128313979 is an odd 9-digits composite number following 128313978
and preceding 128313980 . In scientific notation, it is written as 1.28313979 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 128290320 positive integers (up to 128313979) that are relatively prime to 128313979.
128313979 has 4 divisors, whose sum is 128337640
The reverse of 128313979 is 979313821
Previous prime number is 8419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million three hundred thirteen thousand nine hundred seventy-nine
Scientific notation
1.28313979 × 10^8
Engineering notation
1.28313979 × 10^6
Prime Factorization
8419 × 15241
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128313979
Product of the distinct prime numbers
The prime factorization of 128313979 is 8419 × 15241.
Since it has a total of 2 prime factors.
1 , 8 , 86 , 86 , 775 , 518 , 904 , 6320 , 12385 , 72417 , 967367 , 98978 , 7622610 , 1559201 , 18702592 , 12966727 , 181772074 , 172420839 , 9633130216 , 6388962363
n×2
256627958
n×3
384941937
n×4
513255916
n×5
641569895
n÷2
64156989.5
n÷3
42771326.333333
n÷3
32078494.75
n÷5
25662795.8
n2
16464477206812441
n3
2.1126225825609E+24
n4
2.7107900969365E+32
n5
3.4783226357171E+40
2 √n
11327.576042561
3 √n
504.38015510046
4 √n
106.43108588453
5 √n
41.846081303829
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128313978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128313979 can be divided by 4 positive divisors.
The sum of these divisors (counting 128313979) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001011110101001111011
3
Ternary
22221110000200121
4
Quaternary
13221132221323
5
Quinary
230322021404
6
Senary
20422114111
8
Octal
751365173
10
Decimal
128313979
12
Duodecimal
36b7b937
16
Hexadecimal
7a5ea7b
20
Vigesimal
201j4ij
36
Base36
24e7p7
md5
c42ab76980cc7f3f8f6ab4fd4707a5af
sha1
30e7fe6d333ebd23eed3ac8fae9783326d884cb2
sha256
9952335007b110773e5fd666eba6c0d50f3a35ca1409ece9338bc6c33ff42ddb
sha512
3ccb4253682ec5fde0f676e525b017fda449bb27fc68fb1826eea8b15c0f162037668c27d5bc72b6f4989b61b6a194e26f9ac3b43c97f1fe976a7efadadbeb9a
ripemd-160
fd3824cc57c4f7724b91e7d29953ad9107f11175
Diameter
256627958
Circumference
806220507.55855
Area
5.1724680638119E+16
Volume
8.8493327802417E+24
Surface area
2.0689872255247E+17
Circumference
806220507.55855
Perimeter
513255916
Area
16464477206812441
Diagonal
181463369.34386
Surface area
98786863240874646
Volume
2.1126225825609E+24
Space diagonal
222246330.94933
Perimeter
384941937
Area
7.1293277605647E+15
Altitude
111123165.47466
Surface area
7.1293277605647E+15
Volume
2.4897495903611E+23
Height
60487789.781286