128379904 is an even 9-digits composite number following 128379903
and preceding 128379905 . In scientific notation, it is written as 1.28379904 × 10^8.
The sum of its digits is 43. It has a total of 11 prime factors and 22 positive divisors.
There are 64189440 positive integers (up to 128379904) that are relatively prime to 128379904.
128379904 has 22 divisors, whose sum is 256636484
The reverse of 128379904 is 409973821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million three hundred seventy-nine thousand nine hundred four
Scientific notation
1.28379904 × 10^8
Engineering notation
1.28379904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 125371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
11
Total number of prime factors
rad
Radical
250742
Product of the distinct prime numbers
The prime factorization of 128379904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 125371.
Since it has a total of 11 prime factors.
1 , 8 , 17 , 44 , 100 , 212 , 9696 , 9991 , 38312 , 62430 , 96499 , 34435 , 339510 , 8881912 , 64009217 , 58452145 , 674500011 , 487917414 , 3670854609 , 6107651191
n×2
256759808
n×3
385139712
n×4
513519616
n×5
641899520
n÷2
64189952
n÷3
42793301.333333
n÷3
32094976
n÷5
25675980.8
n2
16481399751049216
n3
2.1158805178253E+24
n4
2.7163653775389E+32
n5
3.4872672639736E+40
2 √n
11330.485603009
3 √n
504.46652025208
4 √n
106.44475375992
5 √n
41.850380346164
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 1024 , 125371 , 250742 , 501484 , 1002968 , 2005936 , 4011872 , 8023744 , 16047488 , 32094976 , 64189952 , 128379904
22 divisors
τ
Total Divisors
22
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128379903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.045454545454545
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
22
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128379904 can be divided by 22 positive divisors.
The sum of these divisors (counting 128379904) is 1, the average is 0.045454545454545.
Base
System
Value
2
Binary
111101001101110110000000000
3
Ternary
22221120101010021
4
Quaternary
13221232300000
5
Quinary
230331124104
6
Senary
20423343224
8
Octal
751566000
10
Decimal
128379904
12
Duodecimal
36bb1b14
16
Hexadecimal
7a6ec00
20
Vigesimal
20279f4
36
Base36
24fmkg
md5
44e3e929f4344d133b51239da775bfe8
sha1
5ed3660365e635bce9d8505eb327ff770819dc1f
sha256
c40b5e62011c161d2888e0e88826c834f77aeed4668dca81bfc9ffb154c8576b
sha512
8401bfd8a2f947ac4ecc325e850f6bee7f54abd4a79fda31af7e94066985b6bf43092bc6663c4f1adb73cb233ed3519cbad655ca6f4a1a5b781d2c32fe5b6ca6
ripemd-160
86e45536c0669bb3670a2d2e8066477f218aaaef
Diameter
256759808
Circumference
806634726.54993
Area
5.1777844378773E+16
Volume
8.8629795875651E+24
Surface area
2.0711137751509E+17
Circumference
806634726.54993
Perimeter
513519616
Area
16481399751049216
Diagonal
181556601.37296
Surface area
98888398506295296
Volume
2.1158805178253E+24
Space diagonal
222360516.39881
Perimeter
385139712
Area
7.1366554371676E+15
Altitude
111180258.19941
Surface area
7.1366554371676E+15
Volume
2.4935891038913E+23
Height
60518867.124319