21087746 (number)

21087746 is an even 8-digits composite number following 21087745 and preceding 21087747. In scientific notation, it is written as 2.1087746 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10344880 positive integers (up to 21087746) that are relatively prime to 21087746.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand seven hundred forty-six

Notation

Scientific notation 2.1087746 × 10^7
Engineering notation 2.1087746 × 10^6

Prime Factorization of 21087746

Prime Factorization 2 × 53 × 198941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087746
Product of the distinct prime numbers

The prime factorization of 21087746 is 2 × 53 × 198941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087746)

Multiplication

n×y
n×2 42175492
n×3 63263238
n×4 84350984
n×5 105438730

Division

n÷y
n÷2 10543873
n÷3 7029248.6666667
n÷3 5271936.5
n÷5 4217549.2

Exponentiation

ny
n2 444693031360516
n3 9.3775736933006E+21
n4 1.977518921406E+29
n5 4.1701416724805E+36

Nth Root

y√n
2√n 4592.1395884707
3√n 276.27614488804
4√n 67.765327332425
5√n 29.161243034157

Divisors of 21087746

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 -21087745
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 21087746 can be divided by 8 positive divisors. The sum of these divisors (counting 21087746) is 1, the average is 0.125.

Base conversion 21087746

Base System Value
2 Binary 1010000011100011000000010
3 Ternary 1110200100221122
4 Quaternary 1100130120002
5 Quinary 20344301441
6 Senary 2031552242
8 Octal 120343002
10 Decimal 21087746
12 Duodecimal 708b682
16 Hexadecimal 141c602
20 Vigesimal 6bfj76
36 Base36 cjzeq

Cryptographic Hash Functions

md5 de76a2523377d344d89d6080df05cb83
sha1 c32d71a7cf262778ea972b6bf09841e63366e9aa
sha256 23609e3b93040424b8160ea8865ec4ed0b1309c89fedccd95ee9d9c466624d4c
sha512 c5eae984399b54ae0d48d9d1355076392a628e1a3df9021a7eef77ae299d03fd782175326da3d45f98cc8a38db71578fcebaa50012cea9805c5fd53d8f689d80
ripemd-160 282ffa9f7a1211b25bc4ec33a3cd9f26369e90d7

21087746 as geometric shapes

Circle

Radius = n
Diameter 42175492
Circumference 132498215.82874
Area 1.3970443604248E+15

Sphere

Radius = n
Volume 3.928068883116E+22
Surface area 5.5881774416991E+15
Circumference 132498215.82874

Square

Length = n
Perimeter 84350984
Area 444693031360516
Diagonal 29822576.393079

Cube

Length = n
Surface area 2668158188163096
Volume 9.3775736933006E+21
Space diagonal 36525047.489107

Equilateral Triangle

Length = n
Perimeter 63263238
Area 1.9255773102206E+14
Altitude 18262523.744554

Triangular Pyramid

Length = n
Surface area 1.9255773102206E+14
Volume 1.1051576582682E+21
Height 9940858.797693