20188081 is an odd 8-digits prime number following 20188080
and preceding 20188082 . In scientific notation, it is written as 2.0188081 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20188080 positive integers (up to 20188081) that are relatively prime to 20188081.
20188081 has 2 divisors, whose sum is 20188082
The reverse of 20188081 is 18088102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred eighty-eight thousand eighty-one
Scientific notation
2.0188081 × 10^7
Engineering notation
2.0188081 × 10^6
Prime Factorization
20188081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20188081
Product of the distinct prime numbers
The prime factorization of 20188081 is 20188081.
Since it has a total of 1 prime factors.
4 , 5 , 34 , 95 , 102 , 157 , 1487 , 2618 , 45623 , 70120 , 947412 , 365479 , 7363130 , 9050385 , 84363410 , 92642320 , 183488467 , 55895529 , 3393320864 , 5149448006
n×2
40376162
n×3
60564243
n×4
80752324
n×5
100940405
n÷2
10094040.5
n÷3
6729360.3333333
n÷3
5047020.25
n÷5
4037616.2
n2
407558614462561
n3
8.227826321018E+21
n4
1.6610402422264E+29
n5
3.3533214954327E+36
2 √n
4493.1148438472
3 √n
272.28999222217
4 √n
67.030700756051
5 √n
28.908064011721
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20188082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10094041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.1149551286
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009316
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188081 can be divided by 2 positive divisors.
The sum of these divisors (counting 20188081) is 20188082, the average is 10094041.
Base
System
Value
2
Binary
1001101000000101110110001
3
Ternary
1101222122211201
4
Quaternary
1031000232301
5
Quinary
20132004311
6
Senary
2000411201
8
Octal
115005661
10
Decimal
20188081
12
Duodecimal
6916b01
16
Hexadecimal
1340bb1
20
Vigesimal
663a41
36
Base36
c0p81
md5
2962473579f110b6a09a50db14a7bce9
sha1
487a012efd6b812072f7062a5e8cb7db00c5d2ad
sha256
cd8f7139a235b8766844aae24df083d094f6fc823375b7d8f9d4a5a4fa927eeb
sha512
b453e9958c9d2cc866c050be533658fdf295c2c835fecb0c61e64fe72fd039a014f58d2d39a870edd42e33fc8144129433613dd0e446d46c2ab0a804190e193b
ripemd-160
83e7a9d0239a78ef08b7adbef3014562c25516fa
Diameter
40376162
Circumference
126845453.91935
Area
1.2803831491028E+15
Volume
3.4464638300164E+22
Surface area
5.1215325964113E+15
Circumference
126845453.91935
Perimeter
80752324
Area
407558614462561
Diagonal
28550257.948487
Surface area
2445351686775366
Volume
8.227826321018E+21
Space diagonal
34966781.999316
Perimeter
60564243
Area
1.7647805682788E+14
Altitude
17483390.999658
Surface area
1.7647805682788E+14
Volume
9.6965863100283E+20
Height
9516752.6494955