21000965 (number)

21000965 is an odd 8-digits composite number following 21000964 and preceding 21000966. In scientific notation, it is written as 2.1000965 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 16563456 positive integers (up to 21000965) that are relatively prime to 21000965.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixty-five

Notation

Scientific notation 2.1000965 × 10^7
Engineering notation 2.1000965 × 10^6

Prime Factorization of 21000965

Prime Factorization 5 × 79 × 79 × 673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 265835
Product of the distinct prime numbers

The prime factorization of 21000965 is 5 × 79 × 79 × 673. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000965)

Multiplication

n×y
n×2 42001930
n×3 63002895
n×4 84003860
n×5 105004825

Division

n÷y
n÷2 10500482.5
n÷3 7000321.6666667
n÷3 5250241.25
n÷5 4200193

Exponentiation

ny
n2 441040530931225
n3 9.2622767536681E+21
n4 1.945167499241E+29
n5 4.0850394570697E+36

Nth Root

y√n
2√n 4582.6809838783
3√n 275.89664354454
4√n 67.695501947163
5√n 29.137202363144

Divisors of 21000965

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000964
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000965 can be divided by 12 positive divisors. The sum of these divisors (counting 21000965) is 1, the average is 0.083333333333333.

Base conversion 21000965

Base System Value
2 Binary 1010000000111001100000101
3 Ternary 1110111221220112
4 Quaternary 1100013030011
5 Quinary 20334012330
6 Senary 2030042405
8 Octal 120071405
10 Decimal 21000965
12 Duodecimal 7049405
16 Hexadecimal 1407305
20 Vigesimal 6b5285
36 Base36 ci4g5

Cryptographic Hash Functions

md5 b3cdc8b305f016b8ff249cbb096f7dec
sha1 e53480546de694e19db00f58ac73b783b6e92fc0
sha256 2a20d7653d80488649cae70241a0e3fffbb566faa3a0b12b2d39c95cff3b2db5
sha512 da1d0a9d9510e37090d3567b4e318c2d5ae14130af978102d113f81a41b57d1bf9b9ccf6e6cdb5e7ea4fa5c9391a4eaa8d6ed2524735f719a4fb654866ab75f5
ripemd-160 8129c179ebcd271fb3edfcbb6a1225f6d58372d7

21000965 as geometric shapes

Circle

Radius = n
Diameter 42001930
Circumference 131952954.72459
Area 1.3855696919089E+15

Sphere

Radius = n
Volume 3.8797734139786E+22
Surface area 5.5422787676355E+15
Circumference 131952954.72459

Square

Length = n
Perimeter 84003860
Area 441040530931225
Diagonal 29699849.525923

Cube

Length = n
Surface area 2646243185587350
Volume 9.2622767536681E+21
Space diagonal 36374738.387976

Equilateral Triangle

Length = n
Perimeter 63002895
Area 1.9097615194251E+14
Altitude 18187369.193988

Triangular Pyramid

Length = n
Surface area 1.9097615194251E+14
Volume 1.0915697836242E+21
Height 9899949.8419742