128279982 is an even 9-digits composite number following 128279981
and preceding 128279983 . In scientific notation, it is written as 1.28279982 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 40309920 positive integers (up to 128279982) that are relatively prime to 128279982.
128279982 has 32 divisors, whose sum is 271393920
The reverse of 128279982 is 289972821
Previous prime number is 211
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million two hundred seventy-nine thousand nine hundred eighty-two
Scientific notation
1.28279982 × 10^8
Engineering notation
1.28279982 × 10^6
Prime Factorization
2 × 3 × 19 × 211 × 5333
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128279982
Product of the distinct prime numbers
The prime factorization of 128279982 is 2 × 3 × 19 × 211 × 5333.
Since it has a total of 5 prime factors.
10 , 8 , 23 , 29 , 244 , 303 , 2680 , 6413 , 95539 , 69242 , 824939 , 731194 , 783965 , 6074894 , 50245027 , 89764576 , 223567390 , 116622054 , 1627502470 , 4980572837
n×2
256559964
n×3
384839946
n×4
513119928
n×5
641399910
n÷2
64139991
n÷3
42759994
n÷3
32069995.5
n÷5
25655996.4
n2
16455753781920324
n3
2.1109437989412E+24
n4
2.7079183253119E+32
n5
3.4737171402847E+40
2 √n
11326.075313188
3 √n
504.33560571491
4 √n
106.42403541112
5 √n
41.843863631158
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 211 , 422 , 633 , 1266 , 4009 , 5333 , 8018 , 10666 , 12027 , 15999 , 24054 , 31998 , 101327 , 202654 , 303981 , 607962 , 1125263 , 2250526 , 3375789 , 6751578 , 21379997 , 42759994 , 64139991 , 128279982
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128279981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128279982 can be divided by 32 positive divisors.
The sum of these divisors (counting 128279982) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001010110010110101110
3
Ternary
22221101022001110
4
Quaternary
13221112112232
5
Quinary
230314424412
6
Senary
20421252450
8
Octal
751262656
10
Decimal
128279982
12
Duodecimal
36b64126
16
Hexadecimal
7a565ae
20
Vigesimal
201ejj2
36
Base36
24dhgu
md5
d86493c0ed1550067809564a2b8a2a5b
sha1
dfec0b9e0f67f9e040f64884c4179d4a9a0dd2ce
sha256
f8db355eb5adb13b4c3d3a7dc9d8c335ddceea7c95362cb093e906787467ad70
sha512
f9f93ecfe2f428dcd2090ee7d5f5bc31e27ec0f59a087c115b91ea7b64cad66522a6cd04c550e13895fdbae334afa4e294fba370bea06ab9cccc60298dbde1cb
ripemd-160
3e2f888095cf71fca6a3192629b4ea3bc7d84998
Diameter
256559964
Circumference
806006898.10766
Area
5.1697275190563E+16
Volume
8.8423007078593E+24
Surface area
2.0678910076225E+17
Circumference
806006898.10766
Perimeter
513119928
Area
16455753781920324
Diagonal
181415290.32538
Surface area
98734522691521944
Volume
2.1109437989412E+24
Space diagonal
222187446.41802
Perimeter
384839946
Area
7.1255504067824E+15
Altitude
111093723.20901
Surface area
7.1255504067824E+15
Volume
2.4877711248917E+23
Height
60471763.441792