129121375 is an odd 9-digits composite number following 129121374
and preceding 129121376 . In scientific notation, it is written as 1.29121375 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 97219200 positive integers (up to 129121375) that are relatively prime to 129121375.
129121375 has 16 divisors, whose sum is 170625312
The reverse of 129121375 is 573121921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred seventy-five
Scientific notation
1.29121375 × 10^8
Engineering notation
1.29121375 × 10^6
Prime Factorization
25 × 5 × 17 × 60763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121375
Product of the distinct prime numbers
The prime factorization of 129121375 is 25 × 5 × 17 × 60763.
Since it has a total of 4 prime factors.
7 , 10 , 16 , 60 , 328 , 948 , 5530 , 7071 , 69622 , 90355 , 603401 , 588929 , 7865902 , 8898879 , 63484708 , 30065350 , 844567542 , 653453070 , 625138139 , 2810843015
n×2
258242750
n×3
387364125
n×4
516485500
n×5
645606875
n÷2
64560687.5
n÷3
43040458.333333
n÷3
32280343.75
n÷5
25824275
n2
16672329481890625
n3
2.1527541071548E+24
n4
2.7796657035272E+32
n5
3.5891425767977E+40
2 √n
11363.158671778
3 √n
505.43585545559
4 √n
106.59811758084
5 √n
41.898611262577
1 , 5 , 17 , 25 , 85 , 125 , 425 , 2125 , 60763 , 303815 , 1032971 , 1519075 , 5164855 , 7595375 , 25824275 , 129121375
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121374
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121375 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121375) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110001011111
3
Ternary
22222222001020011
4
Quaternary
13230203301133
5
Quinary
231023341000
6
Senary
20451304051
8
Octal
754436137
10
Decimal
129121375
12
Duodecimal
372ab027
16
Hexadecimal
7b23c5f
20
Vigesimal
207038f
36
Base36
24viov
md5
551e5dbc179e3240742d78d847be8969
sha1
25ebc0ca457a2d2420148c3821de063477984cb9
sha256
d6a3c9060d02679508ebe8c87ecf7d04fe97704db7f671236da9d1711a8db3a9
sha512
38a281a8c576860c1c6dcfdd3c864b74e013cc6b31638ccb252c3c16b61c6a9d448ad6fd5ebf1efaa763e8d8b4592f761a2f9b2412baffbd707133fa52f37f77
ripemd-160
fda6145260319d79dde15c437e485a5a47c2bd99
Diameter
258242750
Circumference
811293526.24283
Area
5.2377667818536E+16
Volume
9.0174353173635E+24
Surface area
2.0951067127414E+17
Circumference
811293526.24283
Perimeter
516485500
Area
16672329481890625
Diagonal
182605199.71726
Surface area
100033976891343750
Volume
2.1527541071548E+24
Space diagonal
223644781.84315
Perimeter
387364125
Area
7.2193304357908E+15
Altitude
111822390.92158
Surface area
7.2193304357908E+15
Volume
2.5370450456605E+23
Height
60868399.905754