20181371 is an odd 8-digits composite number following 20181370
and preceding 20181372 . In scientific notation, it is written as 2.0181371 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 17250408 positive integers (up to 20181371) that are relatively prime to 20181371.
20181371 has 8 divisors, whose sum is 23128320
The reverse of 20181371 is 17318102
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eighty-one thousand three hundred seventy-one
Scientific notation
2.0181371 × 10^7
Engineering notation
2.0181371 × 10^6
Prime Factorization
7 × 379 × 7607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20181371
Product of the distinct prime numbers
The prime factorization of 20181371 is 7 × 379 × 7607.
Since it has a total of 3 prime factors.
8 , 7 , 60 , 61 , 248 , 5 , 1961 , 8832 , 47943 , 43711 , 970732 , 897137 , 1253110 , 5828006 , 47842018 , 18843921 , 935670048 , 113664605 , 7147733060 , 5701805035
n×2
40362742
n×3
60544113
n×4
80725484
n×5
100906855
n÷2
10090685.5
n÷3
6727123.6666667
n÷3
5045342.75
n÷5
4036274.2
n2
407287735439641
n3
8.2196248926572E+21
n4
1.6588329943955E+29
n5
3.3477524086937E+36
2 √n
4492.3680837616
3 √n
272.25982147755
4 √n
67.025130240542
5 √n
28.906142096474
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181370
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181371 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181371) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000101111011
3
Ternary
1101222022122012
4
Quaternary
1030333011323
5
Quinary
20131300441
6
Senary
2000320135
8
Octal
114770573
10
Decimal
20181371
12
Duodecimal
691304b
16
Hexadecimal
133f17b
20
Vigesimal
662d8b
36
Base36
c0k1n
md5
482a651f563e0d44c41d15c7ed07dd7e
sha1
5402ee78fc1907094a9660fb0269fc23dbed7df3
sha256
7961e1388cb732589c33b66a6b16dee5de1b01a5497c90121e0f38e660638e09
sha512
e90959493c547c4597b3f2ec6a7a6a0d685dd1e1856c55168eefe71e2e932b69f6cd68db9adb12309bb070b44e494f31babc6ab362e2369bef615d84330b1055
ripemd-160
88b078afc592b63282bc3d0ff8e14fe186c7ec64
Diameter
40362742
Circumference
126803293.74594
Area
1.2795321575544E+15
Volume
3.4430284237381E+22
Surface area
5.1181286302176E+15
Circumference
126803293.74594
Perimeter
80725484
Area
407287735439641
Diagonal
28540768.575483
Surface area
2443726412637846
Volume
8.2196248926572E+21
Space diagonal
34955159.938397
Perimeter
60544113
Area
1.7636076277028E+14
Altitude
17477579.969199
Surface area
1.7636076277028E+14
Volume
9.6869208340128E+20
Height
9513589.525161