20454979 is an odd 8-digits composite number following 20454978
and preceding 20454980 . In scientific notation, it is written as 2.0454979 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20068984 positive integers (up to 20454979) that are relatively prime to 20454979.
20454979 has 4 divisors, whose sum is 20840976
The reverse of 20454979 is 97945402
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred fifty-four thousand nine hundred seventy-nine
Scientific notation
2.0454979 × 10^7
Engineering notation
2.0454979 × 10^6
Prime Factorization
53 × 385943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20454979
Product of the distinct prime numbers
The prime factorization of 20454979 is 53 × 385943.
Since it has a total of 2 prime factors.
1 , 6 , 76 , 42 , 519 , 883 , 6269 , 8786 , 14714 , 45728 , 1924 , 29406 , 406109 , 1084200 , 36592764 , 31248233 , 664312944 , 663178549 , 116322939 , 879000180
n×2
40909958
n×3
61364937
n×4
81819916
n×5
102274895
n÷2
10227489.5
n÷3
6818326.3333333
n÷3
5113744.75
n÷5
4090995.8
n2
418406165890441
n3
8.5584893367595E+21
n4
1.7506371965514E+29
n5
3.5809247092078E+36
2 √n
4522.7180986659
3 √n
273.48468598908
4 √n
67.251156857454
5 √n
28.984099210879
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
-20454978
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 20454979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20454979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000001111001000011
3
Ternary
1102111012221211
4
Quaternary
1032001321003
5
Quinary
20214024404
6
Senary
2010230551
8
Octal
116017103
10
Decimal
20454979
12
Duodecimal
6a25457
16
Hexadecimal
1381e43
20
Vigesimal
67gh8j
36
Base36
c6f5v
md5
d43ab87952c648453d934c96ad7c98cb
sha1
c6291a36aff70f472575704f1c18e46dcb32d1ca
sha256
149594b86759f18c9be032f8df5590ad0b2227cb648cc1df8fa7762e92b033c9
sha512
6e785b2ba54253d5af7234e4efdba243c2075b1accb145e368b834e8ed7dc273bb58c779481feb3608c798f3d7c795f90b1345f53307a31cd34244903b7eeff0
ripemd-160
f21dc1b99be579025273e221c1ecbd0c3f8cbf99
Diameter
40909958
Circumference
128522423.51147
Area
1.3144617369781E+15
Volume
3.5849716301587E+22
Surface area
5.2578469479123E+15
Circumference
128522423.51147
Perimeter
81819916
Area
418406165890441
Diagonal
28927708.719857
Surface area
2510436995342646
Volume
8.5584893367595E+21
Space diagonal
35429062.895754
Perimeter
61364937
Area
1.8117518438058E+14
Altitude
17714531.447877
Surface area
1.8117518438058E+14
Volume
1.0086276411226E+21
Height
9642569.5732856