128998465 is an odd 9-digits composite number following 128998464
and preceding 128998466 . In scientific notation, it is written as 1.28998465 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 94500864 positive integers (up to 128998465) that are relatively prime to 128998465.
128998465 has 16 divisors, whose sum is 168337872
The reverse of 128998465 is 564899821
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-eight million nine hundred ninety-eight thousand four hundred sixty-five
Scientific notation
1.28998465 × 10^8
Engineering notation
1.28998465 × 10^6
Prime Factorization
37 × 5 × 17 × 41017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128998465
Product of the distinct prime numbers
The prime factorization of 128998465 is 37 × 5 × 17 × 41017.
Since it has a total of 4 prime factors.
3 , 6 , 4 , 14 , 182 , 708 , 830 , 2650 , 91836 , 709 , 144529 , 837639 , 9164731 , 8538147 , 92828513 , 90624611 , 950284673 , 965835891 , 7082048023 , 6647440967
n×2
257996930
n×3
386995395
n×4
515993860
n×5
644992325
n÷2
64499232.5
n÷3
42999488.333333
n÷3
32249616.25
n÷5
25799693
n2
16640603972356225
n3
2.1466123691069E+24
n4
2.769097005648E+32
n5
3.5720926316469E+40
2 √n
11357.749116792
3 √n
505.27543057631
4 √n
106.572740965
5 √n
41.8906316074
1 , 5 , 17 , 37 , 85 , 185 , 629 , 3145 , 41017 , 205085 , 697289 , 1517629 , 3486445 , 7588145 , 25799693 , 128998465
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
-128998464
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 128998465 can be divided by 16 positive divisors.
The sum of these divisors (counting 128998465) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100000101110001000001
3
Ternary
22222201210121221
4
Quaternary
13230011301001
5
Quinary
231010422330
6
Senary
20444515041
8
Octal
754056101
10
Decimal
128998465
12
Duodecimal
3724ba81
16
Hexadecimal
7b05c41
20
Vigesimal
2064g35
36
Base36
24svup
md5
11411cd2fe88ea1e12e09d0e4f1ac349
sha1
a21b124643050971f0b4e07d900500b6f589a08c
sha256
05eddccf45ad9e079c98d6b430fbe167a9190c872696d3583816ef71ee459c6b
sha512
d6e9dc48bd083b44435167524fe5eaa54e859b0265072b0cad09f5b219d5a27d56926cfb3eaf5efce7c5cb7dcada130625602208bbc6317b21354adb12ab3d29
ripemd-160
72738f87a92b5a8d9bbd33c016f3d88d5289e5b0
Diameter
257996930
Circumference
810521259.93672
Area
5.2277999190851E+16
Volume
8.9917088651881E+24
Surface area
2.0911199676341E+17
Circumference
810521259.93672
Perimeter
515993860
Area
16640603972356225
Diagonal
182431378.72831
Surface area
99843623834137350
Volume
2.1466123691069E+24
Space diagonal
223431895.4784
Perimeter
386995395
Area
7.2055928871884E+15
Altitude
111715947.7392
Surface area
7.2055928871884E+15
Volume
2.5298069379573E+23
Height
60810459.576104