21532989 (number)

21532989 is an odd 8-digits composite number following 21532988 and preceding 21532990. In scientific notation, it is written as 2.1532989 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14355324 positive integers (up to 21532989) that are relatively prime to 21532989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1532989 × 10^7
Engineering notation 2.1532989 × 10^6

Prime Factorization of 21532989

Prime Factorization 3 × 7177663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21532989
Product of the distinct prime numbers

The prime factorization of 21532989 is 3 × 7177663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21532989)

Multiplication

n×y
n×2 43065978
n×3 64598967
n×4 86131956
n×5 107664945

Division

n÷y
n÷2 10766494.5
n÷3 7177663
n÷3 5383247.25
n÷5 4306597.8

Exponentiation

ny
n2 463669615274121
n3 9.9841927253319E+21
n4 2.1498951212845E+29
n5 4.6293667997773E+36

Nth Root

y√n
2√n 4640.3651795952
3√n 278.20703398429
4√n 68.120225921493
5√n 29.283357108012

Divisors of 21532989

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 -21532988
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 21532989 can be divided by 4 positive divisors. The sum of these divisors (counting 21532989) is 1, the average is 0.25.

Base conversion 21532989

Base System Value
2 Binary 1010010001001000100111101
3 Ternary 1111111222201010
4 Quaternary 1102021010331
5 Quinary 21003023424
6 Senary 2045305433
8 Octal 122110475
10 Decimal 21532989
12 Duodecimal 7265279
16 Hexadecimal 148913d
20 Vigesimal 6ebc99
36 Base36 ctiyl

Cryptographic Hash Functions

md5 df449745a0a52755cba2c3f0641458da
sha1 39726f0ae44fcadfbcffc530dd7d30c9a0dc9264
sha256 b5ec8c98f96e67ce30f4575132f26ab00381c5c0c4fb1b7d55464e295cd4c5cf
sha512 46329c7e13406dc5801c1ba4c5eaa08b1e1fd14ed1a7d7805315fc2df9141c6a48f4da5ef4a59fc3f672341cca21e730d57f6757533f5362c8eff43ad71263fe
ripemd-160 4a244f8b6930350fa9ce6ac4d936c424f14cfa3f

21532989 as geometric shapes

Circle

Radius = n
Diameter 43065978
Circumference 135295760.10446
Area 1.456661057038E+15

Sphere

Radius = n
Volume 4.182168869057E+22
Surface area 5.8266442281519E+15
Circumference 135295760.10446

Square

Length = n
Perimeter 86131956
Area 463669615274121
Diagonal 30452245.082231

Cube

Length = n
Surface area 2782017691644726
Volume 9.9841927253319E+21
Space diagonal 37296230.986822

Equilateral Triangle

Length = n
Perimeter 64598967
Area 2.0077483289517E+14
Altitude 18648115.493411

Triangular Pyramid

Length = n
Surface area 2.0077483289517E+14
Volume 1.1766483967926E+21
Height 10150748.360744