128972206 is an even 9-digits composite number following 128972205
and preceding 128972207 . In scientific notation, it is written as 1.28972206 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 57908400 positive integers (up to 128972206) that are relatively prime to 128972206.
128972206 has 16 divisors, whose sum is 197437968
The reverse of 128972206 is 602279821
Previous prime number is 83
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million nine hundred seventy-two thousand two hundred six
Scientific notation
1.28972206 × 10^8
Engineering notation
1.28972206 × 10^6
Prime Factorization
2 × 121 × 83 × 6421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128972206
Product of the distinct prime numbers
The prime factorization of 128972206 is 2 × 121 × 83 × 6421.
Since it has a total of 4 prime factors.
1 , 6 , 44 , 36 , 841 , 336 , 2138 , 4198 , 73018 , 15322 , 95707 , 823411 , 3736301 , 6489305 , 845864 , 25028526 , 638566552 , 679847720 , 5471244872 , 7673016153
n×2
257944412
n×3
386916618
n×4
515888824
n×5
644861030
n÷2
64486103
n÷3
42990735.333333
n÷3
32243051.5
n÷5
25794441.2
n2
16633829920506436
n3
2.1453017390765E+24
n4
2.7668429782434E+32
n5
3.5684584255966E+40
2 √n
11356.593063063
3 √n
505.24114353288
4 √n
106.56731704919
5 √n
41.888926012417
1 , 2 , 83 , 121 , 166 , 242 , 6421 , 10043 , 12842 , 20086 , 532943 , 776941 , 1065886 , 1553882 , 64486103 , 128972206
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
-128972205
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 128972206 can be divided by 16 positive divisors.
The sum of these divisors (counting 128972206) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011111111010110101110
3
Ternary
22222200110121101
4
Quaternary
13223333112232
5
Quinary
231004102311
6
Senary
20444153314
8
Octal
753772656
10
Decimal
128972206
12
Duodecimal
3723883a
16
Hexadecimal
7aff5ae
20
Vigesimal
2061aa6
36
Base36
24sbla
md5
1e32bd04c19e6a91da0ec7d09ae3c5bb
sha1
20f281b755e1b1245775426a489e55d92578bffc
sha256
e22affd063f7c4f5c82c0e1a63ac86d69c0d4ea767fcb0dbfe81b4d5a4657d1b
sha512
c6e7afcc1e47a29c1006407c7ceccf07798d57837f4faa1732dd3557bbac4f9dbb484d7a6b9cec15db5b3434f52c70ed9ccbb9c69d172e615aa9a34adf77ec8a
ripemd-160
e6df9f6c9c5aead79af88aa0cbcb752516f4494a
Diameter
257944412
Circumference
810356269.77374
Area
5.2256717879325E+16
Volume
8.9862189109549E+24
Surface area
2.090268715173E+17
Circumference
810356269.77374
Perimeter
515888824
Area
16633829920506436
Diagonal
182394242.89438
Surface area
99802979523038616
Volume
2.1453017390765E+24
Space diagonal
223386413.55624
Perimeter
386916618
Area
7.2026596366941E+15
Altitude
111693206.77812
Surface area
7.2026596366941E+15
Volume
2.5282623456538E+23
Height
60798080.964792