129173728 is an even 9-digits composite number following 129173727
and preceding 129173729 . In scientific notation, it is written as 1.29173728 × 10^8.
The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors.
There are 64519680 positive integers (up to 129173728) that are relatively prime to 129173728.
129173728 has 24 divisors, whose sum is 254575440
The reverse of 129173728 is 827371921
Previous prime number is 2711
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million one hundred seventy-three thousand seven hundred twenty-eight
Scientific notation
1.29173728 × 10^8
Engineering notation
1.29173728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2711 × 1489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8073358
Product of the distinct prime numbers
The prime factorization of 129173728 is 2 × 2 × 2 × 2 × 2 × 2711 × 1489.
Since it has a total of 7 prime factors.
9 , 4 , 11 , 36 , 354 , 225 , 5383 , 1452 , 50885 , 83788 , 615567 , 347790 , 7379212 , 6739630 , 94327537 , 82606552 , 308327620 , 970900671 , 1430237603 , 8662807088
n×2
258347456
n×3
387521184
n×4
516694912
n×5
645868640
n÷2
64586864
n÷3
43057909.333333
n÷3
32293432
n÷5
25834745.6
n2
16685852005417984
n3
2.1553737083961E+24
n4
2.7841765714671E+32
n5
3.5964246714667E+40
2 √n
11365.462067158
3 √n
505.50415684483
4 √n
106.60892114245
5 √n
41.902008317995
1 , 2 , 4 , 8 , 16 , 32 , 1489 , 2711 , 2978 , 5422 , 5956 , 10844 , 11912 , 21688 , 23824 , 43376 , 47648 , 86752 , 4036679 , 8073358 , 16146716 , 32293432 , 64586864 , 129173728
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129173727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129173728 can be divided by 24 positive divisors.
The sum of these divisors (counting 129173728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100110000100011100000
3
Ternary
100000001201001011
4
Quaternary
13230300203200
5
Quinary
231032024403
6
Senary
20452350304
8
Octal
754604340
10
Decimal
129173728
12
Duodecimal
37315394
16
Hexadecimal
7b308e0
20
Vigesimal
2076e68
36
Base36
24wn34
md5
eb0b5d84ded34545f2e15e3b9fbd66fc
sha1
26554a88290463293bd473698f14849b96c92188
sha256
8e2d988a65d0cc52b49923744a46f28cd299f007b91b0c2d19e60419fc77a72c
sha512
71de86be8fa6dc441ff8a049c037462652e5d3c20fa8598eb513fb62da614d9491f5b3afbbf30ce31c19223cd89330d3d481768078f210d2e08122447e35ac4d
ripemd-160
7088adf8b2946ed6d10dec7eac04732ab88208c2
Diameter
258347456
Circumference
811622469.84321
Area
5.2420150079108E+16
Volume
9.0284082773838E+24
Surface area
2.0968060031643E+17
Circumference
811622469.84321
Perimeter
516694912
Area
16685852005417984
Diagonal
182679238.03989
Surface area
100115112032507904
Volume
2.1553737083961E+24
Space diagonal
223735459.89908
Perimeter
387521184
Area
7.2251858602397E+15
Altitude
111867729.94954
Surface area
7.2251858602397E+15
Volume
2.5401322753302E+23
Height
60893079.346631