20456420 is an even 8-digits composite number following 20456419
and preceding 20456421 . In scientific notation, it is written as 2.0456420 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8182560 positive integers (up to 20456420) that are relatively prime to 20456420.
20456420 has 12 divisors, whose sum is 42958524
The reverse of 20456420 is 02465402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred fifty-six thousand four hundred twenty
Scientific notation
2.0456420 × 10^7
Engineering notation
2.0456420 × 10^6
Prime Factorization
2 × 2 × 5 × 1022821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10228210
Product of the distinct prime numbers
The prime factorization of 20456420 is 2 × 2 × 5 × 1022821.
Since it has a total of 4 prime factors.
9 , 9 , 96 , 76 , 982 , 169 , 2809 , 9982 , 57303 , 40662 , 905459 , 268315 , 6621819 , 3970444 , 78994787 , 29318686 , 654567617 , 462779527 , 9320196410 , 1015784717
n×2
40912840
n×3
61369260
n×4
81825680
n×5
102282100
n÷2
10228210
n÷3
6818806.6666667
n÷3
5114105
n÷5
4091284
n2
418465119216400
n3
8.5602982340407E+21
n4
1.751130560008E+29
n5
3.5821862210358E+36
2 √n
4522.8774027161
3 √n
273.49110793292
4 √n
67.252341243381
5 √n
28.984507570234
1 , 2 , 4 , 5 , 10 , 20 , 1022821 , 2045642 , 4091284 , 5114105 , 10228210 , 20456420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20456419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20456420 can be divided by 12 positive divisors.
The sum of these divisors (counting 20456420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000010001111100100
3
Ternary
1102111021221012
4
Quaternary
1032002033210
5
Quinary
20214101140
6
Senary
2010241352
8
Octal
116021744
10
Decimal
20456420
12
Duodecimal
6a26258
16
Hexadecimal
13823e4
20
Vigesimal
67h110
36
Base36
c6g9w
md5
87e52da93c71b1fba49408fd5a42dbbd
sha1
2fe6a1c99ef3b06e130235d8941900f42d600b33
sha256
6f1a251220e74f10189aa0fbd1d0eaca8ffb9592ba86dc967b41c1c9f0d5c32c
sha512
2cd6cb71c6d189fb49662c88ce0b00a798dfef277283202b11dc7b679d9538959b1e5bc75e71ada0b4e701f8ef141e62e3b90a26e3506f7ccec582b3789e8b76
ripemd-160
645db19992095f5ae3930da164102148ebc08084
Diameter
40912840
Circumference
128531477.58149
Area
1.3146469443138E+15
Volume
3.58572933928E+22
Surface area
5.2585877772553E+15
Circumference
128531477.58149
Perimeter
81825680
Area
418465119216400
Diagonal
28929746.6016
Surface area
2510790715298400
Volume
8.5602982340407E+21
Space diagonal
35431558.780968
Perimeter
61369260
Area
1.8120071191954E+14
Altitude
17715779.390484
Surface area
1.8120071191954E+14
Volume
1.0088408217116E+21
Height
9643248.8672001