21189968 (number)

21189968 is an even 8-digits composite number following 21189967 and preceding 21189969. In scientific notation, it is written as 2.1189968 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 10414944 positive integers (up to 21189968) that are relatively prime to 21189968.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.1189968 × 10^7
Engineering notation 2.1189968 × 10^6

Prime Factorization of 21189968

Prime Factorization 2 × 2 × 2 × 2 × 59 × 22447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2648746
Product of the distinct prime numbers

The prime factorization of 21189968 is 2 × 2 × 2 × 2 × 59 × 22447. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 9, 76, 20, 890, 165, 1277, 6942, 28214, 35646, 820726, 374156, 2957047, 6541367, 53481640, 55986386, 395581242, 201100843, 4172479033, 7082211274

Basic calculations (n = 21189968)

Multiplication

n×y
n×2 42379936
n×3 63569904
n×4 84759872
n×5 105949840

Division

n÷y
n÷2 10594984
n÷3 7063322.6666667
n÷3 5297492
n÷5 4237993.6

Exponentiation

ny
n2 449014743841024
n3 9.5146080535195E+21
n4 2.0161424018662E+29
n5 4.2721992978988E+36

Nth Root

y√n
2√n 4603.2562387944
3√n 276.72183799974
4√n 67.847300895426
5√n 29.189459965283

Divisors of 21189968

1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22447, 44894, 89788, 179576, 359152, 1324373, 2648746, 5297492, 10594984, 21189968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21189967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21189968 can be divided by 20 positive divisors. The sum of these divisors (counting 21189968) is 1, the average is 0.05.

Base conversion 21189968

Base System Value
2 Binary 1010000110101010101010000
3 Ternary 1110212120011122
4 Quaternary 1100311111100
5 Quinary 20411034333
6 Senary 2034101412
8 Octal 120652520
10 Decimal 21189968
12 Duodecimal 711a868
16 Hexadecimal 1435550
20 Vigesimal 6c8ei8
36 Base36 cm6a8

Cryptographic Hash Functions

md5 5cdb4ad0d9cdaaed6da7961b3e156433
sha1 fc75799387dc5f947edbbf176d368470c77de081
sha256 0c5f9a9c67f213041875df141c0aabbf72944f588b0085e04180f6df3cefd026
sha512 e0f27fb5babd7af347a197280602f46eb32954158e4bedef179d8481474640c906df2d8ab9c09f956e44589b28c46c4bb90e60fb78387fb69b29f12f1602db05
ripemd-160 78a78cdd9e7de3a723425ce38a4817ce92e0606a

21189968 as geometric shapes

Circle

Radius = n
Diameter 42379936
Circumference 133140495.59721
Area 1.4106214206045E+15

Sphere

Radius = n
Volume 3.9854697016964E+22
Surface area 5.6424856824179E+15
Circumference 133140495.59721

Square

Length = n
Perimeter 84759872
Area 449014743841024
Diagonal 29967140.131852

Cube

Length = n
Surface area 2694088463046144
Volume 9.5146080535195E+21
Space diagonal 36702101.186759

Equilateral Triangle

Length = n
Perimeter 63569904
Area 1.9442908742004E+14
Altitude 18351050.593379

Triangular Pyramid

Length = n
Surface area 1.9442908742004E+14
Volume 1.121307312496E+21
Height 9989046.7106173