20129591 is an odd 8-digits composite number following 20129590
and preceding 20129592 . In scientific notation, it is written as 2.0129591 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 19431360 positive integers (up to 20129591) that are relatively prime to 20129591.
20129591 has 8 divisors, whose sum is 20836464
The reverse of 20129591 is 19592102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-nine thousand five hundred ninety-one
Scientific notation
2.0129591 × 10^7
Engineering notation
2.0129591 × 10^6
Prime Factorization
37 × 131 × 4153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20129591
Product of the distinct prime numbers
The prime factorization of 20129591 is 37 × 131 × 4153.
Since it has a total of 3 prime factors.
5 , 7 , 27 , 9 , 890 , 90 , 5912 , 3047 , 21057 , 92797 , 747793 , 727066 , 9718540 , 6301975 , 42464367 , 15695065 , 404548135 , 27382031 , 9554748793 , 9358203417
n×2
40259182
n×3
60388773
n×4
80518364
n×5
100647955
n÷2
10064795.5
n÷3
6709863.6666667
n÷3
5032397.75
n÷5
4025918.2
n2
405200433827281
n3
8.1565190059657E+21
n4
1.6418739157382E+29
n5
3.3050250397378E+36
2 √n
4486.6012749073
3 √n
272.02677342425
4 √n
66.982096674465
5 √n
28.891293764108
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
-20129590
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 20129591 can be divided by 8 positive divisors.
The sum of these divisors (counting 20129591) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010011100110111
3
Ternary
1101212200121102
4
Quaternary
1030302130313
5
Quinary
20123121331
6
Senary
1555240315
8
Octal
114623467
10
Decimal
20129591
12
Duodecimal
68a909b
16
Hexadecimal
1332737
20
Vigesimal
65g3jb
36
Base36
bzg3b
md5
66dbea193b0eb7a091ca88a92eeeff8f
sha1
16d8267340936675c9da647ad88181e7b15e4afa
sha256
c6b397202a033588ae49a4deb2555a31dd39d55179f459ee971b17beb53bb1b6
sha512
9711b68d209b341ef901c12c20761ddf0906cc2de705b929eab6df43e14c3fc761b3009deef5098df5296ec6e281cc23e36dd1e54d22c6c0b6a2d5739daa6dfa
ripemd-160
94a070165adcf55e4262fa75f25a759efc418aa6
Diameter
40259182
Circumference
126477950.41073
Area
1.2729747061432E+15
Volume
3.4165946917343E+22
Surface area
5.0918988245727E+15
Circumference
126477950.41073
Perimeter
80518364
Area
405200433827281
Diagonal
28467540.597223
Surface area
2431202602963686
Volume
8.1565190059657E+21
Space diagonal
34865474.347581
Perimeter
60388773
Area
1.7545693465945E+14
Altitude
17432737.173791
Surface area
1.7545693465945E+14
Volume
9.6125498333255E+20
Height
9489180.1990745