129442090 is an even 9-digits composite number following 129442089
and preceding 129442091 . In scientific notation, it is written as 1.29442090 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 51776832 positive integers (up to 129442090) that are relatively prime to 129442090.
129442090 has 8 divisors, whose sum is 232995780
The reverse of 129442090 is 090244921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million four hundred forty-two thousand ninety
Scientific notation
1.29442090 × 10^8
Engineering notation
1.29442090 × 10^6
Prime Factorization
2 × 5 × 12944209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129442090
Product of the distinct prime numbers
The prime factorization of 129442090 is 2 × 5 × 12944209.
Since it has a total of 3 prime factors.
7 , 6 , 89 , 67 , 355 , 526 , 5302 , 7995 , 18540 , 62081 , 543763 , 766022 , 623139 , 8559744 , 54239745 , 76149621 , 370216592 , 965934967 , 8865724431 , 7200054364
n×2
258884180
n×3
388326270
n×4
517768360
n×5
647210450
n÷2
64721045
n÷3
43147363.333333
n÷3
32360522.5
n÷5
25888418
n2
16755254663568100
n3
2.1688351821345E+24
n4
2.8073855884102E+32
n5
3.633938579997E+40
2 √n
11377.2619729
3 √n
505.85398099877
4 √n
106.6642488039
5 √n
41.919404384392
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129442089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129442090 can be divided by 8 positive divisors.
The sum of these divisors (counting 129442090) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110010000100101010
3
Ternary
100000120100011111
4
Quaternary
13231302010222
5
Quinary
231114121330
6
Senary
20502220534
8
Octal
755620452
10
Decimal
129442090
12
Duodecimal
3742474a
16
Hexadecimal
7b7212a
20
Vigesimal
209054a
36
Base36
252e5m
md5
56c3cdbf710ba474f56877534b09bbc3
sha1
2c3c8f52d03e2bda9bc3ef5b76e5a8d8d4fed815
sha256
d1e43c5468778767936de28374eeb1777d54b82895957306c2d3e9df4a76cbb8
sha512
ea9f5c87c8d6f9eaf7f471489aab9433b76de80fd92710e113fb35883666af5e8b62787aa12727f12ed8025fe55dbbc13d3b4206329861e68b77364d9e1be9eb
ripemd-160
acc8e8fa29b1ab2d2518fcb9fa4ec0a24556b159
Diameter
258884180
Circumference
813308638.01862
Area
5.2638184960092E+16
Volume
9.0847955667211E+24
Surface area
2.1055273984037E+17
Circumference
813308638.01862
Perimeter
517768360
Area
16755254663568100
Diagonal
183058759.21992
Surface area
100531527981408600
Volume
2.1688351821345E+24
Space diagonal
224200276.5179
Perimeter
388326270
Area
7.2552380927638E+15
Altitude
112100138.25895
Surface area
7.2552380927638E+15
Volume
2.5559967742721E+23
Height
61019586.40664