129372281 is an odd 9-digits composite number following 129372280
and preceding 129372282 . In scientific notation, it is written as 1.29372281 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 129348864 positive integers (up to 129372281) that are relatively prime to 129372281.
129372281 has 4 divisors, whose sum is 129395700
The reverse of 129372281 is 182273921
Previous prime number is 14489
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million three hundred seventy-two thousand two hundred eighty-one
Scientific notation
1.29372281 × 10^8
Engineering notation
1.29372281 × 10^6
Prime Factorization
14489 × 8929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129372281
Product of the distinct prime numbers
The prime factorization of 129372281 is 14489 × 8929.
Since it has a total of 2 prime factors.
9 , 10 , 34 , 89 , 906 , 195 , 285 , 3259 , 41263 , 34389 , 418259 , 835003 , 8356473 , 6629345 , 78412369 , 40897647 , 100790837 , 917870871 , 9289549739 , 3655599502
n×2
258744562
n×3
388116843
n×4
517489124
n×5
646861405
n÷2
64686140.5
n÷3
43124093.666667
n÷3
32343070.25
n÷5
25874456.2
n2
16737187091142961
n3
2.1653280715049E+24
n4
2.8013343172392E+32
n5
3.6241501046482E+40
2 √n
11374.193641749
3 √n
505.76302781481
4 √n
106.64986470572
5 √n
41.914881924679
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129372280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129372281 can be divided by 4 positive divisors.
The sum of these divisors (counting 129372281) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101100001000001111001
3
Ternary
100000102210101222
4
Quaternary
13231201001321
5
Quinary
231104403111
6
Senary
20500521425
8
Octal
755410171
10
Decimal
129372281
12
Duodecimal
373b0275
16
Hexadecimal
7b61079
20
Vigesimal
208bae1
36
Base36
250wah
md5
d2569a2a2e766ba8860c6024dfb77c77
sha1
36917001175b5d4cd54e03eaa017d250aafc232f
sha256
c061f1919ebb9c09ce73c56849e28c642789a91d0c310032f102fcdd9041d0d8
sha512
10a3888c40af8cce29ae46aa84a7d0a46a3ec2338139664c761188bc06bdd2a15d652ae553c2e4431a495e31b3280e27c23537357a0254a1e0f62c8e7a68307f
ripemd-160
6957d22ca9325d82faa7fedf4821a1ae8b891f80
Diameter
258744562
Circumference
812870015.13551
Area
5.2581424007293E+16
Volume
9.0701050160688E+24
Surface area
2.1032569602917E+17
Circumference
812870015.13551
Perimeter
517489124
Area
16737187091142961
Diagonal
182960034.38534
Surface area
100423122546857766
Volume
2.1653280715049E+24
Space diagonal
224079363.78308
Perimeter
388116843
Area
7.2474146044114E+15
Altitude
112039681.89154
Surface area
7.2474146044114E+15
Volume
2.5518636047579E+23
Height
60986678.128448