20168731 is an odd 8-digits composite number following 20168730
and preceding 20168732 . In scientific notation, it is written as 2.0168731 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18335200 positive integers (up to 20168731) that are relatively prime to 20168731.
20168731 has 4 divisors, whose sum is 22002264
The reverse of 20168731 is 13786102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred sixty-eight thousand seven hundred thirty-one
Scientific notation
2.0168731 × 10^7
Engineering notation
2.0168731 × 10^6
Prime Factorization
11 × 1833521
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20168731
Product of the distinct prime numbers
The prime factorization of 20168731 is 11 × 1833521.
Since it has a total of 2 prime factors.
3 , 2 , 39 , 1 , 399 , 709 , 147 , 6361 , 45712 , 10052 , 817985 , 464878 , 9160254 , 8891887 , 11699993 , 6300302 , 323432523 , 274203126 , 6658031076 , 4968000249
n×2
40337462
n×3
60506193
n×4
80674924
n×5
100843655
n÷2
10084365.5
n÷3
6722910.3333333
n÷3
5042182.75
n÷5
4033746.2
n2
406777710150361
n3
8.2041902128186E+21
n4
1.6546810547517E+29
n5
3.3372817084084E+36
2 √n
4490.9610330084
3 √n
272.20296899944
4 √n
67.014632976749
5 √n
28.902520288948
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
-20168730
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 20168731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20168731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100000000011011
3
Ternary
1101221200022001
4
Quaternary
1030330000123
5
Quinary
20130344411
6
Senary
2000141431
8
Octal
114740033
10
Decimal
20168731
12
Duodecimal
6907877
16
Hexadecimal
133c01b
20
Vigesimal
6611gb
36
Base36
c0aaj
md5
6f1067c28a34a47f161a35e1ef71472d
sha1
f2d39e864a38ccec77071071d0ef7eb9ca362758
sha256
8c695bae41d29a28dcffa1eaa088bd888c8647707e8bfd682b41ad206f16893f
sha512
fa522f9a7dd3db83cdcf1b6852d51ad19e3af49c769ba5cfeca22af0a968f5fbe8cb9a6d00b781a415e359bd5549aae00f367c86eaa8ac3d506414b004caed07
ripemd-160
5c5e0dd62ab5a28e303be3817fa5ab3dd45c9427
Diameter
40337462
Circumference
126723874.28366
Area
1.2779298658525E+15
Volume
3.4365631601659E+22
Surface area
5.1117194634098E+15
Circumference
126723874.28366
Perimeter
80674924
Area
406777710150361
Diagonal
28522892.916055
Surface area
2440666260902166
Volume
8.2041902128186E+21
Space diagonal
34933266.816189
Perimeter
60506193
Area
1.7613991534174E+14
Altitude
17466633.408095
Surface area
1.7613991534174E+14
Volume
9.6687308893806E+20
Height
9507630.9720182