20130291 is an odd 8-digits composite number following 20130290
and preceding 20130292 . In scientific notation, it is written as 2.0130291 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12713760 positive integers (up to 20130291) that are relatively prime to 20130291.
20130291 has 8 divisors, whose sum is 23544400
The reverse of 20130291 is 19203102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand two hundred ninety-one
Scientific notation
2.0130291 × 10^7
Engineering notation
2.0130291 × 10^6
Prime Factorization
9 × 19 × 117721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20130291
Product of the distinct prime numbers
The prime factorization of 20130291 is 9 × 19 × 117721.
Since it has a total of 3 prime factors.
5 , 4 , 15 , 23 , 487 , 495 , 2583 , 2749 , 73836 , 29430 , 668511 , 839691 , 9847763 , 6133576 , 85638789 , 73841910 , 738484847 , 843517778 , 2794890486 , 4103071037
n×2
40260582
n×3
60390873
n×4
80521164
n×5
100651455
n÷2
10065145.5
n÷3
6710097
n÷3
5032572.75
n÷5
4026058.2
n2
405228615744681
n3
8.1573699564676E+21
n4
1.6421023101835E+29
n5
3.3055997355766E+36
2 √n
4486.6792842814
3 √n
272.02992660198
4 √n
66.982678987044
5 √n
28.891494698387
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
-20130290
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 20130291 can be divided by 8 positive divisors.
The sum of these divisors (counting 20130291) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100111110011
3
Ternary
1101212201120100
4
Quaternary
1030302213303
5
Quinary
20123132131
6
Senary
1555243443
8
Octal
114624763
10
Decimal
20130291
12
Duodecimal
68a9583
16
Hexadecimal
13329f3
20
Vigesimal
65g5eb
36
Base36
bzgmr
md5
8f3588dc7157ff2e61eb7b15ad29b5d7
sha1
867dc6e7579e9c1c9981e24580b499fc5a268a0c
sha256
8a6e2170fbcebed748a33f3e3b87a689be7d469507220deb2aa2c46de0dfdfb9
sha512
fc4f1e7eea9b07df3b7b7bf1f6a84b00ddcf3ca2e34e8626542bb18ac68a431dc7131e7731ac8e5fe007e0cee124034f0f73dcb0bbc91e37e33975e9196ca69f
ripemd-160
746562fdc673b97dc20e595ad4ee98bdcd9fa9db
Diameter
40260582
Circumference
126482348.64045
Area
1.2730632422479E+15
Volume
3.416951137047E+22
Surface area
5.0922529689914E+15
Circumference
126482348.64045
Perimeter
80521164
Area
405228615744681
Diagonal
28468530.546717
Surface area
2431371694468086
Volume
8.1573699564676E+21
Space diagonal
34866686.783147
Perimeter
60390873
Area
1.7546913778765E+14
Altitude
17433343.391573
Surface area
1.7546913778765E+14
Volume
9.6135526881094E+20
Height
9489510.182239