21006943 (number)

21006943 is an odd 8-digits composite number following 21006942 and preceding 21006944. In scientific notation, it is written as 2.1006943 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20727000 positive integers (up to 21006943) that are relatively prime to 21006943.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1006943 × 10^7
Engineering notation 2.1006943 × 10^6

Prime Factorization of 21006943

Prime Factorization 127 × 251 × 659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21006943
Product of the distinct prime numbers

The prime factorization of 21006943 is 127 × 251 × 659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006943)

Multiplication

n×y
n×2 42013886
n×3 63020829
n×4 84027772
n×5 105034715

Division

n÷y
n÷2 10503471.5
n÷3 7002314.3333333
n÷3 5251735.75
n÷5 4201388.6

Exponentiation

ny
n2 441291654205249
n3 9.2701886262654E+21
n4 1.9473832407121E+29
n5 4.0908568736793E+36

Nth Root

y√n
2√n 4583.3331757576
3√n 275.92281938401
4√n 67.700318874859
5√n 29.138860976131

Divisors of 21006943

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 -21006942
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 21006943 can be divided by 8 positive divisors. The sum of these divisors (counting 21006943) is 1, the average is 0.125.

Base conversion 21006943

Base System Value
2 Binary 1010000001000101001011111
3 Ternary 1110112021002221
4 Quaternary 1100020221133
5 Quinary 20334210233
6 Senary 2030130211
8 Octal 120105137
10 Decimal 21006943
12 Duodecimal 7050967
16 Hexadecimal 1408a5f
20 Vigesimal 6b5h73
36 Base36 ci927

Cryptographic Hash Functions

md5 e74f8c1d28814746fe04e7708ad886a4
sha1 bf49099379eef6387d12e82b28b8697f23872298
sha256 8cb6d1c98d32f2993c59209cc19e9c251b083c1bec44e73c75a877733e180df6
sha512 5a53f5467d39c1f172bb605e41e660434bbf311775d3f576aeba693ed3355740e0cd70e680ecca31ffd0886007855686933d179641d0ec426cf20a31fc5482c3
ripemd-160 5aac8c6549a2d1a2c6169232e96c3b0699901f8d

21006943 as geometric shapes

Circle

Radius = n
Diameter 42013886
Circumference 131990515.60636
Area 1.3863586189417E+15

Sphere

Radius = n
Volume 3.8830875314223E+22
Surface area 5.5454344757668E+15
Circumference 131990515.60636

Square

Length = n
Perimeter 84027772
Area 441291654205249
Diagonal 29708303.694599

Cube

Length = n
Surface area 2647749925231494
Volume 9.2701886262654E+21
Space diagonal 36385092.587703

Equilateral Triangle

Length = n
Perimeter 63020829
Area 1.910848915099E+14
Altitude 18192546.293852

Triangular Pyramid

Length = n
Surface area 1.910848915099E+14
Volume 1.0925022067518E+21
Height 9902767.8981995