128439200 is an even 9-digits composite number following 128439199
and preceding 128439201 . In scientific notation, it is written as 1.28439200 × 10^8.
The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors.
There are 49708800 positive integers (up to 128439200) that are relatively prime to 128439200.
128439200 has 24 divisors, whose sum is 253239840
The reverse of 128439200 is 002934821
Previous prime number is 775
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-eight million four hundred thirty-nine thousand two hundred
Scientific notation
1.28439200 × 10^8
Engineering notation
1.28439200 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 775 × 5179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8027450
Product of the distinct prime numbers
The prime factorization of 128439200 is 2 × 2 × 2 × 2 × 2 × 775 × 5179.
Since it has a total of 7 prime factors.
7 , 2 , 11 , 22 , 467 , 830 , 7123 , 4001 , 90085 , 58193 , 639387 , 299305 , 1068038 , 1324651 , 86225358 , 84730195 , 860137746 , 249145777 , 7397325734 , 2004116402
n×2
256878400
n×3
385317600
n×4
513756800
n×5
642196000
n÷2
64219600
n÷3
42813066.666667
n÷3
32109800
n÷5
25687840
n2
16496628096640000
n3
2.11881371543E+24
n4
2.7213873855885E+32
n5
3.4953281869508E+40
2 √n
11333.101958423
3 √n
504.54417581877
4 √n
106.45704278451
5 √n
41.854245595678
1 , 2 , 4 , 8 , 16 , 32 , 775 , 1550 , 3100 , 5179 , 6200 , 10358 , 12400 , 20716 , 24800 , 41432 , 82864 , 165728 , 4013725 , 8027450 , 16054900 , 32109800 , 64219600 , 128439200
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
-128439199
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 128439200 can be divided by 24 positive divisors.
The sum of these divisors (counting 128439200) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001111101001110100000
3
Ternary
22221200101110102
4
Quaternary
13221331032200
5
Quinary
230340023300
6
Senary
20424521532
8
Octal
751751640
10
Decimal
128439200
12
Duodecimal
370202a8
16
Hexadecimal
7a7d3a0
20
Vigesimal
202ei00
36
Base36
24gwbk
md5
a8534e3a15166836be0c4a7bc7169d11
sha1
600cfe2e08b17b0ec4ba4e2d071256f53d263b3d
sha256
7610908d6336ce4bcb9d597a31538935f449cc37b7426605eb1ffb9ecdd8c2ad
sha512
4dc9186346935db9ee016dc66ec447005e87a6eec18d2957c91cd8b7763d05bc8a88f04162380ddccbbce991bdf43ee1e831994eeda119053efdfe9ee4ba609b
ripemd-160
c30b6c67d85ca81d45688ced622ade3078f24587
Diameter
256878400
Circumference
807007294.3059
Area
5.1825685637407E+16
Volume
8.8752661369601E+24
Surface area
2.0730274254963E+17
Circumference
807007294.3059
Perimeter
513756800
Area
16496628096640000
Diagonal
181640458.58035
Surface area
98979768579840000
Volume
2.11881371543E+24
Space diagonal
222463220.0835
Perimeter
385317600
Area
7.1432495042372E+15
Altitude
111231610.04175
Surface area
7.1432495042372E+15
Volume
2.4970459104193E+23
Height
60546819.526783