128844915 is an odd 9-digits composite number following 128844914
and preceding 128844916 . In scientific notation, it is written as 1.28844915 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 66859776 positive integers (up to 128844915) that are relatively prime to 128844915.
128844915 has 16 divisors, whose sum is 211724448
The reverse of 128844915 is 519448821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million eight hundred forty-four thousand nine hundred fifteen
Scientific notation
1.28844915 × 10^8
Engineering notation
1.28844915 × 10^6
Prime Factorization
5 × 3 × 37 × 232153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128844915
Product of the distinct prime numbers
The prime factorization of 128844915 is 5 × 3 × 37 × 232153.
Since it has a total of 4 prime factors.
2 , 6 , 34 , 55 , 266 , 438 , 2877 , 7644 , 21255 , 33696 , 366523 , 512548 , 3522257 , 672159 , 73858689 , 72731577 , 553452254 , 374302292 , 8451050221 , 8315098847
n×2
257689830
n×3
386534745
n×4
515379660
n×5
644224575
n÷2
64422457.5
n÷3
42948305
n÷3
32211228.75
n÷5
25768983
n2
16601012121357225
n3
2.1389559956902E+24
n4
2.7559360345345E+32
n5
3.5508834411503E+40
2 √n
11350.987401984
3 √n
505.07487044685
4 √n
106.54101276966
5 √n
41.880654168855
1 , 3 , 5 , 15 , 37 , 111 , 185 , 555 , 232153 , 696459 , 1160765 , 3482295 , 8589661 , 25768983 , 42948305 , 128844915
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
-128844914
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 128844915 can be divided by 16 positive divisors.
The sum of these divisors (counting 128844915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100000010001110011
3
Ternary
22222102222222220
4
Quaternary
13223200101303
5
Quinary
230441014130
6
Senary
20441332123
8
Octal
753402163
10
Decimal
128844915
12
Duodecimal
37197043
16
Hexadecimal
7ae0473
20
Vigesimal
2055c5f
36
Base36
24pldf
md5
c2cf1f420316b9582ee098c8bed93693
sha1
0d5abb83ffda6f4136ecef26232f97e0ff4e2a70
sha256
a1e560e409604f6f9bc9ad0511736959f29a294ad6f10fc7a8a2297873ce708d
sha512
88f96bb629e50305392d5663ce0e4c4e9edd8085d9a2b52b2d37e1c7324b12d28a57d10bb83c60ab09ced26f810510182a37fb1454a8bffffb91a1b12693b37d
ripemd-160
35fce6665fb42209fda339ec66cbd3b8d161c78d
Diameter
257689830
Circumference
809556476.8328
Area
5.2153617722611E+16
Volume
8.9596379232164E+24
Surface area
2.0861447089044E+17
Circumference
809556476.8328
Perimeter
515379660
Area
16601012121357225
Diagonal
182214226.23581
Surface area
99606072728143350
Volume
2.1389559956902E+24
Space diagonal
223165939.07689
Perimeter
386534745
Area
7.1884491128144E+15
Altitude
111582969.53845
Surface area
7.1884491128144E+15
Volume
2.5207838153537E+23
Height
60738075.411936