128839617 is an odd 9-digits composite number following 128839616
and preceding 128839618 . In scientific notation, it is written as 1.28839617 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 80840448 positive integers (up to 128839617) that are relatively prime to 128839617.
128839617 has 8 divisors, whose sum is 151576200
The reverse of 128839617 is 716938821
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million eight hundred thirty-nine thousand six hundred seventeen
Scientific notation
1.28839617 × 10^8
Engineering notation
1.28839617 × 10^6
Prime Factorization
9 × 17 × 842089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128839617
Product of the distinct prime numbers
The prime factorization of 128839617 is 9 × 17 × 842089.
Since it has a total of 3 prime factors.
8 , 7 , 100 , 91 , 380 , 733 , 4444 , 1071 , 33017 , 35670 , 337425 , 907403 , 130794 , 648994 , 87774560 , 77304479 , 748058534 , 697585968 , 3637359066 , 3878806952
n×2
257679234
n×3
386518851
n×4
515358468
n×5
644198085
n÷2
64419808.5
n÷3
42946539
n÷3
32209904.25
n÷5
25767923.4
n2
16599646908706689
n3
2.138692150053E+24
n4
2.7554827749374E+32
n5
3.5501534537303E+40
2 √n
11350.754027817
3 √n
505.06794759353
4 √n
106.53991753243
5 √n
41.88030974338
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
-128839616
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 128839617 can be divided by 8 positive divisors.
The sum of these divisors (counting 128839617) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011011110111111000001
3
Ternary
22222102201201200
4
Quaternary
13223132333001
5
Quinary
230440331432
6
Senary
20441251413
8
Octal
753367701
10
Decimal
128839617
12
Duodecimal
37193b69
16
Hexadecimal
7adefc1
20
Vigesimal
2054j0h
36
Base36
24pha9
md5
13546e8db2d3321d5ada0628fda6cd3e
sha1
18ad0e5fb7f157637ab008e1fcfbdb3a6bf3c973
sha256
b0ff80ae4b7220a34f34153a73a46b6550e58437d0875262c00339867d4d535f
sha512
ee139e649ea60051778805d30c6a7c17ba726e7aad12f21fe83fcded20ff1cf96a5641eaec7312b68a83c4d5cb885ad557568af46ad165f18734c49ba0135c9b
ripemd-160
9cc2d2bd56a7ded5fca335b35b086e1f4df7243d
Diameter
257679234
Circumference
809523188.51705
Area
5.2149328780577E+16
Volume
8.9585327291956E+24
Surface area
2.0859731512231E+17
Circumference
809523188.51705
Perimeter
515358468
Area
16599646908706689
Diagonal
182206733.73236
Surface area
99597881452240134
Volume
2.138692150053E+24
Space diagonal
223156762.67171
Perimeter
386518851
Area
7.1878579583959E+15
Altitude
111578381.33586
Surface area
7.1878579583959E+15
Volume
2.5204728702882E+23
Height
60735577.910785