128225979 is an odd 9-digits composite number following 128225978
and preceding 128225980 . In scientific notation, it is written as 1.28225979 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 71290368 positive integers (up to 128225979) that are relatively prime to 128225979.
128225979 has 16 divisors, whose sum is 167230400
The reverse of 128225979 is 979522821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million two hundred twenty-five thousand nine hundred seventy-nine
Scientific notation
1.28225979 × 10^8
Engineering notation
1.28225979 × 10^6
Prime Factorization
9 × 7 × 37 × 55009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128225979
Product of the distinct prime numbers
The prime factorization of 128225979 is 9 × 7 × 37 × 55009.
Since it has a total of 4 prime factors.
5 , 2 , 39 , 86 , 367 , 962 , 7613 , 3913 , 73315 , 29409 , 440269 , 857022 , 8131699 , 4713616 , 81986721 , 57475323 , 37408699 , 949069955 , 4089519041 , 2548130017
n×2
256451958
n×3
384677937
n×4
512903916
n×5
641129895
n÷2
64112989.5
n÷3
42741993
n÷3
32056494.75
n÷5
25645195.8
n2
16441901690508441
n3
2.1082789408872E+24
n4
2.7033613120034E+32
n5
3.4664115082237E+40
2 √n
11323.691050183
3 √n
504.26482444919
4 √n
106.41283310853
5 √n
41.84033997183
1 , 7 , 9 , 37 , 63 , 259 , 333 , 2331 , 55009 , 385063 , 495081 , 2035333 , 3465567 , 14247331 , 18317997 , 128225979
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
-128225978
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 128225979 can be divided by 16 positive divisors.
The sum of these divisors (counting 128225979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001001001010111011
3
Ternary
22221021112222100
4
Quaternary
13221021022323
5
Quinary
230311212404
6
Senary
20420154443
8
Octal
751111273
10
Decimal
128225979
12
Duodecimal
36b38a23
16
Hexadecimal
7a492bb
20
Vigesimal
20184ij
36
Base36
24cbsr
md5
5df8cac4407d9a31a34b895a37a896b4
sha1
bf476dc06006322fa2ea678512d107db1640f22e
sha256
d13e823acbc5b18ee2df6e5252858f87ffcc81d945b2170aaf6f154895490878
sha512
a4ea297df0c2e5e163283b82390f243adb6b97aa838156b6d1a7d319f19b02d4c4850a0f9cd8535d9b43b9fb4a31eccd01e245faf57c9c55c766fe71a9874c24
ripemd-160
6f95530b349a690cc00bfb94ac20e375eb1b2882
Diameter
256451958
Circumference
805667587.25152
Area
5.1653757561947E+16
Volume
8.8311381765457E+24
Surface area
2.0661503024779E+17
Circumference
805667587.25152
Perimeter
512903916
Area
16441901690508441
Diagonal
181338918.55037
Surface area
98651410143050646
Volume
2.1082789408872E+24
Space diagonal
222093910.47826
Perimeter
384677937
Area
7.1195522752533E+15
Altitude
111046955.23913
Surface area
7.1195522752533E+15
Volume
2.4846305595569E+23
Height
60446306.183456