21087973 (number)

21087973 is an odd 8-digits composite number following 21087972 and preceding 21087974. In scientific notation, it is written as 2.1087973 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19750080 positive integers (up to 21087973) that are relatively prime to 21087973.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred seventy-three

Notation

Scientific notation 2.1087973 × 10^7
Engineering notation 2.1087973 × 10^6

Prime Factorization of 21087973

Prime Factorization 17 × 211 × 5879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087973
Product of the distinct prime numbers

The prime factorization of 21087973 is 17 × 211 × 5879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087973)

Multiplication

n×y
n×2 42175946
n×3 63263919
n×4 84351892
n×5 105439865

Division

n÷y
n÷2 10543986.5
n÷3 7029324.3333333
n÷3 5271993.25
n÷5 4217594.6

Exponentiation

ny
n2 444702605248729
n3 9.3778765325149E+21
n4 1.9776040711501E+29
n5 4.1703661257103E+36

Nth Root

y√n
2√n 4592.1643045518
3√n 276.27713621353
4√n 67.765509697425
5√n 29.161305815392

Divisors of 21087973

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 -21087972
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 21087973 can be divided by 8 positive divisors. The sum of these divisors (counting 21087973) is 1, the average is 0.125.

Base conversion 21087973

Base System Value
2 Binary 1010000011100011011100101
3 Ternary 1110200101021001
4 Quaternary 1100130123211
5 Quinary 20344303343
6 Senary 2031553301
8 Octal 120343345
10 Decimal 21087973
12 Duodecimal 708b831
16 Hexadecimal 141c6e5
20 Vigesimal 6bfjid
36 Base36 cjzl1

Cryptographic Hash Functions

md5 97eab1bedab44d645e1dfb6073ba6e55
sha1 0327d9c8f1e879271fb149338cc989bdf6603899
sha256 007b464ad865a08505d2e8514fdf7c668abd09f092b7c4e967496fd35fc21410
sha512 47c8eb6dca6f2db9e182eb73cbba6f332c7e2f4866e330f5d1987a8fd698ccc2a8b39118b4df7678148c216b2d4ceefc0fe58cbd8fb663d902f1e3eb88f9b053
ripemd-160 093eb9b7a99b633ba45e2346ca105c413701d491

21087973 as geometric shapes

Circle

Radius = n
Diameter 42175946
Circumference 132499642.1118
Area 1.3970744376816E+15

Sphere

Radius = n
Volume 3.9281957361094E+22
Surface area 5.5882977507266E+15
Circumference 132499642.1118

Square

Length = n
Perimeter 84351892
Area 444702605248729
Diagonal 29822897.419558

Cube

Length = n
Surface area 2668215631492374
Volume 9.3778765325149E+21
Space diagonal 36525440.664641

Equilateral Triangle

Length = n
Perimeter 63263919
Area 1.9256187663726E+14
Altitude 18262720.33232

Triangular Pyramid

Length = n
Surface area 1.9256187663726E+14
Volume 1.1051933482119E+21
Height 9940965.8065192