21252085 (number)

21252085 is an odd 8-digits composite number following 21252084 and preceding 21252086. In scientific notation, it is written as 2.1252085 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16985040 positive integers (up to 21252085) that are relatively prime to 21252085.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-two thousand eighty-five

Notation

Scientific notation 2.1252085 × 10^7
Engineering notation 2.1252085 × 10^6

Prime Factorization of 21252085

Prime Factorization 5 × 2347 × 1811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21252085
Product of the distinct prime numbers

The prime factorization of 21252085 is 5 × 2347 × 1811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21252085)

Multiplication

n×y
n×2 42504170
n×3 63756255
n×4 85008340
n×5 106260425

Division

n÷y
n÷2 10626042.5
n÷3 7084028.3333333
n÷3 5313021.25
n÷5 4250417

Exponentiation

ny
n2 451651116847225
n3 9.5985279255822E+21
n4 2.0398873134935E+29
n5 4.3351858576785E+36

Nth Root

y√n
2√n 4609.9983731017
3√n 276.99197151202
4√n 67.896968806432
5√n 29.206553330886

Divisors of 21252085

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 -21252084
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 21252085 can be divided by 8 positive divisors. The sum of these divisors (counting 21252085) is 1, the average is 0.125.

Base conversion 21252085

Base System Value
2 Binary 1010001000100011111110101
3 Ternary 1110222201101021
4 Quaternary 1101010133311
5 Quinary 20420031320
6 Senary 2035301141
8 Octal 121043765
10 Decimal 21252085
12 Duodecimal 714a7b1
16 Hexadecimal 14447f5
20 Vigesimal 6cga45
36 Base36 cni7p

Cryptographic Hash Functions

md5 035ed2fddd986df31fbbaa1a1241fe00
sha1 26184b528e43df0e10df09da32f4d41791845ca6
sha256 f97455fd24adf62fe7a2ec7c72c4c6d41f63a5690072df3069c466087061e0d9
sha512 edc7dad4b5b7684d16c0f6773dc5d04f794add0d9bfb89bffdf8154e524615963c404bf3a2b1205abe4563e800953cb79318e9970754d3958cf9e9649f528e3f
ripemd-160 7e7084c988869c72cb6286c7abbc80f0b23f1375

21252085 as geometric shapes

Circle

Radius = n
Diameter 42504170
Circumference 133530788.21893
Area 1.4189038306729E+15

Sphere

Radius = n
Volume 4.0206219755047E+22
Surface area 5.6756153226915E+15
Circumference 133530788.21893

Square

Length = n
Perimeter 85008340
Area 451651116847225
Diagonal 30054986.835706

Cube

Length = n
Surface area 2709906701083350
Volume 9.5985279255822E+21
Space diagonal 36809690.986772

Equilateral Triangle

Length = n
Perimeter 63756255
Area 1.9557067041866E+14
Altitude 18404845.493386

Triangular Pyramid

Length = n
Surface area 1.9557067041866E+14
Volume 1.1311973642646E+21
Height 10018328.945235