20996979 is an odd 8-digits composite number following 20996978
and preceding 20996980 . In scientific notation, it is written as 2.0996979 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 13680576 positive integers (up to 20996979) that are relatively prime to 20996979.
20996979 has 16 divisors, whose sum is 28636800
The reverse of 20996979 is 97969902
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty million nine hundred ninety-six thousand nine hundred seventy-nine
Scientific notation
2.0996979 × 10^7
Engineering notation
2.0996979 × 10^6
Prime Factorization
3 × 59 × 379 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20996979
Product of the distinct prime numbers
The prime factorization of 20996979 is 3 × 59 × 379 × 313.
Since it has a total of 4 prime factors.
9 , 10 , 52 , 64 , 869 , 152 , 3265 , 6439 , 49217 , 43846 , 202634 , 23045 , 4804358 , 788362 , 5755172 , 39899878 , 296176978 , 673511699 , 7635223491 , 3318314435
n×2
41993958
n×3
62990937
n×4
83987916
n×5
104984895
n÷2
10498489.5
n÷3
6998993
n÷3
5249244.75
n÷5
4199395.8
n2
440873127126441
n3
9.2570037919382E+21
n4
1.9436911422225E+29
n5
4.0811642095731E+36
2 √n
4582.2460649773
3 √n
275.87918730535
4 √n
67.69228955337
5 √n
29.136096226287
1 , 3 , 59 , 177 , 313 , 379 , 939 , 1137 , 18467 , 22361 , 55401 , 67083 , 118627 , 355881 , 6998993 , 20996979
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20996978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20996979 can be divided by 16 positive divisors.
The sum of these divisors (counting 20996979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000110001101110011
3
Ternary
1110111202102220
4
Quaternary
1100012031303
5
Quinary
20333400404
6
Senary
2030012123
8
Octal
120061563
10
Decimal
20996979
12
Duodecimal
7047043
16
Hexadecimal
1406373
20
Vigesimal
6b4c8j
36
Base36
ci1df
md5
ac61567a0b35f395086c3b61fe7035a3
sha1
5b21356742fff9e5d1786ca8ae602959dfba8ba6
sha256
e3ecafda745cbeee773bcf393b9ef5cf2351f65935cf55b0f34fcdedb4ed8776
sha512
73a03493beb5fdd2920f933cb1a176fb19ba2ee8aecc44feb80450f04de7bcd30737ab37da70cde2e687cd5fc3ce4a990667eaa2c940b9c82101c0d291e83a44
ripemd-160
ce3f61765c98fad6cb5796c94b1b4dc90d4b8de0
Diameter
41993958
Circumference
131927909.94796
Area
1.3850437773456E+15
Volume
3.8775646809341E+22
Surface area
5.5401751093823E+15
Circumference
131927909.94796
Perimeter
83987916
Area
440873127126441
Diagonal
29694212.470663
Surface area
2645238762758646
Volume
9.2570037919382E+21
Space diagonal
36367834.433457
Perimeter
62990937
Area
1.9090366396869E+14
Altitude
18183917.216728
Surface area
1.9090366396869E+14
Volume
1.0909483591248E+21
Height
9898070.8235544