20640168 is an even 8-digits composite number following 20640167
and preceding 20640169 . In scientific notation, it is written as 2.0640168 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6800640 positive integers (up to 20640168) that are relatively prime to 20640168.
20640168 has 32 divisors, whose sum is 43497000
The reverse of 20640168 is 86104602
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred forty thousand one hundred sixty-eight
Scientific notation
2.0640168 × 10^7
Engineering notation
2.0640168 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 89 × 3221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5160042
Product of the distinct prime numbers
The prime factorization of 20640168 is 2 × 2 × 2 × 9 × 89 × 3221.
Since it has a total of 6 prime factors.
10 , 7 , 54 , 85 , 295 , 171 , 5750 , 2422 , 61172 , 85179 , 715115 , 567319 , 539403 , 5501212 , 68061032 , 65350635 , 490054157 , 808726328 , 9685107135 , 2366751680
n×2
41280336
n×3
61920504
n×4
82560672
n×5
103200840
n÷2
10320084
n÷3
6880056
n÷3
5160042
n÷5
4128033.6
n2
426016535068224
n3
8.793052854586E+21
n4
1.8149008815154E+29
n5
3.7459859097825E+36
2 √n
4543.1451660716
3 √n
274.30753825606
4 √n
67.402857254508
5 √n
29.036391645822
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 89 , 178 , 356 , 712 , 801 , 1602 , 3204 , 3221 , 6408 , 6442 , 12884 , 25768 , 28989 , 57978 , 115956 , 231912 , 286669 , 573338 , 1146676 , 2293352 , 2580021 , 5160042 , 10320084 , 20640168
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
-20640167
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 20640168 can be divided by 32 positive divisors.
The sum of these divisors (counting 20640168) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110101111000110101000
3
Ternary
1102211121222200
4
Quaternary
1032233012220
5
Quinary
20240441133
6
Senary
2014220200
8
Octal
116570650
10
Decimal
20640168
12
Duodecimal
6ab4660
16
Hexadecimal
13af1a8
20
Vigesimal
690088
36
Base36
cae20
md5
ec3ee5832fee0bec4b0327959094480d
sha1
40aa9f882ead9f29b9c030e3857064d8d89a8484
sha256
6ac8a157bccf41f9ee6bc1d05c463b1911789be6eb522994212631350906c32f
sha512
b2a6bc09c5d55f914e7e347ba7351408ee332b0a62ab3cb594666d16796536574744896c76d55ee2fea24ebd8f46adc22813a326edd42e442bb5ff9aaeca3486
ripemd-160
22caef558aba7e216d0675a0f774b3d81f482122
Diameter
41280336
Circumference
129686000.31532
Area
1.3383704168781E+15
Volume
3.6832253667459E+22
Surface area
5.3534816675124E+15
Circumference
129686000.31532
Perimeter
82560672
Area
426016535068224
Diagonal
29189605.515259
Surface area
2556099210409344
Volume
8.793052854586E+21
Space diagonal
35749819.652757
Perimeter
61920504
Area
1.8447057090065E+14
Altitude
17874909.826379
Surface area
1.8447057090065E+14
Volume
1.0362712168016E+21
Height
9729868.5050864