20181793 is an odd 8-digits prime number following 20181792
and preceding 20181794 . In scientific notation, it is written as 2.0181793 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20181792 positive integers (up to 20181793) that are relatively prime to 20181793.
20181793 has 2 divisors, whose sum is 20181794
The reverse of 20181793 is 39718102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-one thousand seven hundred ninety-three
Scientific notation
2.0181793 × 10^7
Engineering notation
2.0181793 × 10^6
Prime Factorization
20181793
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20181793
Product of the distinct prime numbers
The prime factorization of 20181793 is 20181793.
Since it has a total of 1 prime factors.
7 , 3 , 23 , 26 , 134 , 528 , 9368 , 6107 , 58002 , 56271 , 461129 , 959978 , 8092573 , 5637702 , 37192744 , 52457231 , 991312127 , 331053674 , 3005386852 , 9169158368
n×2
40363586
n×3
60545379
n×4
80727172
n×5
100908965
n÷2
10090896.5
n÷3
6727264.3333333
n÷3
5045448.25
n÷5
4036358.6
n2
407304768694849
n3
8.2201405297123E+21
n4
1.6589717460156E+29
n5
3.3481024370936E+36
2 √n
4492.4150520628
3 √n
272.26171914915
4 √n
67.025480617917
5 √n
28.906262983107
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20181794
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10090897
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4492.4151633615
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009008
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181793 can be divided by 2 positive divisors.
The sum of these divisors (counting 20181793) is 20181794, the average is 10090897.
Base
System
Value
2
Binary
1001100111111001100100001
3
Ternary
1101222100012211
4
Quaternary
1030333030201
5
Quinary
20131304133
6
Senary
2000322121
8
Octal
114771441
10
Decimal
20181793
12
Duodecimal
6913341
16
Hexadecimal
133f321
20
Vigesimal
662e9d
36
Base36
c0kdd
md5
13c48313ed38df66693075d50477f39a
sha1
68387023dfba748d75690cad0c593d2fe61c0ad7
sha256
581ac8c0e307dbbfa96bccefba5559b87ae6d3f94e9cace331ab099db545718c
sha512
5b4f55b92c8f4a8c0f38716e2424ddf1c5b61b7ce4ca9fbd73111f0c6c8d2615965bc4f863322449186f79ab9a4fadb98e109aceff3963fd8de2ee1fa28bcc54
ripemd-160
28c5770232fb160d74b524b706b6b978f5ff5e61
Diameter
40363586
Circumference
126805945.25014
Area
1.2795856691038E+15
Volume
3.4432444132827E+22
Surface area
5.1183426764153E+15
Circumference
126805945.25014
Perimeter
80727172
Area
407304768694849
Diagonal
28541365.373606
Surface area
2443828612169094
Volume
8.2201405297123E+21
Space diagonal
34955890.863838
Perimeter
60545379
Area
1.7636813838614E+14
Altitude
17477945.431919
Surface area
1.7636813838614E+14
Volume
9.6875285181099E+20
Height
9513788.4578688