128673902 is an even 9-digits composite number following 128673901
and preceding 128673903 . In scientific notation, it is written as 1.28673902 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 54320112 positive integers (up to 128673902) that are relatively prime to 128673902.
128673902 has 24 divisors, whose sum is 227885544
The reverse of 128673902 is 209376821
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million six hundred seventy-three thousand nine hundred two
Scientific notation
1.28673902 × 10^8
Engineering notation
1.28673902 × 10^6
Prime Factorization
2 × 7 × 7 × 67 × 19597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18381986
Product of the distinct prime numbers
The prime factorization of 128673902 is 2 × 7 × 7 × 67 × 19597.
Since it has a total of 5 prime factors.
7 , 3 , 22 , 5 , 496 , 618 , 9892 , 6140 , 3110 , 12677 , 669371 , 874846 , 4121182 , 9792761 , 17642732 , 99316769 , 651275870 , 499328482 , 4092302685 , 6868022431
n×2
257347804
n×3
386021706
n×4
514695608
n×5
643369510
n÷2
64336951
n÷3
42891300.666667
n÷3
32168475.5
n÷5
25734780.4
n2
16556973055905604
n3
2.1304503284122E+24
n4
2.7413335677398E+32
n5
3.5273808684467E+40
2 √n
11343.451943743
3 √n
504.85131328309
4 √n
106.50564277888
5 √n
41.869530808961
1 , 2 , 7 , 14 , 49 , 67 , 98 , 134 , 469 , 938 , 3283 , 6566 , 19597 , 39194 , 137179 , 274358 , 960253 , 1312999 , 1920506 , 2625998 , 9190993 , 18381986 , 64336951 , 128673902
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128673901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128673902 can be divided by 24 positive divisors.
The sum of these divisors (counting 128673902) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010110110100001101110
3
Ternary
22222010022102002
4
Quaternary
13222312201232
5
Quinary
230420031102
6
Senary
20433532302
8
Octal
752664156
10
Decimal
128673902
12
Duodecimal
37114092
16
Hexadecimal
7ab686e
20
Vigesimal
20444f2
36
Base36
24lxf2
md5
21b9ec92b0a545744a01286609ba827e
sha1
01b6f64167faba6d3a3b59fd8234edf238933d47
sha256
c20a1b73f47b1e2b1539153ad0655829526438809cf2d7b8c16cb814a89c5e38
sha512
47ba51f0189c5bfcce98a7909de4f926d97258829d344be97fe60c00a8340e3b07abf6c51680b319af9c6cc913572200f32a234f7b4d5ed4322499a97cd8cdbf
ripemd-160
9eb256b92da38e66de7229b8c68f92980608ce73
Diameter
257347804
Circumference
808481970.46387
Area
5.2015264918117E+16
Volume
8.9240094674371E+24
Surface area
2.0806105967247E+17
Circumference
808481970.46387
Perimeter
514695608
Area
16556973055905604
Diagonal
181972377.33187
Surface area
99341838335433624
Volume
2.1304503284122E+24
Space diagonal
222869735.87214
Perimeter
386021706
Area
7.1693796380944E+15
Altitude
111434867.93607
Surface area
7.1693796380944E+15
Volume
2.5107597903357E+23
Height
60657459.110622