21932987 (number)

21932987 is an odd 8-digits composite number following 21932986 and preceding 21932988. In scientific notation, it is written as 2.1932987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21876216 positive integers (up to 21932987) that are relatively prime to 21932987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1932987 × 10^7
Engineering notation 2.1932987 × 10^6

Prime Factorization of 21932987

Prime Factorization 389 × 56383

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21932987
Product of the distinct prime numbers

The prime factorization of 21932987 is 389 × 56383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21932987)

Multiplication

n×y
n×2 43865974
n×3 65798961
n×4 87731948
n×5 109664935

Division

n÷y
n÷2 10966493.5
n÷3 7310995.6666667
n÷3 5483246.75
n÷5 4386597.4

Exponentiation

ny
n2 481055918742169
n3 1.0550993212045E+22
n4 2.3141479695687E+29
n5 5.0756177332627E+36

Nth Root

y√n
2√n 4683.2667017799
3√n 279.91913906546
4√n 68.434397065948
5√n 29.391351471883

Divisors of 21932987

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 -21932986
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 21932987 can be divided by 4 positive divisors. The sum of these divisors (counting 21932987) is 1, the average is 0.25.

Base conversion 21932987

Base System Value
2 Binary 1010011101010101110111011
3 Ternary 1112021022101212
4 Quaternary 1103222232323
5 Quinary 21103323422
6 Senary 2102033335
8 Octal 123525673
10 Decimal 21932987
12 Duodecimal 741884b
16 Hexadecimal 14eabbb
20 Vigesimal 6h1c97
36 Base36 d23ln

Cryptographic Hash Functions

md5 edfdb3000273d1c34af4d892f20507dc
sha1 65cb2de7f2568c5b6942bac9381d61418299c115
sha256 a656cfc60667d65dc5b214edad6139f62b236b3dd995e7b6b4437cac25b69d1a
sha512 87789920e57fd9e4b6680886980d89910daa96151334fe45f63e34c350ae3cac144bbe2431df00f2c8df80be655ed61214000d900de42620e72477dd61875849
ripemd-160 74cc45bb86cf07e53d19375b0347f905064a6196

21932987 as geometric shapes

Circle

Radius = n
Diameter 43865974
Circumference 137809021.66096
Area 1.5112817402863E+15

Sphere

Radius = n
Volume 4.4195897017382E+22
Surface area 6.0451269611451E+15
Circumference 137809021.66096

Square

Length = n
Perimeter 87731948
Area 481055918742169
Diagonal 31017927.678753

Cube

Length = n
Surface area 2886335512453014
Volume 1.0550993212045E+22
Space diagonal 37989047.845748

Equilateral Triangle

Length = n
Perimeter 65798961
Area 2.0830332313579E+14
Altitude 18994523.922874

Triangular Pyramid

Length = n
Surface area 2.0830332313579E+14
Volume 1.2434464747484E+21
Height 10339309.226251