21494087 (number)

21494087 is an odd 8-digits composite number following 21494086 and preceding 21494088. In scientific notation, it is written as 2.1494087 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 20870200 positive integers (up to 21494087) that are relatively prime to 21494087.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eighty-seven

Notation

Scientific notation 2.1494087 × 10^7
Engineering notation 2.1494087 × 10^6

Prime Factorization of 21494087

Prime Factorization 47 × 131 × 3491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494087
Product of the distinct prime numbers

The prime factorization of 21494087 is 47 × 131 × 3491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494087)

Multiplication

n×y
n×2 42988174
n×3 64482261
n×4 85976348
n×5 107470435

Division

n÷y
n÷2 10747043.5
n÷3 7164695.6666667
n÷3 5373521.75
n÷5 4298817.4

Exponentiation

ny
n2 461995775963569
n3 9.9301774021935E+21
n4 2.1344009700818E+29
n5 4.5877000143823E+36

Nth Root

y√n
2√n 4636.1715887141
3√n 278.03939455182
4√n 68.089438158309
5√n 29.272768654359

Divisors of 21494087

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 -21494086
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 21494087 can be divided by 8 positive divisors. The sum of these divisors (counting 21494087) is 1, the average is 0.125.

Base conversion 21494087

Base System Value
2 Binary 1010001111111100101000111
3 Ternary 1111110000100022
4 Quaternary 1101333211013
5 Quinary 21000302322
6 Senary 2044405355
8 Octal 121774507
10 Decimal 21494087
12 Duodecimal 724685b
16 Hexadecimal 147f947
20 Vigesimal 6e6f47
36 Base36 csoxz

Cryptographic Hash Functions

md5 77a66d0abff7d6be58257ba3f09fe20e
sha1 848f942448676701ef7eb36a2001ab59d2bd7c7a
sha256 8ec6eec9cca872fab530a90da65da0a2c6ee4eac838cfe5f96a22965c9c3cf4a
sha512 63f79f36dc7543506d02b8c4a5a49d0f91059955d7cc171c38ff0ac4d53d9a050ed5ca1aef23b126c48ef4389a22243bd0a9e9d5e28286626886bd9035d9d91e
ripemd-160 df57662014edca9e6578d8071af7e64aa0ef4aff

21494087 as geometric shapes

Circle

Radius = n
Diameter 42988174
Circumference 135051331.62964
Area 1.4514025357567E+15

Sphere

Radius = n
Volume 4.1595429834099E+22
Surface area 5.8056101430267E+15
Circumference 135051331.62964

Square

Length = n
Perimeter 85976348
Area 461995775963569
Diagonal 30397229.346227

Cube

Length = n
Surface area 2771974655781414
Volume 9.9301774021935E+21
Space diagonal 37228850.746306

Equilateral Triangle

Length = n
Perimeter 64482261
Area 2.0005003921278E+14
Altitude 18614425.373153

Triangular Pyramid

Length = n
Surface area 2.0005003921278E+14
Volume 1.1702826299127E+21
Height 10132409.782076