635 32382308 35364889 40477885 50521270 70729778 80955770 95990413 101042540 141459556 161911540 176824445 191980826 353648890 383961652 479952065 671932891 707297780 959904130 1343865782 1919808260 2687731564 3359664455 6719328910 13438657820
- Sum of all divisors σ(n): 34359897600
- Sum of proper divisors (its aliquot sum) s(n): 20921239780
- 13438657820 is an abundant number, because the sum of its proper divisors (20921239780) is greater than itself. Its abundance is 7482581960
Bases of 13438657820
- Binary: 11001000010000000110100101000111002
- Hexadecimal: 0x32101A51C
- Base-36: 66912QK
Squares and roots of 13438657820
- 13438657820 squared (134386578202) is 180597524003047152400
- 13438657820 cubed (134386578203) is 2426988328216187318428991768000
-
The
square root of 13438657820 is 115925.2251237839 -
The
cube root of 13438657820 is 2377.4896334985
Scales and comparisons
How big is 13438657820?- 13,438,657,820 seconds is equal to 427 years, 16 weeks, 30 minutes, 20 seconds.
-
To count from 1 to 13,438,657,820 would take you about eight hundred fifty-four 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 13438657820 cubic inches would be around 198.1 feet tall.
Recreational maths with 13438657820
- 13438657820 backwards is 02875683431
- The number of decimal digits it has is: 11
- The sum of 13438657820's digits is 47
- More coming soon!
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