20454790 is an even 8-digits composite number following 20454789
and preceding 20454791 . In scientific notation, it is written as 2.0454790 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8167936 positive integers (up to 20454790) that are relatively prime to 20454790.
20454790 has 16 divisors, whose sum is 36881568
The reverse of 20454790 is 09745402
Previous prime number is 2753
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred fifty-four thousand seven hundred ninety
Scientific notation
2.0454790 × 10^7
Engineering notation
2.0454790 × 10^6
Prime Factorization
2 × 5 × 2753 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20454790
Product of the distinct prime numbers
The prime factorization of 20454790 is 2 × 5 × 2753 × 743.
Since it has a total of 4 prime factors.
7 , 3 , 98 , 15 , 522 , 212 , 3920 , 548 , 12498 , 12014 , 127602 , 493276 , 951696 , 4592092 , 52948834 , 56572589 , 312000405 , 495148633 , 2811762748 , 6930218039
n×2
40909580
n×3
61364370
n×4
81819160
n×5
102273950
n÷2
10227395
n÷3
6818263.3333333
n÷3
5113697.5
n÷5
4090958
n2
418398433944100
n3
8.5582521026554E+21
n4
1.7505724952688E+29
n5
3.5807592770498E+36
2 √n
4522.6972041029
3 √n
273.48384367151
4 √n
67.251001510036
5 √n
28.984045649201
1 , 2 , 5 , 10 , 743 , 1486 , 2753 , 3715 , 5506 , 7430 , 13765 , 27530 , 2045479 , 4090958 , 10227395 , 20454790
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
-20454789
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 20454790 can be divided by 16 positive divisors.
The sum of these divisors (counting 20454790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001110110000110
3
Ternary
1102111012200211
4
Quaternary
1032001312012
5
Quinary
20214023130
6
Senary
2010230034
8
Octal
116016606
10
Decimal
20454790
12
Duodecimal
6a2531a
16
Hexadecimal
1381d86
20
Vigesimal
67ggja
36
Base36
c6f0m
md5
7dbedc439ef9d4637ba90ed596729658
sha1
703529f60f936d408ab6b6c04825bc653d7e9827
sha256
126af11ac73434c6cdf152431ef769ed3e99fa50496eb52a5f8bc3e9e3fafb9e
sha512
c88c73642561c06e13887ccaa728a811c3530bb9b88189d48c27f2bd07fe320b42ccb77d472c5df893024fa7ee8ab58d2b82ef543ac385d043da771b62d80910
ripemd-160
a0d821e218962f9a48f547cce60a5b0ae20849da
Diameter
40909580
Circumference
128521235.98944
Area
1.3144374463523E+15
Volume
3.5848722577696E+22
Surface area
5.257749785409E+15
Circumference
128521235.98944
Perimeter
81819160
Area
418398433944100
Diagonal
28927441.433494
Surface area
2510390603664600
Volume
8.5582521026554E+21
Space diagonal
35428735.538152
Perimeter
61364370
Area
1.8117183634961E+14
Altitude
17714367.769076
Surface area
1.8117183634961E+14
Volume
1.0085996828153E+21
Height
9642480.4778312