21005983 (number)

21005983 is an odd 8-digits prime number following 21005982 and preceding 21005984. In scientific notation, it is written as 2.1005983 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 21005982 positive integers (up to 21005983) that are relatively prime to 21005983.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand nine hundred eighty-three

Notation

Scientific notation 2.1005983 × 10^7
Engineering notation 2.1005983 × 10^6

Prime Factorization of 21005983

Prime Factorization 21005983

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21005983
Product of the distinct prime numbers

The prime factorization of 21005983 is 21005983. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21005983)

Multiplication

n×y
n×2 42011966
n×3 63017949
n×4 84023932
n×5 105029915

Division

n÷y
n÷2 10502991.5
n÷3 7001994.3333333
n÷3 5251495.75
n÷5 4201196.6

Exponentiation

ny
n2 441251321796289
n3 9.2689177643804E+21
n4 1.9470272898697E+29
n5 4.0899222151539E+36

Nth Root

y√n
2√n 4583.2284472847
3√n 275.91861617143
4√n 67.699545399395
5√n 29.138594646871

Divisors of 21005983

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21005984
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10502992
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4583.2285563781
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999904789
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21005983 can be divided by 2 positive divisors. The sum of these divisors (counting 21005983) is 21005984, the average is 10502992.

Base conversion 21005983

Base System Value
2 Binary 1010000001000011010011111
3 Ternary 1110112012210101
4 Quaternary 1100020122133
5 Quinary 20334142413
6 Senary 2030121531
8 Octal 120103237
10 Decimal 21005983
12 Duodecimal 70502a7
16 Hexadecimal 140869f
20 Vigesimal 6b5ej3
36 Base36 ci8bj

Cryptographic Hash Functions

md5 7d61da698db29fe424283456e07ddb92
sha1 35f11e057bd78e57fd8a9df83a34a1e40985f60e
sha256 e954c55eee326047a6ad7c269c7e5ae5551a6178cd1558a6990b19c78931b50a
sha512 cf0b9c6a4157f978aac8d1db184b6f9901668f66f5c7c28e2a09e5b455835aee90a9f0a4484b270578491beabc77d7227f01d2db61fbb9a8ee879ba63a12b026
ripemd-160 8638c89e439ce415139efd4c61c12df03204bf06

21005983 as geometric shapes

Circle

Radius = n
Diameter 42011966
Circumference 131984483.74846
Area 1.386231910942E+15

Sphere

Radius = n
Volume 3.8825551940407E+22
Surface area 5.544927643768E+15
Circumference 131984483.74846

Square

Length = n
Perimeter 84023932
Area 441251321796289
Diagonal 29706946.049579

Cube

Length = n
Surface area 2647507930777734
Volume 9.2689177643804E+21
Space diagonal 36383429.818928

Equilateral Triangle

Length = n
Perimeter 63017949
Area 1.9106742706452E+14
Altitude 18191714.909464

Triangular Pyramid

Length = n
Surface area 1.9106742706452E+14
Volume 1.0923524342423E+21
Height 9902315.3498596