129643145 is an odd 9-digits composite number following 129643144
and preceding 129643146 . In scientific notation, it is written as 1.29643145 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 103714512 positive integers (up to 129643145) that are relatively prime to 129643145.
129643145 has 4 divisors, whose sum is 155571780
The reverse of 129643145 is 541346921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million six hundred forty-three thousand one hundred forty-five
Scientific notation
1.29643145 × 10^8
Engineering notation
1.29643145 × 10^6
Prime Factorization
5 × 25928629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129643145
Product of the distinct prime numbers
The prime factorization of 129643145 is 5 × 25928629.
Since it has a total of 2 prime factors.
4 , 9 , 38 , 35 , 868 , 458 , 4332 , 730 , 94938 , 7449 , 594460 , 399991 , 6324784 , 2778373 , 66435658 , 32528231 , 961179010 , 887700322 , 2301957777 , 7940409055
n×2
259286290
n×3
388929435
n×4
518572580
n×5
648215725
n÷2
64821572.5
n÷3
43214381.666667
n÷3
32410786.25
n÷5
25928629
n2
16807345045491025
n3
2.1789570707976E+24
n4
2.8248684747819E+32
n5
3.6622483328208E+40
2 √n
11386.094369888
3 √n
506.11575020715
4 √n
106.70564357094
5 √n
41.932418504243
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
-129643144
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 129643145 can be divided by 4 positive divisors.
The sum of these divisors (counting 129643145) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100011001010001001
3
Ternary
100000221112221222
4
Quaternary
13232203022021
5
Quinary
231142040040
6
Senary
20510411425
8
Octal
756431211
10
Decimal
129643145
12
Duodecimal
37500b75
16
Hexadecimal
7ba3289
20
Vigesimal
20a57h5
36
Base36
256pah
md5
56d3b3e52a624a74e19a801556694eb4
sha1
dcc502c4ec2522026b78a95aabac390c43bc33a2
sha256
ac86cb2fdc125cc3081d4c87fdb3033660286e659a3ddc7f4342af8e972180a7
sha512
8cba5e13440293d75dcfd543a34b00c239ec3f1d1295333f4a1417b584ab57ae696b47c72b3edacb19158da1049d3885b32dda695b58d707811f0973733b58a2
ripemd-160
d1642326ba20465d2aedd6a1a1b76523b35d6f60
Diameter
259286290
Circumference
814571903.84055
Area
5.2801831721263E+16
Volume
9.1271940348071E+24
Surface area
2.1120732688505E+17
Circumference
814571903.84055
Perimeter
518572580
Area
16807345045491025
Diagonal
183343093.9277
Surface area
100844070272946150
Volume
2.1789570707976E+24
Space diagonal
224548513.99302
Perimeter
388929435
Area
7.2777938897829E+15
Altitude
112274256.99651
Surface area
7.2777938897829E+15
Volume
2.567925534459E+23
Height
61114364.642567