21006942 (number)

21006942 is an even 8-digits composite number following 21006941 and preceding 21006943. In scientific notation, it is written as 2.1006942 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6365720 positive integers (up to 21006942) that are relatively prime to 21006942.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred forty-two

Notation

Scientific notation 2.1006942 × 10^7
Engineering notation 2.1006942 × 10^6

Prime Factorization of 21006942

Prime Factorization 2 × 3 × 11 × 318287

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21006942
Product of the distinct prime numbers

The prime factorization of 21006942 is 2 × 3 × 11 × 318287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006942)

Multiplication

n×y
n×2 42013884
n×3 63020826
n×4 84027768
n×5 105034710

Division

n÷y
n÷2 10503471
n÷3 7002314
n÷3 5251735.5
n÷5 4201388.4

Exponentiation

ny
n2 441291612191364
n3 9.2701873023905E+21
n4 1.9473828699045E+29
n5 4.0908558999878E+36

Nth Root

y√n
2√n 4583.3330666667
3√n 275.92281500573
4√n 67.700318069169
5√n 29.13886069871

Divisors of 21006942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006942 can be divided by 16 positive divisors. The sum of these divisors (counting 21006942) is 1, the average is 0.0625.

Base conversion 21006942

Base System Value
2 Binary 1010000001000101001011110
3 Ternary 1110112021002220
4 Quaternary 1100020221132
5 Quinary 20334210232
6 Senary 2030130210
8 Octal 120105136
10 Decimal 21006942
12 Duodecimal 7050966
16 Hexadecimal 1408a5e
20 Vigesimal 6b5h72
36 Base36 ci926

Cryptographic Hash Functions

md5 b2384c9771fbdbcb1dc5c44a9fc653a5
sha1 a6bb300466b4f88c01acdb3866ee776b13cf60f3
sha256 62a0f78e16d310ee6eae6e65a87ba386f0aec2729d4d8fcab745a444ab2b526f
sha512 a587e0fb12bb8c24f2201c6af66415e3544204440cea01daf12f37c9ec15c270103fbc9c503c9a586bd9b0c59d1b632850ba8e26ed9d3ec015bf3a106eb3533f
ripemd-160 21b39e2e921ecf81dba8dd3119054fa7b23eee19

21006942 as geometric shapes

Circle

Radius = n
Diameter 42013884
Circumference 131990509.32317
Area 1.3863584869512E+15

Sphere

Radius = n
Volume 3.8830869768788E+22
Surface area 5.5454339478047E+15
Circumference 131990509.32317

Square

Length = n
Perimeter 84027768
Area 441291612191364
Diagonal 29708302.280385

Cube

Length = n
Surface area 2647749673148184
Volume 9.2701873023905E+21
Space diagonal 36385090.855653

Equilateral Triangle

Length = n
Perimeter 63020826
Area 1.9108487331736E+14
Altitude 18192545.427826

Triangular Pyramid

Length = n
Surface area 1.9108487331736E+14
Volume 1.0925020507316E+21
Height 9902767.426795