21095517 is an odd 8-digits composite number following 21095516
and preceding 21095518 . In scientific notation, it is written as 2.1095517 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14063676 positive integers (up to 21095517) that are relatively prime to 21095517.
21095517 has 4 divisors, whose sum is 28127360
The reverse of 21095517 is 71559012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million ninety-five thousand five hundred seventeen
Scientific notation
2.1095517 × 10^7
Engineering notation
2.1095517 × 10^6
Prime Factorization
3 × 7031839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21095517
Product of the distinct prime numbers
The prime factorization of 21095517 is 3 × 7031839.
Since it has a total of 2 prime factors.
2 , 7 , 71 , 2 , 487 , 801 , 8391 , 7734 , 17504 , 74486 , 863784 , 154731 , 8612991 , 1998633 , 7911637 , 46260474 , 156771587 , 244021324 , 4639782211 , 8558905830
n×2
42191034
n×3
63286551
n×4
84382068
n×5
105477585
n÷2
10547758.5
n÷3
7031839
n÷3
5273879.25
n÷5
4219103.4
n2
445020837497289
n3
9.3879446427783E+21
n4
1.9804354580679E+29
n5
4.1778309873074E+36
2 √n
4592.9856302845
3 √n
276.31007736324
4 √n
67.771569483704
5 √n
29.163391946835
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21095516
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21095517 can be divided by 4 positive divisors.
The sum of these divisors (counting 21095517) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011110010001011101
3
Ternary
1110200202121110
4
Quaternary
1100132101131
5
Quinary
20400024032
6
Senary
2032052233
8
Octal
120362135
10
Decimal
21095517
12
Duodecimal
7094079
16
Hexadecimal
141e45d
20
Vigesimal
6bgifh
36
Base36
ck5el
md5
29aa2bb4ff456b0d78e291dc10a8c3b1
sha1
b09fde35c2bbce09f30f9b89094bcee7d31d182d
sha256
3626a26377d0babc4b4b6fd19527fc997dc9c03cd3eeb328fc6ac58d4b27c72d
sha512
32bb0618afa7073433c46346beb3bb9ff62ab6514a59833c39ebabd51de173608408d2433b248cdfbc269fa67ba3c3f42c22f57c43668133d7c91e77c0072575
ripemd-160
4ecbd86b3508e42e0ca1c6878dec2f70ba8f6ba9
Diameter
42191034
Circumference
132547042.46176
Area
1.3980741937759E+15
Volume
3.9324130562747E+22
Surface area
5.5922967751034E+15
Circumference
132547042.46176
Perimeter
84382068
Area
445020837497289
Diagonal
29833566.246672
Surface area
2670125024983734
Volume
9.3879446427783E+21
Space diagonal
36538507.255933
Perimeter
63286551
Area
1.9269967524304E+14
Altitude
18269253.627966
Surface area
1.9269967524304E+14
Volume
1.1063798863854E+21
Height
9944522.0822241