21000975 (number)

21000975 is an odd 8-digits composite number following 21000974 and preceding 21000976. In scientific notation, it is written as 2.1000975 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 11200480 positive integers (up to 21000975) that are relatively prime to 21000975.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-five

Notation

Scientific notation 2.1000975 × 10^7
Engineering notation 2.1000975 × 10^6

Prime Factorization of 21000975

Prime Factorization 75 × 280013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000975
Product of the distinct prime numbers

The prime factorization of 21000975 is 75 × 280013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000975)

Multiplication

n×y
n×2 42001950
n×3 63002925
n×4 84003900
n×5 105004875

Division

n÷y
n÷2 10500487.5
n÷3 7000325
n÷3 5250243.75
n÷5 4200195

Exponentiation

ny
n2 441040950950625
n3 9.2622899848903E+21
n4 1.9451712041543E+29
n5 4.0850491829165E+36

Nth Root

y√n
2√n 4582.6820749426
3√n 275.89668733564
4√n 67.695510005779
5√n 29.137205137987

Divisors of 21000975

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 -21000974
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 21000975 can be divided by 4 positive divisors. The sum of these divisors (counting 21000975) is 1, the average is 0.25.

Base conversion 21000975

Base System Value
2 Binary 1010000000111001100001111
3 Ternary 1110111221220220
4 Quaternary 1100013030033
5 Quinary 20334012400
6 Senary 2030042423
8 Octal 120071417
10 Decimal 21000975
12 Duodecimal 7049413
16 Hexadecimal 140730f
20 Vigesimal 6b528f
36 Base36 ci4gf

Cryptographic Hash Functions

md5 723a5c6d3d41f847aad37e50df999451
sha1 bd694b9009e71fde99d45f66fa690b23ffc7c7b7
sha256 88e4a042da5ee3b4db1e0d9bb26be5edcdcd37334665c476fc09ad35913748b7
sha512 e46deb631bcd26bf1c614443c205b7b7f95e53938fc1abc594e42902dcae837471fb0801d70ed6c96f4909fa022d44bd0277bfefecb99a916cb8494b1c87bf6f
ripemd-160 726dfa3f1aceeeef523343aa4af1ab85deb20aeb

21000975 as geometric shapes

Circle

Radius = n
Diameter 42001950
Circumference 131953017.55645
Area 1.3855710114387E+15

Sphere

Radius = n
Volume 3.87977895626E+22
Surface area 5.542284045755E+15
Circumference 131953017.55645

Square

Length = n
Perimeter 84003900
Area 441040950950625
Diagonal 29699863.668058

Cube

Length = n
Surface area 2646245705703750
Volume 9.2622899848903E+21
Space diagonal 36374755.708484

Equilateral Triangle

Length = n
Perimeter 63002925
Area 1.9097633381624E+14
Altitude 18187377.854242

Triangular Pyramid

Length = n
Surface area 1.9097633381624E+14
Volume 1.0915713429387E+21
Height 9899954.5560194