20996913 is an odd 8-digits composite number following 20996912
and preceding 20996914 . In scientific notation, it is written as 2.0996913 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 11998224 positive integers (up to 20996913) that are relatively prime to 20996913.
20996913 has 8 divisors, whose sum is 31995328
The reverse of 20996913 is 31969902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred ninety-six thousand nine hundred thirteen
Scientific notation
2.0996913 × 10^7
Engineering notation
2.0996913 × 10^6
Prime Factorization
3 × 7 × 999853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20996913
Product of the distinct prime numbers
The prime factorization of 20996913 is 3 × 7 × 999853.
Since it has a total of 3 prime factors.
2 , 8 , 64 , 36 , 685 , 207 , 3646 , 2509 , 47171 , 88395 , 615608 , 127668 , 2137318 , 8800300 , 93113108 , 80228676 , 306903450 , 782324418 , 4531310713 , 6124431702
n×2
41993826
n×3
62990739
n×4
83987652
n×5
104984565
n÷2
10498456.5
n÷3
6998971
n÷3
5249228.25
n÷5
4199382.6
n2
440870355529569
n3
9.2569164993334E+21
n4
1.9436667038477E+29
n5
4.0811000681687E+36
2 √n
4582.2388632632
3 √n
275.87889824718
4 √n
67.692236358856
5 √n
29.136077909511
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
-20996912
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 20996913 can be divided by 8 positive divisors.
The sum of these divisors (counting 20996913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110001100110001
3
Ternary
1110111202100110
4
Quaternary
1100012030301
5
Quinary
20333400123
6
Senary
2030011533
8
Octal
120061461
10
Decimal
20996913
12
Duodecimal
7046ba9
16
Hexadecimal
1406331
20
Vigesimal
6b4c5d
36
Base36
ci1bl
md5
e5191dc911c52cbeeac3ddb9ee650355
sha1
22105fb27d6be6b065182da75c93c72671456dab
sha256
5702a15475aa65f0ef0568e366830e0315fa2e900a448c01d0c275fe9eacb9de
sha512
39fbd845d057f02cfcc0c0559a354ea3c0acfdb50f8a5b3cba8477ef529881cc0df7718d96e5526e01ae4f82137e763633389686c1478d9ad768709a358e890c
ripemd-160
0139a016f8b96edaebc9bd9dccd70035c505421b
Diameter
41993826
Circumference
131927495.25773
Area
1.3850350701172E+15
Volume
3.8775281158933E+22
Surface area
5.5401402804689E+15
Circumference
131927495.25773
Perimeter
83987652
Area
440870355529569
Diagonal
29694119.132568
Surface area
2645222133177414
Volume
9.2569164993334E+21
Space diagonal
36367720.118103
Perimeter
62990739
Area
1.9090246383204E+14
Altitude
18183860.059052
Surface area
1.9090246383204E+14
Volume
1.0909380715927E+21
Height
9898039.710856