20391013 is an odd 8-digits composite number following 20391012
and preceding 20391014 . In scientific notation, it is written as 2.0391013 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20192940 positive integers (up to 20391013) that are relatively prime to 20391013.
20391013 has 4 divisors, whose sum is 20589088
The reverse of 20391013 is 31019302
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million three hundred ninety-one thousand thirteen
Scientific notation
2.0391013 × 10^7
Engineering notation
2.0391013 × 10^6
Prime Factorization
103 × 197971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20391013
Product of the distinct prime numbers
The prime factorization of 20391013 is 103 × 197971.
Since it has a total of 2 prime factors.
6 , 6 , 58 , 80 , 447 , 967 , 8982 , 2185 , 64039 , 13009 , 382255 , 993758 , 9995404 , 2482885 , 60891380 , 37474088 , 559232966 , 788184536 , 8350251959 , 1327552170
n×2
40782026
n×3
61173039
n×4
81564052
n×5
101955065
n÷2
10195506.5
n÷3
6797004.3333333
n÷3
5097753.25
n÷5
4078202.6
n2
415793411166169
n3
8.4784488524037E+21
n4
1.728841607692E+29
n5
3.5252831697388E+36
2 √n
4515.6409290376
3 √n
273.19931148614
4 √n
67.19851880092
5 √n
28.965948907726
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20391012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391013 can be divided by 4 positive divisors.
The sum of these divisors (counting 20391013) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010010001100101
3
Ternary
1102100222012201
4
Quaternary
1031302101211
5
Quinary
20210003023
6
Senary
2005014501
8
Octal
115622145
10
Decimal
20391013
12
Duodecimal
69b4431
16
Hexadecimal
1372465
20
Vigesimal
678had
36
Base36
c51t1
md5
1e4c3263906a79bef5ebba38c85cd076
sha1
9e4c28ca7fe2dc69c1c5555b0f37d3b9b06f73c5
sha256
f062e3ac3a022e3336ab49e140d46548439cd2961efd0fde79a12c2f7a3911f1
sha512
7f0eb821080ffba999f03164ced476169b4156416e7ea3e52e0a414f18defe081c14144d38341a27271326eef28961daaa0b136f717c3f5d7d50d73ee1e28093
ripemd-160
3b50aefd3c1ce083bf580446e2129f0e82e66e76
Diameter
40782026
Circumference
128120513.28011
Area
1.3062535259307E+15
Volume
3.5514443504731E+22
Surface area
5.2250141037227E+15
Circumference
128120513.28011
Perimeter
81564052
Area
415793411166169
Diagonal
28837247.135126
Surface area
2494760466997014
Volume
8.4784488524037E+21
Space diagonal
35318270.533797
Perimeter
61173039
Area
1.8004382839805E+14
Altitude
17659135.266899
Surface area
1.8004382839805E+14
Volume
9.9919477957966E+20
Height
9612415.7117087