128439704 is an even 9-digits composite number following 128439703
and preceding 128439705 . In scientific notation, it is written as 1.28439704 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 63339840 positive integers (up to 128439704) that are relatively prime to 128439704.
128439704 has 16 divisors, whose sum is 244124520
The reverse of 128439704 is 407934821
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million four hundred thirty-nine thousand seven hundred four
Scientific notation
1.28439704 × 10^8
Engineering notation
1.28439704 × 10^6
Prime Factorization
2 × 2 × 2 × 73 × 219931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32109926
Product of the distinct prime numbers
The prime factorization of 128439704 is 2 × 2 × 2 × 73 × 219931.
Since it has a total of 5 prime factors.
1 , 3 , 77 , 3 , 466 , 462 , 5061 , 2113 , 60353 , 59299 , 960487 , 383124 , 2866180 , 6946619 , 94734214 , 10729136 , 794076148 , 392145504 , 1855893404 , 1510153385
n×2
256879408
n×3
385319112
n×4
513758816
n×5
642198520
n÷2
64219852
n÷3
42813234.666667
n÷3
32109926
n÷5
25687940.8
n2
16496757563607616
n3
2.1188386584295E+24
n4
2.7214301011245E+32
n5
3.4953967664511E+40
2 √n
11333.124194149
3 √n
504.54483576769
4 √n
106.45714721966
5 √n
41.854278443137
1 , 2 , 4 , 8 , 73 , 146 , 292 , 584 , 219931 , 439862 , 879724 , 1759448 , 16054963 , 32109926 , 64219852 , 128439704
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128439703
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128439704 can be divided by 16 positive divisors.
The sum of these divisors (counting 128439704) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001111101010110011000
3
Ternary
22221200102011002
4
Quaternary
13221331112120
5
Quinary
230340032304
6
Senary
20424524132
8
Octal
751752630
10
Decimal
128439704
12
Duodecimal
37020648
16
Hexadecimal
7a7d598
20
Vigesimal
202ej54
36
Base36
24gwpk
md5
87a5be5ef89fa44795938250bb984e1f
sha1
f84293774572c480ad2f66fd8568108c373f6337
sha256
401448e5dfe9c74d32866fb6b565f70bdb9b0fa533e95db84511d4f53583431f
sha512
245e9c817b4584e6e3f3d059803a764a98ed8e2e62d4a5dee1c30b51d1ba3a3bedd81354b5c7d49f6197eab65d7f64d2c0446fc65728fe21fb14ebacda4cc0a6
ripemd-160
0caac516dd4ac46bca089d16f99aebf1ca09ddc4
Diameter
256879408
Circumference
807010461.0313
Area
5.1826092369882E+16
Volume
8.8753706179523E+24
Surface area
2.0730436947953E+17
Circumference
807010461.0313
Perimeter
513758816
Area
16496757563607616
Diagonal
181641171.34399
Surface area
98980545381645696
Volume
2.1188386584295E+24
Space diagonal
222464093.03711
Perimeter
385319112
Area
7.1433055650786E+15
Altitude
111232046.51855
Surface area
7.1433055650786E+15
Volume
2.4970753060262E+23
Height
60547057.114662