20451748 is an even 8-digits composite number following 20451747
and preceding 20451749 . In scientific notation, it is written as 2.0451748 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9624320 positive integers (up to 20451748) that are relatively prime to 20451748.
20451748 has 12 divisors, whose sum is 37896012
The reverse of 20451748 is 84715402
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred fifty-one thousand seven hundred forty-eight
Scientific notation
2.0451748 × 10^7
Engineering notation
2.0451748 × 10^6
Prime Factorization
2 × 2 × 17 × 300761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10225874
Product of the distinct prime numbers
The prime factorization of 20451748 is 2 × 2 × 17 × 300761.
Since it has a total of 4 prime factors.
10 , 3 , 17 , 23 , 875 , 396 , 9422 , 5898 , 76525 , 17611 , 849008 , 953401 , 9048906 , 2195483 , 986779 , 47551812 , 544590930 , 543684463 , 4468509575 , 1279259604
n×2
40903496
n×3
61355244
n×4
81806992
n×5
102258740
n÷2
10225874
n÷3
6817249.3333333
n÷3
5112937
n÷5
4090349.6
n2
418273996255504
n3
8.5544343663705E+21
n4
1.7495313594355E+29
n5
3.5780974481272E+36
2 √n
4522.3608878549
3 √n
273.47028565572
4 √n
67.248501008238
5 √n
28.983183506766
1 , 2 , 4 , 17 , 34 , 68 , 300761 , 601522 , 1203044 , 5112937 , 10225874 , 20451748
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
-20451747
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 20451748 can be divided by 12 positive divisors.
The sum of these divisors (counting 20451748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000001000110100100
3
Ternary
1102111001112011
4
Quaternary
1032001012210
5
Quinary
20213423443
6
Senary
2010204004
8
Octal
116010644
10
Decimal
20451748
12
Duodecimal
6a23604
16
Hexadecimal
13811a4
20
Vigesimal
67g978
36
Base36
c6co4
md5
0409f2f054e74f48a58ecfdc9c651e2e
sha1
a0860755c3eb53be5669034914fa1e86fa84296b
sha256
d51fb32151f5d31c3c055d0281a0914a10cabd6bf1573ee12a3d1c5b2a5085ae
sha512
85bde674d823cd0c91994ab54f37ade0f90a6f5e4ffee8a7b76bf57c4bdac4922e56a280420cdbf915579e64998983c9b4477dff01029c7ca801030d863cf98a
ripemd-160
6ca686256290518437d03fcab70350e71487bf1e
Diameter
40903496
Circumference
128502122.53974
Area
1.3140465138239E+15
Volume
3.5832730881341E+22
Surface area
5.2561860552957E+15
Circumference
128502122.53974
Perimeter
81806992
Area
418273996255504
Diagonal
28923139.395837
Surface area
2509643977533024
Volume
8.5544343663705E+21
Space diagonal
35423466.639595
Perimeter
61355244
Area
1.8111795324985E+14
Altitude
17711733.319798
Surface area
1.8111795324985E+14
Volume
1.0081497582793E+21
Height
9641046.4652789