128844907 is an odd 9-digits composite number following 128844906
and preceding 128844908 . In scientific notation, it is written as 1.28844907 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 124324200 positive integers (up to 128844907) that are relatively prime to 128844907.
128844907 has 8 divisors, whose sum is 133443072
The reverse of 128844907 is 709448821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million eight hundred forty-four thousand nine hundred seven
Scientific notation
1.28844907 × 10^8
Engineering notation
1.28844907 × 10^6
Prime Factorization
71 × 47 × 38611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128844907
Product of the distinct prime numbers
The prime factorization of 128844907 is 71 × 47 × 38611.
Since it has a total of 3 prime factors.
10 , 6 , 22 , 12 , 776 , 213 , 4788 , 8122 , 72865 , 30672 , 563128 , 814940 , 5898164 , 6345472 , 77991219 , 40681408 , 361663831 , 188764582 , 8178203958 , 4548195292
n×2
257689814
n×3
386534721
n×4
515379628
n×5
644224535
n÷2
64422453.5
n÷3
42948302.333333
n÷3
32211226.75
n÷5
25768981.4
n2
16601010059838649
n3
2.138955597266E+24
n4
2.7559353500686E+32
n5
3.5508823387761E+40
2 √n
11350.987049592
3 √n
505.07485999345
4 √n
106.54101111587
5 √n
41.88065364878
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
-128844906
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 128844907 can be divided by 8 positive divisors.
The sum of these divisors (counting 128844907) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011100000010001101011
3
Ternary
22222102222222121
4
Quaternary
13223200101223
5
Quinary
230441014112
6
Senary
20441332111
8
Octal
753402153
10
Decimal
128844907
12
Duodecimal
37197037
16
Hexadecimal
7ae046b
20
Vigesimal
2055c57
36
Base36
24pld7
md5
b3397b99dc9c495d71e3f4e8a4c6791b
sha1
7d5237768842c9a2ab0675aca2ce345e12b73dda
sha256
1fdec122f4cc90f459e288e0b26cacbccdf59dfbf242f52561852b4c0e753ef1
sha512
97509d19d466ca8d64211f7cea2e7d73527177c69af3d4f80e1b725793c69a6b252dd8e0f6ae2ec2b105d890b8bd0ff7cb88b2c22a33b652700a1e9e7bdefb9c
ripemd-160
6181f9ef9452225cb349198940acfe04bb3863f3
Diameter
257689814
Circumference
809556426.56732
Area
5.2153611246159E+16
Volume
8.9596362543007E+24
Surface area
2.0861444498464E+17
Circumference
809556426.56732
Perimeter
515379628
Area
16601010059838649
Diagonal
182214214.9221
Surface area
99606060359031894
Volume
2.138955597266E+24
Space diagonal
223165925.22049
Perimeter
386534721
Area
7.1884482201506E+15
Altitude
111582962.61024
Surface area
7.1884482201506E+15
Volume
2.5207833458062E+23
Height
60738071.6407