129331887 is an odd 9-digits composite number following 129331886
and preceding 129331888 . In scientific notation, it is written as 1.29331887 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 86076120 positive integers (up to 129331887) that are relatively prime to 129331887.
129331887 has 8 divisors, whose sum is 172732800
The reverse of 129331887 is 788133921
Previous prime number is 599
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million three hundred thirty-one thousand eight hundred eighty-seven
Scientific notation
1.29331887 × 10^8
Engineering notation
1.29331887 × 10^6
Prime Factorization
3 × 599 × 71971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129331887
Product of the distinct prime numbers
The prime factorization of 129331887 is 3 × 599 × 71971.
Since it has a total of 3 prime factors.
10 , 6 , 17 , 46 , 148 , 98 , 2610 , 76 , 25554 , 85382 , 211536 , 930830 , 1994412 , 2348770 , 5257981 , 35891584 , 43800858 , 724945513 , 8609650495 , 9455626670
n×2
258663774
n×3
387995661
n×4
517327548
n×5
646659435
n÷2
64665943.5
n÷3
43110629
n÷3
32332971.75
n÷5
25866377.4
n2
16726736994980769
n3
2.1633004589136E+24
n4
2.7978373049926E+32
n5
3.6184957817369E+40
2 √n
11372.417816806
3 √n
505.71038408457
4 √n
106.6415388899
5 √n
41.912264174999
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
-129331886
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 129331887 can be divided by 8 positive divisors.
The sum of these divisors (counting 129331887) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101010111001010101111
3
Ternary
100000100201222220
4
Quaternary
13231113022233
5
Quinary
231102110022
6
Senary
20500010423
8
Octal
755271257
10
Decimal
129331887
12
Duodecimal
37390a13
16
Hexadecimal
7b572af
20
Vigesimal
20869e7
36
Base36
25014f
md5
72555cd39fe4f4a776b924fa17b81fec
sha1
c462774ae64335f9b546bc7b8a2f22afee3e664a
sha256
2a5d9f20d99cfc5f74710a2156be488ba0ba1d1848ad767ec1a68e4750eaaf0d
sha512
c3b3ed81af5b76d49a436de322b0f69ba92d3501d14ca7fc96bd463b0cba98dd98b7bf7200167d470b70b09b1e24717caf5beddd7b8463d42ae5850ceeafe69a
ripemd-160
daf14f005823b64648701cc879419903c9b68746
Diameter
258663774
Circumference
812616212.14821
Area
5.254859406196E+16
Volume
9.0616117723071E+24
Surface area
2.1019437624784E+17
Circumference
812616212.14821
Perimeter
517327548
Area
16726736994980769
Diagonal
182902908.6427
Surface area
100360421969884614
Volume
2.1633004589136E+24
Space diagonal
224009399.32276
Perimeter
387995661
Area
7.2428895800372E+15
Altitude
112004699.66138
Surface area
7.2428895800372E+15
Volume
2.5494740404029E+23
Height
60967636.214235