20081081 (number)

20081081 is an odd 8-digits composite number following 20081080 and preceding 20081082. In scientific notation, it is written as 2.0081081 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18930240 positive integers (up to 20081081) that are relatively prime to 20081081.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand eighty-one

Notation

Scientific notation 2.0081081 × 10^7
Engineering notation 2.0081081 × 10^6

Prime Factorization of 20081081

Prime Factorization 19 × 5009 × 211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081081
Product of the distinct prime numbers

The prime factorization of 20081081 is 19 × 5009 × 211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081081)

Multiplication

n×y
n×2 40162162
n×3 60243243
n×4 80324324
n×5 100405405

Division

n÷y
n÷2 10040540.5
n÷3 6693693.6666667
n÷3 5020270.25
n÷5 4016216.2

Exponentiation

ny
n2 403249814128561
n3 8.0976921807506E+21
n4 1.6261041259472E+29
n5 3.265392866758E+36

Nth Root

y√n
2√n 4481.1919173363
3√n 271.80807990501
4√n 66.941705366209
5√n 28.8773553824

Divisors of 20081081

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 -20081080
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 20081081 can be divided by 8 positive divisors. The sum of these divisors (counting 20081081) is 1, the average is 0.125.

Base conversion 20081081

Base System Value
2 Binary 1001100100110100110111001
3 Ternary 1101210020001202
4 Quaternary 1030212212321
5 Quinary 20120043311
6 Senary 1554223545
8 Octal 114464671
10 Decimal 20081081
12 Duodecimal 6884bb5
16 Hexadecimal 13269b9
20 Vigesimal 65a2e1
36 Base36 byent

Cryptographic Hash Functions

md5 363e0f11e5d8a3a9fa1026a19ee19de2
sha1 ddbec159b9c15b55d2d09d4e4e13805237d35090
sha256 454437bea316bd91508a3b141180677722a3c68bfda7ddf420ca53390c0f6f5c
sha512 15af2f4198a4469be9316cab44f44cc97d2c1c8e06ca83a816b831c5293fb7aecc2a295e418fa88d8bcd1f4776d1202c40f5b104b6618a29c21dd189cd34f8eb
ripemd-160 abcb1b5e1571907c8e8c85b78555c65a51b2158d

20081081 as geometric shapes

Circle

Radius = n
Diameter 40162162
Circumference 126173153.09148
Area 1.2668466536277E+15

Sphere

Radius = n
Volume 3.3919533688103E+22
Surface area 5.0673866145109E+15
Circumference 126173153.09148

Square

Length = n
Perimeter 80324324
Area 403249814128561
Diagonal 28398937.097313

Cube

Length = n
Surface area 2419498884771366
Volume 8.0976921807506E+21
Space diagonal 34781452.562906

Equilateral Triangle

Length = n
Perimeter 60243243
Area 1.7461229155334E+14
Altitude 17390726.281453

Triangular Pyramid

Length = n
Surface area 1.7461229155334E+14
Volume 9.54322175495E+20
Height 9466312.3657709