129331891 is an odd 9-digits composite number following 129331890
and preceding 129331892 . In scientific notation, it is written as 1.29331891 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 118780992 positive integers (up to 129331891) that are relatively prime to 129331891.
129331891 has 8 divisors, whose sum is 139983200
The reverse of 129331891 is 198133921
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million three hundred thirty-one thousand eight hundred ninety-one
Scientific notation
1.29331891 × 10^8
Engineering notation
1.29331891 × 10^6
Prime Factorization
13 × 199 × 49993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129331891
Product of the distinct prime numbers
The prime factorization of 129331891 is 13 × 199 × 49993.
Since it has a total of 3 prime factors.
10 , 7 , 3 , 52 , 362 , 407 , 687 , 5167 , 35820 , 58835 , 315966 , 493241 , 9596322 , 3876502 , 92048211 , 92913237 , 767205837 , 982696774 , 705624793 , 5816750330
n×2
258663782
n×3
387995673
n×4
517327564
n×5
646659455
n÷2
64665945.5
n÷3
43110630.333333
n÷3
32332972.75
n÷5
25866378.2
n2
16726738029635881
n3
2.1633006596344E+24
n4
2.7978376511207E+32
n5
3.6184963413043E+40
2 √n
11372.41799267
3 √n
505.71038929814
4 √n
106.64153971446
5 √n
41.912264434253
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
-129331890
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 129331891 can be divided by 8 positive divisors.
The sum of these divisors (counting 129331891) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101010111001010110011
3
Ternary
100000100202000001
4
Quaternary
13231113022303
5
Quinary
231102110031
6
Senary
20500010431
8
Octal
755271263
10
Decimal
129331891
12
Duodecimal
37390a17
16
Hexadecimal
7b572b3
20
Vigesimal
20869eb
36
Base36
25014j
md5
9fd648b2ef72a55530cc861faa6b2446
sha1
fc4d5269877335a97c754d58e35f620a13a07011
sha256
0afc0c4b25dd2d7bcd6c31ba6682f84af3b6f3d2ec192e4a04a9dccce671ab79
sha512
f5388068b18d0fd113e15b3096c189ba9313544bd749f0bb0ea1ff3ff4ec20ff4288c6c3e672a409d35ff3a9bf9a8875f5b8bf4f9f2e7dddad8ab6cff6a9d310
ripemd-160
5380f6d5dccf10b4ecc4a4f0320bca0d6657035a
Diameter
258663782
Circumference
812616237.28095
Area
5.2548597312425E+16
Volume
9.0616126130846E+24
Surface area
2.101943892497E+17
Circumference
812616237.28095
Perimeter
517327564
Area
16726738029635881
Diagonal
182902914.29956
Surface area
100360428177815286
Volume
2.1633006596344E+24
Space diagonal
224009406.25096
Perimeter
387995673
Area
7.242890028056E+15
Altitude
112004703.12548
Surface area
7.242890028056E+15
Volume
2.5494742769547E+23
Height
60967638.099853