20091031 (number)

20091031 is an odd 8-digits composite number following 20091030 and preceding 20091032. In scientific notation, it is written as 2.0091031 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20038192 positive integers (up to 20091031) that are relatively prime to 20091031.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand thirty-one

Notation

Scientific notation 2.0091031 × 10^7
Engineering notation 2.0091031 × 10^6

Prime Factorization of 20091031

Prime Factorization 383 × 52457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20091031
Product of the distinct prime numbers

The prime factorization of 20091031 is 383 × 52457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091031)

Multiplication

n×y
n×2 40182062
n×3 60273093
n×4 80364124
n×5 100455155

Division

n÷y
n÷2 10045515.5
n÷3 6697010.3333333
n÷3 5022757.75
n÷5 4018206.2

Exponentiation

ny
n2 403649526642961
n3 8.1097351529191E+21
n4 1.6293294035909E+29
n5 3.2734907556756E+36

Nth Root

y√n
2√n 4482.3019755478
3√n 271.85296533447
4√n 66.949996083255
5√n 28.880216510795

Divisors of 20091031

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20091030
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20091031 can be divided by 4 positive divisors. The sum of these divisors (counting 20091031) is 1, the average is 0.25.

Base conversion 20091031

Base System Value
2 Binary 1001100101001000010010111
3 Ternary 1101210201201021
4 Quaternary 1030221002113
5 Quinary 20120403111
6 Senary 1554342011
8 Octal 114510227
10 Decimal 20091031
12 Duodecimal 688a907
16 Hexadecimal 1329097
20 Vigesimal 65b7bb
36 Base36 bymc7

Cryptographic Hash Functions

md5 8db0c5f3caeba2baee2499959194c23a
sha1 2ab82e5adc4cf97a0b491516ac40cae5ec1e7931
sha256 02b0e35840a995f07e4845d621e10a969682d762862ed224a8589ad04a9024ba
sha512 eacae1ce967618d09706e22dc55c98301a88ba874791adac5e38f7ef39be6d795134aa1f679d318f09794abbf3e0b39b028b8866277e3cca859e7989a4042376
ripemd-160 54c953cabae7bf80e3211ca0d869c819cb777023

20091031 as geometric shapes

Circle

Radius = n
Diameter 40182062
Circumference 126235670.78529
Area 1.2681023875265E+15

Sphere

Radius = n
Volume 3.3969979171959E+22
Surface area 5.0724095501061E+15
Circumference 126235670.78529

Square

Length = n
Perimeter 80364124
Area 403649526642961
Diagonal 28413008.522258

Cube

Length = n
Surface area 2421897159857766
Volume 8.1097351529191E+21
Space diagonal 34798686.468441

Equilateral Triangle

Length = n
Perimeter 60273093
Area 1.7478537214918E+14
Altitude 17399343.234221

Triangular Pyramid

Length = n
Surface area 1.7478537214918E+14
Volume 9.55741453376E+20
Height 9471002.8407528