20761491 is an odd 8-digits composite number following 20761490
and preceding 20761492 . In scientific notation, it is written as 2.0761491 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13634280 positive integers (up to 20761491) that are relatively prime to 20761491.
20761491 has 8 divisors, whose sum is 28095424
The reverse of 20761491 is 19416702
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred sixty-one thousand four hundred ninety-one
Scientific notation
2.0761491 × 10^7
Engineering notation
2.0761491 × 10^6
Prime Factorization
3 × 67 × 103291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20761491
Product of the distinct prime numbers
The prime factorization of 20761491 is 3 × 67 × 103291.
Since it has a total of 3 prime factors.
6 , 6 , 89 , 87 , 245 , 481 , 7258 , 8868 , 71823 , 68972 , 64599 , 671498 , 7345260 , 9694217 , 40743168 , 50726304 , 7919816 , 936702277 , 7853086384 , 2238658110
n×2
41522982
n×3
62284473
n×4
83045964
n×5
103807455
n÷2
10380745.5
n÷3
6920497
n÷3
5190372.75
n÷5
4152298.2
n2
431039508543081
n3
8.9490228772616E+21
n4
1.8579505792506E+29
n5
3.8573824229556E+36
2 √n
4556.4779161102
3 √n
274.84394892982
4 √n
67.501688246371
5 √n
29.070446877
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
-20761490
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 20761491 can be divided by 8 positive divisors.
The sum of these divisors (counting 20761491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001100101110010011
3
Ternary
1110001210102010
4
Quaternary
1033030232103
5
Quinary
20303331431
6
Senary
2020554003
8
Octal
117145623
10
Decimal
20761491
12
Duodecimal
6b52903
16
Hexadecimal
13ccb93
20
Vigesimal
69f3eb
36
Base36
cczo3
md5
a7160f185fd66abe3ad5debfd46e5560
sha1
2616ddf914f3f67d1909ddb40a01aa918bce759f
sha256
d9d3e7b1e998e867ffa36097240b31bd77c752b5f7ef4b628e66fda74f27975e
sha512
9538fd633e924680dc56f33ca1f22b12e2524c7764d037fcf4ac3fd8421921b548cf2ef9f396e0c2de68a40f5324f09f8af16eda5c3a4f6ea3e6eb13f1082d3f
ripemd-160
aa4ddb958c2105c6ba8243f6b608dc81b58fdf30
Diameter
41522982
Circumference
130448295.20634
Area
1.3541505534459E+15
Volume
3.7485579370683E+22
Surface area
5.4166022137836E+15
Circumference
130448295.20634
Perimeter
83045964
Area
431039508543081
Diagonal
29361182.147287
Surface area
2586237051258486
Volume
8.9490228772616E+21
Space diagonal
35959957.252884
Perimeter
62284473
Area
1.8664558221653E+14
Altitude
17979978.626442
Surface area
1.8664558221653E+14
Volume
1.0546524602509E+21
Height
9787060.7157623