20168081 is an odd 8-digits composite number following 20168080
and preceding 20168082 . In scientific notation, it is written as 2.0168081 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20158464 positive integers (up to 20168081) that are relatively prime to 20168081.
20168081 has 4 divisors, whose sum is 20177700
The reverse of 20168081 is 18086102
Previous prime number is 6529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred sixty-eight thousand eighty-one
Scientific notation
2.0168081 × 10^7
Engineering notation
2.0168081 × 10^6
Prime Factorization
6529 × 3089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20168081
Product of the distinct prime numbers
The prime factorization of 20168081 is 6529 × 3089.
Since it has a total of 2 prime factors.
8 , 5 , 78 , 75 , 889 , 11 , 7022 , 5623 , 69523 , 97683 , 194111 , 193035 , 310407 , 4194331 , 83396267 , 48867603 , 274007435 , 56584923 , 159871406 , 9819380169
n×2
40336162
n×3
60504243
n×4
80672324
n×5
100840405
n÷2
10084040.5
n÷3
6722693.6666667
n÷3
5042020.25
n÷5
4033616.2
n2
406751491222561
n3
8.2033970218474E+21
n4
1.6544677561178E+29
n5
3.3367439717271E+36
2 √n
4490.8886648413
3 √n
272.20004477265
4 √n
67.01409303155
5 √n
28.902333991849
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
-20168080
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 20168081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20168081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011110110010001
3
Ternary
1101221122101222
4
Quaternary
1030323312101
5
Quinary
20130334311
6
Senary
2000134425
8
Octal
114736621
10
Decimal
20168081
12
Duodecimal
6907415
16
Hexadecimal
133bd91
20
Vigesimal
661041
36
Base36
c09sh
md5
25d979d7d7ac7b2bdb91cc9485086787
sha1
d85c234112ed4f973a8519d75b9f05da1b839a12
sha256
e4244a6f7e1a0c149bc159f09475a53d979bd0a69f64348911c017062474a650
sha512
8e8bed1567fa480ba3257e311a171e2d8cd72483c4d61b99730251971fe794379af65c8dbbfcfbb21c394e6f5cc29a4d7f96039cbf102807f0b43ab165d05943
ripemd-160
fb20299f1d7866aa7aae1cbb3c8ee13667745fde
Diameter
40336162
Circumference
126719790.21321
Area
1.2778474966615E+15
Volume
3.4362309091088E+22
Surface area
5.111389986646E+15
Circumference
126719790.21321
Perimeter
80672324
Area
406751491222561
Diagonal
28521973.677239
Surface area
2440508947335366
Volume
8.2033970218474E+21
Space diagonal
34932140.983165
Perimeter
60504243
Area
1.7612856221297E+14
Altitude
17466070.491582
Surface area
1.7612856221297E+14
Volume
9.6677961048564E+20
Height
9507324.5590797