21087835 (number)

21087835 is an odd 8-digits composite number following 21087834 and preceding 21087836. In scientific notation, it is written as 2.1087835 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16772064 positive integers (up to 21087835) that are relatively prime to 21087835.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand eight hundred thirty-five

Notation

Scientific notation 2.1087835 × 10^7
Engineering notation 2.1087835 × 10^6

Prime Factorization of 21087835

Prime Factorization 5 × 173 × 24379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087835
Product of the distinct prime numbers

The prime factorization of 21087835 is 5 × 173 × 24379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087835)

Multiplication

n×y
n×2 42175670
n×3 63263505
n×4 84351340
n×5 105439175

Division

n÷y
n÷2 10543917.5
n÷3 7029278.3333333
n÷3 5271958.75
n÷5 4217567

Exponentiation

ny
n2 444696784987225
n3 9.3776924268411E+21
n4 1.9775523057797E+29
n5 4.1702296728153E+36

Nth Root

y√n
2√n 4592.1492789325
3√n 276.27653355835
4√n 67.765398832535
5√n 29.16126764889

Divisors of 21087835

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 -21087834
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 21087835 can be divided by 8 positive divisors. The sum of these divisors (counting 21087835) is 1, the average is 0.125.

Base conversion 21087835

Base System Value
2 Binary 1010000011100011001011011
3 Ternary 1110200101001221
4 Quaternary 1100130121123
5 Quinary 20344302320
6 Senary 2031552511
8 Octal 120343133
10 Decimal 21087835
12 Duodecimal 708b737
16 Hexadecimal 141c65b
20 Vigesimal 6bfjbf
36 Base36 cjzh7

Cryptographic Hash Functions

md5 8c1fdf1a5797f4bcd150223299728f4a
sha1 6f3e0855ff931ef108ebc6ddd56cdb8ad92d15fa
sha256 42e69e57e44ac2f0f390cced8da75cdacb4e63cdbee493cd0fda7ab1524da299
sha512 97669e9c2eb79cd2cc7dd38c634bc101bb088e1f78a7888117d5f10dc7c245940fc0b52d52db31f05a435e49eddf1ecf79841265d231ec040963d35389dbc381
ripemd-160 ec98c0dea6f1ddb63696c3b10234641e7be0b94e

21087835 as geometric shapes

Circle

Radius = n
Diameter 42175670
Circumference 132498775.03223
Area 1.3970561527909E+15

Sphere

Radius = n
Volume 3.9281186181051E+22
Surface area 5.5882246111635E+15
Circumference 132498775.03223

Square

Length = n
Perimeter 84351340
Area 444696784987225
Diagonal 29822702.258086

Cube

Length = n
Surface area 2668180709923350
Volume 9.3776924268411E+21
Space diagonal 36525201.641629

Equilateral Triangle

Length = n
Perimeter 63263505
Area 1.925593563901E+14
Altitude 18262600.820815

Triangular Pyramid

Length = n
Surface area 1.925593563901E+14
Volume 1.1051716511502E+21
Height 9940900.7526953