20490147 is an odd 8-digits composite number following 20490146
and preceding 20490148 . In scientific notation, it is written as 2.0490147 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13534128 positive integers (up to 20490147) that are relatively prime to 20490147.
20490147 has 8 divisors, whose sum is 22976800
The reverse of 20490147 is 74109402
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred ninety thousand one hundred forty-seven
Scientific notation
2.0490147 × 10^7
Engineering notation
2.0490147 × 10^6
Prime Factorization
9 × 109 × 20887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20490147
Product of the distinct prime numbers
The prime factorization of 20490147 is 9 × 109 × 20887.
Since it has a total of 3 prime factors.
8 , 8 , 32 , 41 , 634 , 235 , 892 , 7519 , 44527 , 57117 , 754124 , 28476 , 9631858 , 5087111 , 27123644 , 13735846 , 487493602 , 143665706 , 2643734994 , 9501458165
n×2
40980294
n×3
61470441
n×4
81960588
n×5
102450735
n÷2
10245073.5
n÷3
6830049
n÷3
5122536.75
n÷5
4098029.4
n2
419846124081609
n3
8.6027087998124E+21
n4
1.7627076790635E+29
n5
3.611813946204E+36
2 √n
4526.6043564685
3 √n
273.64132923163
4 √n
67.28004426625
5 √n
28.994058766706
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20490146
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20490147 can be divided by 8 positive divisors.
The sum of these divisors (counting 20490147) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001010011110100011
3
Ternary
1102120000012100
4
Quaternary
1032022132203
5
Quinary
20221141042
6
Senary
2011101443
8
Octal
116123643
10
Decimal
20490147
12
Duodecimal
6a41883
16
Hexadecimal
138a7a3
20
Vigesimal
681577
36
Base36
c76ar
md5
da58e5778d6447bcedc1534f6ec4f015
sha1
9e784b7b9f63e674700f3df28b06d786a074ba67
sha256
e666adb99658b9c30470b3351a028f34cd24aa1af904343508843023e1e1e4f9
sha512
f82bbc266d7068b2a1f56977ea783512ee34cddfcaa6d245f8aab40348a8b68d732564351bf410f51aaea056b648c466575cbaa2c1c860664db43986580dec05
ripemd-160
21cec3a35ebb33d850a2e4116e2f4d15862ed205
Diameter
40980294
Circumference
128743390.57235
Area
1.3189854990529E+15
Volume
3.6034942355284E+22
Surface area
5.2759419962117E+15
Circumference
128743390.57235
Perimeter
81960588
Area
419846124081609
Diagonal
28977443.782418
Surface area
2519076744489654
Volume
8.6027087998124E+21
Space diagonal
35489975.658555
Perimeter
61470441
Area
1.8179870456755E+14
Altitude
17744987.829278
Surface area
1.8179870456755E+14
Volume
1.0138389548201E+21
Height
9659147.9274728