20087931 (number)

20087931 is an odd 8-digits composite number following 20087930 and preceding 20087932. In scientific notation, it is written as 2.0087931 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12553344 positive integers (up to 20087931) that are relatively prime to 20087931.

Interesting facts

Basic properties

Name

Name twenty million eighty-seven thousand nine hundred thirty-one

Notation

Scientific notation 2.0087931 × 10^7
Engineering notation 2.0087931 × 10^6

Prime Factorization of 20087931

Prime Factorization 51 × 307 × 1283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20087931
Product of the distinct prime numbers

The prime factorization of 20087931 is 51 × 307 × 1283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20087931)

Multiplication

n×y
n×2 40175862
n×3 60263793
n×4 80351724
n×5 100439655

Division

n÷y
n÷2 10043965.5
n÷3 6695977
n÷3 5021982.75
n÷5 4017586.2

Exponentiation

ny
n2 403524971860761
n3 8.1059817915159E+21
n4 1.6283240291523E+29
n5 3.2709660743253E+36

Nth Root

y√n
2√n 4481.9561577508
3√n 271.83898251895
4√n 66.947413376103
5√n 28.879325225551

Divisors of 20087931

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 -20087930
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 20087931 can be divided by 8 positive divisors. The sum of these divisors (counting 20087931) is 1, the average is 0.125.

Base conversion 20087931

Base System Value
2 Binary 1001100101000010001111011
3 Ternary 1101210120110110
4 Quaternary 1030220101323
5 Quinary 20120303211
6 Senary 1554315403
8 Octal 114502173
10 Decimal 20087931
12 Duodecimal 6888b63
16 Hexadecimal 132847b
20 Vigesimal 65ajgb
36 Base36 byjy3

Cryptographic Hash Functions

md5 0d520a124fe5a608bd1719bc6b6b61c0
sha1 29dfb188184b0257d41c32587b1cf4c9b2f1a52f
sha256 80dba14716da2854ee7ee451c566cd3e88352c578e844ca69876d58b761f2750
sha512 0cdb148cb7b5b11ddd487ecfc153d77d83f1beb086650cdbe7156e809c0c8afc41902b8bd70811943e61c706ae267613e453f5f21e2e7374d1e504a5378c1dee
ripemd-160 02f84c4374bb146cd0f1a329c92fabd46de70cb0

20087931 as geometric shapes

Circle

Radius = n
Diameter 40175862
Circumference 126216192.91084
Area 1.2677110871378E+15

Sphere

Radius = n
Volume 3.3954257128479E+22
Surface area 5.0708443485512E+15
Circumference 126216192.91084

Square

Length = n
Perimeter 80351724
Area 403524971860761
Diagonal 28408624.460215

Cube

Length = n
Surface area 2421149831164566
Volume 8.1059817915159E+21
Space diagonal 34793317.110938

Equilateral Triangle

Length = n
Perimeter 60263793
Area 1.7473143834641E+14
Altitude 17396658.555469

Triangular Pyramid

Length = n
Surface area 1.7473143834641E+14
Volume 9.552991154926E+20
Height 9469541.4867383