129128045 is an odd 9-digits composite number following 129128044
and preceding 129128046 . In scientific notation, it is written as 1.29128045 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 103302432 positive integers (up to 129128045) that are relatively prime to 129128045.
129128045 has 4 divisors, whose sum is 154953660
The reverse of 129128045 is 540821921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-eight thousand forty-five
Scientific notation
1.29128045 × 10^8
Engineering notation
1.29128045 × 10^6
Prime Factorization
5 × 25825609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129128045
Product of the distinct prime numbers
The prime factorization of 129128045 is 5 × 25825609.
Since it has a total of 2 prime factors.
10 , 2 , 88 , 95 , 974 , 400 , 2049 , 831 , 67417 , 54502 , 497049 , 403630 , 3192988 , 7706911 , 83787111 , 59801062 , 502769775 , 895886281 , 7768311407 , 6790739290
n×2
258256090
n×3
387384135
n×4
516512180
n×5
645640225
n÷2
64564022.5
n÷3
43042681.666667
n÷3
32282011.25
n÷5
25825609
n2
16674052005522025
n3
2.1530877377014E+24
n4
2.7802401028285E+32
n5
3.5900696910885E+40
2 √n
11363.452160325
3 √n
505.44455837589
4 √n
106.59949418419
5 √n
41.899044123461
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
-129128044
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 129128045 can be divided by 4 positive divisors.
The sum of these divisors (counting 129128045) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100101011001101101
3
Ternary
22222222101101012
4
Quaternary
13230211121231
5
Quinary
231024044140
6
Senary
20451355005
8
Octal
754453155
10
Decimal
129128045
12
Duodecimal
372b2a65
16
Hexadecimal
7b2566d
20
Vigesimal
2071025
36
Base36
24vnu5
md5
00b34f9e7b63cb9808cd31f0cfeb6bf7
sha1
0dc8ac5b26743a4b06a4521d7613c14ab4e36de8
sha256
a70d6fae494071bdabe31a325f7c228d22fba2702b3a157438666844b8dd7000
sha512
e9f203f8e338fd8f6bb7592e53eeb74c7a5553bd6f939460c1a36319bda31da3a655a1ca4cebca0411220390f4190b010f6dbf7717fdfa9c3bd8566f5aa09aa9
ripemd-160
af3033450a00fe0532f3a210e16b18ffa917c788
Diameter
258256090
Circumference
811335435.08882
Area
5.2383079286122E+16
Volume
9.0188328257293E+24
Surface area
2.0953231714449E+17
Circumference
811335435.08882
Perimeter
516512180
Area
16674052005522025
Diagonal
182614632.52172
Surface area
100044312033132150
Volume
2.1530877377014E+24
Space diagonal
223656334.62204
Perimeter
387384135
Area
7.2200763104025E+15
Altitude
111828167.31102
Surface area
7.2200763104025E+15
Volume
2.5374382330304E+23
Height
60871544.173908