128370209 is an odd 9-digits composite number following 128370208
and preceding 128370210 . In scientific notation, it is written as 1.28370209 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 116630800 positive integers (up to 128370209) that are relatively prime to 128370209.
128370209 has 8 divisors, whose sum is 140123520
The reverse of 128370209 is 902073821
Previous prime number is 4079
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million three hundred seventy thousand two hundred nine
Scientific notation
1.28370209 × 10^8
Engineering notation
1.28370209 × 10^6
Prime Factorization
11 × 4079 × 2861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128370209
Product of the distinct prime numbers
The prime factorization of 128370209 is 11 × 4079 × 2861.
Since it has a total of 3 prime factors.
5 , 7 , 16 , 62 , 959 , 825 , 6380 , 3608 , 1487 , 83261 , 69162 , 396179 , 5300882 , 6505480 , 33438903 , 71633465 , 508454315 , 398893654 , 7283574903 , 1491553533
n×2
256740418
n×3
385110627
n×4
513480836
n×5
641851045
n÷2
64185104.5
n÷3
42790069.666667
n÷3
32092552.25
n÷5
25674041.8
n2
16478910558703681
n3
2.1154011925131E+24
n4
2.7155449320176E+32
n5
3.4859507047198E+40
2 √n
11330.057766843
3 √n
504.45382115645
4 √n
106.44274407795
5 √n
41.849748235247
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128370208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128370209 can be divided by 8 positive divisors.
The sum of these divisors (counting 128370209) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001101100011000100001
3
Ternary
22221112212211012
4
Quaternary
13221230120201
5
Quinary
230330321314
6
Senary
20423230305
8
Octal
751543041
10
Decimal
128370209
12
Duodecimal
36ba8395
16
Hexadecimal
7a6c621
20
Vigesimal
20265a9
36
Base36
24ff35
md5
98ff23ace0f8cc338ba120ae63ecc2b4
sha1
4af2483d9ae430f0a0de8011c89412dd813adc7d
sha256
254f58339052a9ba3fb5cc27c8235ceb77fb6121e76f3cb8db48579a264c0171
sha512
dada5d6265571359ceea3fb8f4924012c6773522ab8194f2f7e6d6d188e98283d5f38cd4824b6087ce4cc2066dc2920835b7abee21f083b075f017c67367a5ed
ripemd-160
e65c0a29327609deb48edee2e78e7ee1314cf312
Diameter
256740418
Circumference
806573811.06837
Area
5.1770024350387E+16
Volume
8.8609717943923E+24
Surface area
2.0708009740155E+17
Circumference
806573811.06837
Perimeter
513480836
Area
16478910558703681
Diagonal
181542890.57247
Surface area
98873463352222086
Volume
2.1154011925131E+24
Space diagonal
222343724.16624
Perimeter
385110627
Area
7.1355775852645E+15
Altitude
111171862.08312
Surface area
7.1355775852645E+15
Volume
2.4930242135935E+23
Height
60514296.85749