129408520 is an even 9-digits composite number following 129408519
and preceding 129408521 . In scientific notation, it is written as 1.29408520 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 51687360 positive integers (up to 129408520) that are relatively prime to 129408520.
129408520 has 32 divisors, whose sum is 291597120
The reverse of 129408520 is 025804921
Previous prime number is 823
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million four hundred eight thousand five hundred twenty
Scientific notation
1.29408520 × 10^8
Engineering notation
1.29408520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 823 × 3931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32352130
Product of the distinct prime numbers
The prime factorization of 129408520 is 2 × 2 × 2 × 5 × 823 × 3931.
Since it has a total of 6 prime factors.
9 , 3 , 38 , 78 , 814 , 291 , 1834 , 3855 , 24859 , 69160 , 98274 , 299121 , 2664304 , 3948471 , 69860982 , 42251396 , 904638492 , 51364518 , 55051454 , 8641785232
n×2
258817040
n×3
388225560
n×4
517634080
n×5
647042600
n÷2
64704260
n÷3
43136173.333333
n÷3
32352130
n÷5
25881704
n2
16746565048590400
n3
2.1671481980218E+24
n4
2.8044744092667E+32
n5
3.6292288268108E+40
2 √n
11375.786566212
3 √n
505.81024719119
4 √n
106.65733245404
5 √n
41.917229851501
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 823 , 1646 , 3292 , 3931 , 4115 , 6584 , 7862 , 8230 , 15724 , 16460 , 19655 , 31448 , 32920 , 39310 , 78620 , 157240 , 3235213 , 6470426 , 12940852 , 16176065 , 25881704 , 32352130 , 64704260 , 129408520
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129408519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129408520 can be divided by 32 positive divisors.
The sum of these divisors (counting 129408520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101101001111000001000
3
Ternary
100000111122010011
4
Quaternary
13231221320020
5
Quinary
231112033040
6
Senary
20501401304
8
Octal
755517010
10
Decimal
129408520
12
Duodecimal
37409234
16
Hexadecimal
7b69e08
20
Vigesimal
208g160
36
Base36
251o94
md5
964b76d846eee717fc342a6522a83292
sha1
b9e97de4d8169ad97f6278cf0255d0977f42a03d
sha256
a760e80785e5c02f148fdfa42ae41147465727cc5a51690d1e75660d867afe8c
sha512
0a748b3aa91dbfb8e27bfd7ad3049066df82db3e581e95913c57219cdff8c1adf54b5c502ebaf243d7798d5bd3068c8cc9de3e43f20d3906d675f5831558735f
ripemd-160
43a6133fb604f568122afcbf775ca9fc043a3100
Diameter
258817040
Circumference
813097711.48786
Area
5.2610885729515E+16
Volume
9.0777291441942E+24
Surface area
2.1044354291806E+17
Circumference
813097711.48786
Perimeter
517634080
Area
16746565048590400
Diagonal
183011284.07063
Surface area
100479390291542400
Volume
2.1671481980218E+24
Space diagonal
224142131.57229
Perimeter
388225560
Area
7.2514753791039E+15
Altitude
112071065.78615
Surface area
7.2514753791039E+15
Volume
2.5540086444291E+23
Height
61003761.356877