21125894 (number)

21125894 is an even 8-digits composite number following 21125893 and preceding 21125895. In scientific notation, it is written as 2.1125894 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10383856 positive integers (up to 21125894) that are relatively prime to 21125894.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand eight hundred ninety-four

Notation

Scientific notation 2.1125894 × 10^7
Engineering notation 2.1125894 × 10^6

Prime Factorization of 21125894

Prime Factorization 2 × 59 × 179033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125894
Product of the distinct prime numbers

The prime factorization of 21125894 is 2 × 59 × 179033. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21125894)

Multiplication

n×y
n×2 42251788
n×3 63377682
n×4 84503576
n×5 105629470

Division

n÷y
n÷2 10562947
n÷3 7041964.6666667
n÷3 5281473.5
n÷5 4225178.8

Exponentiation

ny
n2 446303397299236
n3 9.4285582631835E+21
n4 1.9918672244084E+29
n5 4.2079975844926E+36

Nth Root

y√n
2√n 4596.2913310625
3√n 276.44264021448
4√n 67.795953648153
5√n 29.171786019665

Divisors of 21125894

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 -21125893
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 21125894 can be divided by 8 positive divisors. The sum of these divisors (counting 21125894) is 1, the average is 0.125.

Base conversion 21125894

Base System Value
2 Binary 1010000100101101100000110
3 Ternary 1110202022021112
4 Quaternary 1100211230012
5 Quinary 20402012034
6 Senary 2032445022
8 Octal 120455406
10 Decimal 21125894
12 Duodecimal 70a9772
16 Hexadecimal 1425b06
20 Vigesimal 6c0eee
36 Base36 cksue

Cryptographic Hash Functions

md5 2fb8eb39caef0afff6ea3be479631fbe
sha1 162b6c31f129961e09cc2974cb3c2789a7275765
sha256 9d24de79e50a502196e69b61180689cfbaccdf44814683908ce832ec532a4363
sha512 f136ab36a0121fd07cdaf3c470ad8e4130ba0c184cb71891aaac48ce6c09939c15c392a71a91001b57f11f434451da10fb00d604cbb09dbe0d1aa07dde8e51f2
ripemd-160 e68d78f0a0927f17f39aacba3b2522413b510ed8

21125894 as geometric shapes

Circle

Radius = n
Diameter 42251788
Circumference 132737906.78183
Area 1.4021034742274E+15

Sphere

Radius = n
Volume 3.9494252498081E+22
Surface area 5.6084138969098E+15
Circumference 132737906.78183

Square

Length = n
Perimeter 84503576
Area 446303397299236
Diagonal 29876525.812056

Cube

Length = n
Surface area 2677820383795416
Volume 9.4285582631835E+21
Space diagonal 36591121.763315

Equilateral Triangle

Length = n
Perimeter 63377682
Area 1.9325503992822E+14
Altitude 18295560.881657

Triangular Pyramid

Length = n
Surface area 1.9325503992822E+14
Volume 1.1111662474516E+21
Height 9958841.9373521