21080139 is an odd 8-digits composite number following 21080138
and preceding 21080140 . In scientific notation, it is written as 2.1080139 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13313736 positive integers (up to 21080139) that are relatively prime to 21080139.
21080139 has 8 divisors, whose sum is 29586240
The reverse of 21080139 is 93108012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eighty thousand one hundred thirty-nine
Scientific notation
2.1080139 × 10^7
Engineering notation
2.1080139 × 10^6
Prime Factorization
3 × 19 × 369827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21080139
Product of the distinct prime numbers
The prime factorization of 21080139 is 3 × 19 × 369827.
Since it has a total of 3 prime factors.
2 , 7 , 94 , 85 , 283 , 830 , 2142 , 2448 , 80404 , 84806 , 233535 , 221655 , 1547046 , 1842617 , 53370807 , 72701568 , 665167522 , 385672959 , 8928551141 , 8919751571
n×2
42160278
n×3
63240417
n×4
84320556
n×5
105400695
n÷2
10540069.5
n÷3
7026713
n÷3
5270034.75
n÷5
4216027.8
n2
444372260259321
n3
9.3674290140107E+21
n4
1.9746670568798E+29
n5
4.1626256037747E+36
2 √n
4591.3112506124
3 √n
276.24292045219
4 √n
67.759215244957
5 √n
29.15913885867
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21080138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21080139 can be divided by 8 positive divisors.
The sum of these divisors (counting 21080139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010100001001011
3
Ternary
1110122222111220
4
Quaternary
1100122201023
5
Quinary
20344031024
6
Senary
2031453123
8
Octal
120324113
10
Decimal
21080139
12
Duodecimal
70871a3
16
Hexadecimal
141a84b
20
Vigesimal
6bf06j
36
Base36
cjtjf
md5
6e800a2140ebf76020a5cca5cf4ee46a
sha1
c0bdcacb8fe9ace1b7f105866fb647d3260b9b96
sha256
3cf11e84dfe0e7f065c41f3e21c02e2dd5cda9cf881441e7e5cd8c8a7af99cfc
sha512
67336223617e51b586920f7a2d32af8c8a5a75e77e7d936652c1da1c9de4e5cf7fca7c89e0d544986d10132845e99ef17efab81e62226746b1ecd245350f0a06
ripemd-160
5ad6ea382504e1ff2ff435f29db8c4c4e591c399
Diameter
42160278
Circumference
132450419.6381
Area
1.3960366282898E+15
Volume
3.923819489792E+22
Surface area
5.5841465131591E+15
Circumference
132450419.6381
Perimeter
84320556
Area
444372260259321
Diagonal
29811818.47051
Surface area
2666233561555926
Volume
9.3674290140107E+21
Space diagonal
36511871.778614
Perimeter
63240417
Area
1.9241883306084E+14
Altitude
18255935.889307
Surface area
1.9241883306084E+14
Volume
1.1039620963484E+21
Height
9937272.8235033