21559985 (number)

21559985 is an odd 8-digits composite number following 21559984 and preceding 21559986. In scientific notation, it is written as 2.1559985 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 16846704 positive integers (up to 21559985) that are relatively prime to 21559985.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.1559985 × 10^7
Engineering notation 2.1559985 × 10^6

Prime Factorization of 21559985

Prime Factorization 5 × 43 × 100279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21559985
Product of the distinct prime numbers

The prime factorization of 21559985 is 5 × 43 × 100279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21559985)

Multiplication

n×y
n×2 43119970
n×3 64679955
n×4 86239940
n×5 107799925

Division

n÷y
n÷2 10779992.5
n÷3 7186661.6666667
n÷3 5389996.25
n÷5 4311997

Exponentiation

ny
n2 464832953200225
n3 1.0021791498503E+22
n4 2.1606967438084E+29
n5 4.6584589386058E+36

Nth Root

y√n
2√n 4643.2730912579
3√n 278.32324854596
4√n 68.141566545376
5√n 29.290695962532

Divisors of 21559985

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 -21559984
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 21559985 can be divided by 8 positive divisors. The sum of these divisors (counting 21559985) is 1, the average is 0.125.

Base conversion 21559985

Base System Value
2 Binary 1010010001111101010110001
3 Ternary 1111120100201222
4 Quaternary 1102033222301
5 Quinary 21004404420
6 Senary 2050034425
8 Octal 122175261
10 Decimal 21559985
12 Duodecimal 7278a15
16 Hexadecimal 148fab1
20 Vigesimal 6eejj5
36 Base36 cu3sh

Cryptographic Hash Functions

md5 16dc8a12afd0c67245558df542e06346
sha1 6713a0c23b68e423eeecc490b882a77909e95b63
sha256 60007ecd06881274a58d42b5e3093ccc549099076925e6f91a4d507d00d1ab4c
sha512 430fc9e0113ef81feb46cd701a6eb7fc22bb2a93623d986a4a6280e0f85e6f52068e028728dcd8c32a07dec4a9a199d8893504921d3dc81fbb9c9a9590c48713
ripemd-160 2c821933cc69e63a66aee505f0551e8d52e34b11

21559985 as geometric shapes

Circle

Radius = n
Diameter 43119970
Circumference 135465380.97501
Area 1.4603157909203E+15

Sphere

Radius = n
Volume 4.1979182063339E+22
Surface area 5.8412631636811E+15
Circumference 135465380.97501

Square

Length = n
Perimeter 86239940
Area 464832953200225
Diagonal 30490423.19156

Cube

Length = n
Surface area 2788997719201350
Volume 1.0021791498503E+22
Space diagonal 37342989.430423

Equilateral Triangle

Length = n
Perimeter 64679955
Area 2.0127857299377E+14
Altitude 18671494.715211

Triangular Pyramid

Length = n
Surface area 2.0127857299377E+14
Volume 1.1810794547048E+21
Height 10163474.397187