21000943 (number)

21000943 is an odd 8-digits composite number following 21000942 and preceding 21000944. In scientific notation, it is written as 2.1000943 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20946568 positive integers (up to 21000943) that are relatively prime to 21000943.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-three

Notation

Scientific notation 2.1000943 × 10^7
Engineering notation 2.1000943 × 10^6

Prime Factorization of 21000943

Prime Factorization 389 × 53987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000943
Product of the distinct prime numbers

The prime factorization of 21000943 is 389 × 53987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000943)

Multiplication

n×y
n×2 42001886
n×3 63002829
n×4 84003772
n×5 105004715

Division

n÷y
n÷2 10500471.5
n÷3 7000314.3333333
n÷3 5250235.75
n÷5 4200188.6

Exponentiation

ny
n2 441039606889249
n3 9.2622476450235E+21
n4 1.9451593484502E+29
n5 4.085018060272E+36

Nth Root

y√n
2√n 4582.6785835361
3√n 275.89654720408
4√n 67.695484218196
5√n 29.137196258484

Divisors of 21000943

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 -21000942
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 21000943 can be divided by 4 positive divisors. The sum of these divisors (counting 21000943) is 1, the average is 0.25.

Base conversion 21000943

Base System Value
2 Binary 1010000000111001011101111
3 Ternary 1110111221212201
4 Quaternary 1100013023233
5 Quinary 20334012233
6 Senary 2030042331
8 Octal 120071357
10 Decimal 21000943
12 Duodecimal 70493a7
16 Hexadecimal 14072ef
20 Vigesimal 6b5273
36 Base36 ci4fj

Cryptographic Hash Functions

md5 d32eb892e182d622c38bd412d6142941
sha1 e5e001e054e63c2e33ee79158f87380b3aeab4b8
sha256 3a498b495e6133994b4d760e102abc1ef28843f3ddd236939d4c72b57a9a1e45
sha512 6763b6fae6234eded0fde931ffd50937b139ef750daf9a5615ef0648ceb1dbf259c8229df4c3a2e25fbb0900a42bb19eaa59988b76d4daddf098d73cf6c0beba
ripemd-160 02470c8b5d8af20560b10ad4f7d4075b7445b1de

21000943 as geometric shapes

Circle

Radius = n
Diameter 42001886
Circumference 131952816.49452
Area 1.3855667889454E+15

Sphere

Radius = n
Volume 3.879761220978E+22
Surface area 5.5422671557816E+15
Circumference 131952816.49452

Square

Length = n
Perimeter 84003772
Area 441039606889249
Diagonal 29699818.413224

Cube

Length = n
Surface area 2646237641335494
Volume 9.2622476450235E+21
Space diagonal 36374700.282858

Equilateral Triangle

Length = n
Perimeter 63002829
Area 1.909757518206E+14
Altitude 18187350.141429

Triangular Pyramid

Length = n
Surface area 1.909757518206E+14
Volume 1.0915663531375E+21
Height 9899939.4710748