129728425 is an odd 9-digits composite number following 129728424
and preceding 129728426 . In scientific notation, it is written as 1.29728425 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 103597520 positive integers (up to 129728425) that are relatively prime to 129728425.
129728425 has 12 divisors, whose sum is 161150400
The reverse of 129728425 is 524827921
Previous prime number is 599
Is Prime? no Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-nine million seven hundred twenty-eight thousand four hundred twenty-five
Scientific notation
1.29728425 × 10^8
Engineering notation
1.29728425 × 10^6
Prime Factorization
5 × 5 × 599 × 8663
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
25945685 Product of the distinct prime numbers
The prime factorization of 129728425 is 5 × 5 × 599 × 8663.
Since it has a total of 4 prime factors.
10 , 3 , 28 , 62 , 20 , 601 , 3570 , 448 , 53089 , 21289 , 40919 , 436676 , 2135674 , 8748827 , 30387134 , 28072772 , 433007792 , 418980542 , 494647639 , 1082705024
n×2
259456850
n×3
389185275
n×4
518913700
n×5
648642125
n÷2
64864212.5
n÷3
43242808.333333
n÷3
32432106.25
n÷5
25945685
n2
16829464252980625
n3
2.183259891133E+24
n4
2.8323086704235E+32
n5
3.6743094292789E+40
2 √n11389.838673133
3 √n506.2267011581
4 √n106.72318713913
5 √n41.937933730053
1 , 5 , 25 , 599 , 2995 , 8663 , 14975 , 43315 , 216575 , 5189137 , 25945685 , 129728425
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129728424 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129728425 can be divided by 12 positive divisors.
The sum of these divisors (counting 129728425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110110111111110101001
3
Ternary
100001002212221111
4
Quaternary
13232313332221
5
Quinary
231202302200
6
Senary
20512310321
8
Octal
756677651
10
Decimal
129728425
12
Duodecimal
375423a1
16
Hexadecimal
7bb7fa9
20
Vigesimal
20ag115
36
Base36
258j3d
md5
518f98f75d6e3ba06a5c349bd7c32e0c
sha1
b1b2e2564df9b8235df3a680cd65def4cec2e145
sha256
d24683aa44925c9c0655f2bb9646caa7f55469a43276350440360d7fe2d11bc2
sha512
9be9a198bbfc245e085d02e8385b565187dcb3e6c58df46d0d0f18d732292776bbca60c332ab681a7e997cd6ff3aab76e1f1ae85b172104fc1806bff447dd1bf
ripemd-160
f9883c62023ae8a4c4afa81afbd8eef2bcff0337
Diameter
259456850
Circumference
815107733.88355
Area
5.2871321261016E+16
Volume
9.1452176464808E+24
Surface area
2.1148528504406E+17
Circumference
815107733.88355
Perimeter
518913700
Area
16829464252980625
Diagonal
183463698.0603
Surface area
100976785517883750
Volume
2.183259891133E+24
Space diagonal
224696223.28589
Perimeter
389185275
Area
7.2873717875817E+15
Altitude
112348111.64294
Surface area
7.2873717875817E+15
Volume
2.5729964568546E+23
Height
61154566.0201