20081031 (number)

20081031 is an odd 8-digits composite number following 20081030 and preceding 20081032. In scientific notation, it is written as 2.0081031 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 13376832 positive integers (up to 20081031) that are relatively prime to 20081031.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand thirty-one

Notation

Scientific notation 2.0081031 × 10^7
Engineering notation 2.0081031 × 10^6

Prime Factorization of 20081031

Prime Factorization 3 × 2153 × 3109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081031
Product of the distinct prime numbers

The prime factorization of 20081031 is 3 × 2153 × 3109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081031)

Multiplication

n×y
n×2 40162062
n×3 60243093
n×4 80324124
n×5 100405155

Division

n÷y
n÷2 10040515.5
n÷3 6693677
n÷3 5020257.75
n÷5 4016206.2

Exponentiation

ny
n2 403247806022961
n3 8.0976316934291E+21
n4 1.6260879306233E+29
n5 3.2653522143573E+36

Nth Root

y√n
2√n 4481.1863384599
3√n 271.80785431266
4√n 66.941663696535
5√n 28.877341002007

Divisors of 20081031

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 -20081030
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 20081031 can be divided by 8 positive divisors. The sum of these divisors (counting 20081031) is 1, the average is 0.125.

Base conversion 20081031

Base System Value
2 Binary 1001100100110100110000111
3 Ternary 1101210012222220
4 Quaternary 1030212212013
5 Quinary 20120043111
6 Senary 1554223423
8 Octal 114464607
10 Decimal 20081031
12 Duodecimal 6884b73
16 Hexadecimal 1326987
20 Vigesimal 65a2bb
36 Base36 byemf

Cryptographic Hash Functions

md5 6284451f48c10d274daa518d177e76a0
sha1 101b3663e02b487d23a2aea91c8f102e21d95c11
sha256 db4480a727f0f007e808cc9e04a85b6d8535b7f0b71bc2c84a3eae298613700e
sha512 f42f1762d953c8b272110f11375c6e3d4a351d26e8da3a7ea11b35aa2515fcd8d5ecb6e1f4f6086b3fa5fb4278b636fe50205c9cce937ac3a387e39b286af436
ripemd-160 a9d8420e0398f08f49ca056e4e996a0dcf6e34d1

20081031 as geometric shapes

Circle

Radius = n
Diameter 40162062
Circumference 126172838.93222
Area 1.2668403449779E+15

Sphere

Radius = n
Volume 3.3919280319404E+22
Surface area 5.0673613799117E+15
Circumference 126172838.93222

Square

Length = n
Perimeter 80324124
Area 403247806022961
Diagonal 28398866.386635

Cube

Length = n
Surface area 2419486836137766
Volume 8.0976316934291E+21
Space diagonal 34781365.960366

Equilateral Triangle

Length = n
Perimeter 60243093
Area 1.7461142201811E+14
Altitude 17390682.980183

Triangular Pyramid

Length = n
Surface area 1.7461142201811E+14
Volume 9.543150469958E+20
Height 9466288.7955449