21053989 (number)

21053989 is an odd 8-digits composite number following 21053988 and preceding 21053990. In scientific notation, it is written as 2.1053989 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19139980 positive integers (up to 21053989) that are relatively prime to 21053989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1053989 × 10^7
Engineering notation 2.1053989 × 10^6

Prime Factorization of 21053989

Prime Factorization 11 × 1913999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21053989
Product of the distinct prime numbers

The prime factorization of 21053989 is 11 × 1913999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21053989)

Multiplication

n×y
n×2 42107978
n×3 63161967
n×4 84215956
n×5 105269945

Division

n÷y
n÷2 10526994.5
n÷3 7017996.3333333
n÷3 5263497.25
n÷5 4210797.8

Exponentiation

ny
n2 443270452812121
n3 9.3326112375314E+21
n4 1.9648869433626E+29
n5 4.13687080918E+36

Nth Root

y√n
2√n 4588.4625965567
3√n 276.12864635653
4√n 67.738191565443
5√n 29.151900859694

Divisors of 21053989

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 -21053988
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 21053989 can be divided by 4 positive divisors. The sum of these divisors (counting 21053989) is 1, the average is 0.25.

Base conversion 21053989

Base System Value
2 Binary 1010000010100001000100101
3 Ternary 1110121122122101
4 Quaternary 1100110020211
5 Quinary 20342211424
6 Senary 2031132101
8 Octal 120241045
10 Decimal 21053989
12 Duodecimal 7074031
16 Hexadecimal 1414225
20 Vigesimal 6bbej9
36 Base36 cj9d1

Cryptographic Hash Functions

md5 08481a9b3e7b61fe0883326221d4a434
sha1 ef29aa8da9215a5fdba9cf9c26a9a867281f0c88
sha256 c0ab767c0e95eb2a774a67a18da33b45a00771cced4934fd7277508713dc5ca9
sha512 c3a6102db5c03d681688c11f9ea326225fa4266d3439bcf56d76e3124c016a26cbb43ccffe248974ee31be1cfbeb8052868936012b04505c5e7eeabefbcfb384
ripemd-160 9e96e1fd11206709a5d9ddca29b10ab56b512752

21053989 as geometric shapes

Circle

Radius = n
Diameter 42107978
Circumference 132286114.34232
Area 1.392575198108E+15

Sphere

Radius = n
Volume 3.9092350536851E+22
Surface area 5.5703007924319E+15
Circumference 132286114.34232

Square

Length = n
Perimeter 84215956
Area 443270452812121
Diagonal 29774836.785854

Cube

Length = n
Surface area 2659622716872726
Volume 9.3326112375314E+21
Space diagonal 36466578.649996

Equilateral Triangle

Length = n
Perimeter 63161967
Area 1.9194173644116E+14
Altitude 18233289.324998

Triangular Pyramid

Length = n
Surface area 1.9194173644116E+14
Volume 1.0998587820394E+21
Height 9924945.5952847