20731087 (number)

20731087 is an odd 8-digits composite number following 20731086 and preceding 20731088. In scientific notation, it is written as 2.0731087 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19102368 positive integers (up to 20731087) that are relatively prime to 20731087.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731087 × 10^7
Engineering notation 2.0731087 × 10^6

Prime Factorization of 20731087

Prime Factorization 13 × 773 × 2063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731087
Product of the distinct prime numbers

The prime factorization of 20731087 is 13 × 773 × 2063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 15, 84, 977, 303, 9461, 6083, 2268, 49747, 662152, 511564, 309387, 619970, 5141097, 76095055, 385237544, 173106171, 543799299, 7429051896

Basic calculations (n = 20731087)

Multiplication

n×y
n×2 41462174
n×3 62193261
n×4 82924348
n×5 103655435

Division

n÷y
n÷2 10365543.5
n÷3 6910362.3333333
n÷3 5182771.75
n÷5 4146217.4

Exponentiation

ny
n2 429777968201569
n3 8.90976444947E+21
n4 1.8470910195147E+29
n5 3.8292204622478E+36

Nth Root

y√n
2√n 4553.1403448609
3√n 274.70971904113
4√n 67.476961585869
5√n 29.061927488236

Divisors of 20731087

1, 13, 773, 2063, 10049, 26819, 1594699, 20731087

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 -20731086
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 20731087 can be divided by 8 positive divisors. The sum of these divisors (counting 20731087) is 1, the average is 0.125.

Base conversion 20731087

Base System Value
2 Binary 1001111000101010011001111
3 Ternary 1110000020201001
4 Quaternary 1033011103033
5 Quinary 20301343322
6 Senary 2020201131
8 Octal 117052317
10 Decimal 20731087
12 Duodecimal 6b391a7
16 Hexadecimal 13c54cf
20 Vigesimal 69b7e7
36 Base36 ccc7j

Cryptographic Hash Functions

md5 c70ea80cee26cb89b9bbd9b768016949
sha1 0e48552b2b84dafddf3a59f70bea7b232678d562
sha256 92f77f2cd7d52995160458bd7437b31500f0afcec391c0abdf992efa0b5acb9c
sha512 50ae2e907ea29dfc6bb40cdfe0d34bf0825180d89734fa033c57a36ae88ad15e9ddaaa46d3c5a62859725950e5be1e9f4f186889c440045a98c0b69b8306103c
ripemd-160 c5e176091e548160a5438397d4786956d6e505e2

20731087 as geometric shapes

Circle

Radius = n
Diameter 41462174
Circumference 130257261.24026
Area 1.3501873075768E+15

Sphere

Radius = n
Volume 3.7321134052894E+22
Surface area 5.4007492303072E+15
Circumference 130257261.24026

Square

Length = n
Perimeter 82924348
Area 429777968201569
Diagonal 29318184.398137

Cube

Length = n
Surface area 2578667809209414
Volume 8.90976444947E+21
Space diagonal 35907295.980131

Equilateral Triangle

Length = n
Perimeter 62193261
Area 1.8609931922471E+14
Altitude 17953647.990065

Triangular Pyramid

Length = n
Surface area 1.8609931922471E+14
Volume 1.0500258101658E+21
Height 9772728.1327122