128439458 is an even 9-digits composite number following 128439457
and preceding 128439459 . In scientific notation, it is written as 1.28439458 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 54006576 positive integers (up to 128439458) that are relatively prime to 128439458.
128439458 has 16 divisors, whose sum is 224337600
The reverse of 128439458 is 854934821
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million four hundred thirty-nine thousand four hundred fifty-eight
Scientific notation
1.28439458 × 10^8
Engineering notation
1.28439458 × 10^6
Prime Factorization
2 × 7 × 53 × 173099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128439458
Product of the distinct prime numbers
The prime factorization of 128439458 is 2 × 7 × 53 × 173099.
Since it has a total of 4 prime factors.
6 , 4 , 68 , 95 , 728 , 546 , 3438 , 9116 , 50371 , 93409 , 907462 , 423142 , 4790402 , 7264242 , 71894791 , 92129796 , 758217715 , 54594907 , 3813565271 , 9625775379
n×2
256878916
n×3
385318374
n×4
513757832
n×5
642197290
n÷2
64219729
n÷3
42813152.666667
n÷3
32109864.5
n÷5
25687891.6
n2
16496694371333764
n3
2.1188264838458E+24
n4
2.721409251812E+32
n5
3.4953632929891E+40
2 √n
11333.113341002
3 √n
504.54451364998
4 √n
106.4570962454
5 √n
41.854262410462
1 , 2 , 7 , 14 , 53 , 106 , 371 , 742 , 173099 , 346198 , 1211693 , 2423386 , 9174247 , 18348494 , 64219729 , 128439458
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
-128439457
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 128439458 can be divided by 16 positive divisors.
The sum of these divisors (counting 128439458) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001111101010010100010
3
Ternary
22221200101210222
4
Quaternary
13221331102202
5
Quinary
230340030313
6
Senary
20424523042
8
Octal
751752242
10
Decimal
128439458
12
Duodecimal
37020482
16
Hexadecimal
7a7d4a2
20
Vigesimal
202eici
36
Base36
24gwiq
md5
11e1bfd900ac29ad1f2cd17786c60738
sha1
fac9899c9e0053f7f857603c7e7e8bcbe8dc69a6
sha256
51208828df87386b25edb9a65522db7deff78fc0410bbef6da1f67082ee79fc8
sha512
dcf85546f8fad3ade85ff47c0a89e122faaf32db70b762c2335223cad570fd1614442c89f9d2789200d38e5fbc1cba124c1ff4a737f244e2b094f11bdb510f38
ripemd-160
d4a4f85b79c0d2a9766c5325e26ceb4e8082d9ae
Diameter
256878916
Circumference
807008915.36771
Area
5.1825893845498E+16
Volume
8.8753196211751E+24
Surface area
2.0730357538199E+17
Circumference
807008915.36771
Perimeter
513757832
Area
16496694371333764
Diagonal
181640823.44745
Surface area
98980166228002584
Volume
2.1188264838458E+24
Space diagonal
222463666.95261
Perimeter
385318374
Area
7.1432782020214E+15
Altitude
111231833.4763
Surface area
7.1432782020214E+15
Volume
2.4970609581416E+23
Height
60546941.14915