129207912 is an even 9-digits composite number following 129207911
and preceding 129207913 . In scientific notation, it is written as 1.29207912 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 43069296 positive integers (up to 129207912) that are relatively prime to 129207912.
129207912 has 16 divisors, whose sum is 323019840
The reverse of 129207912 is 219702921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million two hundred seven thousand nine hundred twelve
Scientific notation
1.29207912 × 10^8
Engineering notation
1.29207912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 5383663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32301978
Product of the distinct prime numbers
The prime factorization of 129207912 is 2 × 2 × 2 × 3 × 5383663.
Since it has a total of 5 prime factors.
2 , 1 , 37 , 9 , 248 , 289 , 4762 , 7216 , 92560 , 27170 , 519725 , 276624 , 2410060 , 1232743 , 10713336 , 91665427 , 631224595 , 912824502 , 2935764316 , 6455962323
n×2
258415824
n×3
387623736
n×4
516831648
n×5
646039560
n÷2
64603956
n÷3
43069304
n÷3
32301978
n÷5
25841582.4
n2
16694684523399744
n3
2.1570853287672E+24
n4
2.7871249133584E+32
n5
3.6011859053822E+40
2 √n
11366.965822065
3 √n
505.54874442022
4 √n
106.61597357838
5 √n
41.904225838035
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 5383663 , 10767326 , 16150989 , 21534652 , 32301978 , 43069304 , 64603956 , 129207912
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
-129207911
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 129207912 can be divided by 16 positive divisors.
The sum of these divisors (counting 129207912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100111000111001101000
3
Ternary
100000010102221020
4
Quaternary
13230320321220
5
Quinary
231034123122
6
Senary
20453212440
8
Octal
754707150
10
Decimal
129207912
12
Duodecimal
37331120
16
Hexadecimal
7b38e68
20
Vigesimal
207ajfc
36
Base36
24xdgo
md5
9b4209086fe4929bd9350846dddb6cc3
sha1
167dd98eee194f16c03162d5cde4e528fb24f5aa
sha256
18779b027f928256f9346f4e1e6fbba585b06a9e2fe3019cbe3652f984269780
sha512
ad6c560987693bd74a2f8f6a93b868ea978ba3593d605d57363dd3c732391ed3049693cff6c44d04bb68db8e02b2ca64f3e2408104a3de63b7ae2b8d6298cce5
ripemd-160
bac51d2bfa845cae0dea8255a46488bd31a5b6b2
Diameter
258415824
Circumference
811837254.24975
Area
5.2447898252712E+16
Volume
9.0355778960285E+24
Surface area
2.0979159301085E+17
Circumference
811837254.24975
Perimeter
516831648
Area
16694684523399744
Diagonal
182727581.51631
Surface area
100168107140398464
Volume
2.1570853287672E+24
Space diagonal
223794668.32389
Perimeter
387623736
Area
7.2290104527155E+15
Altitude
111897334.16194
Surface area
7.2290104527155E+15
Volume
2.5421494392822E+23
Height
60909193.83877