21754987 (number)

21754987 is an odd 8-digits composite number following 21754986 and preceding 21754988. In scientific notation, it is written as 2.1754987 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 20762280 positive integers (up to 21754987) that are relatively prime to 21754987.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 2.1754987 × 10^7
Engineering notation 2.1754987 × 10^6

Prime Factorization of 21754987

Prime Factorization 23 × 631 × 1499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21754987
Product of the distinct prime numbers

The prime factorization of 21754987 is 23 × 631 × 1499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21754987)

Multiplication

n×y
n×2 43509974
n×3 65264961
n×4 87019948
n×5 108774935

Division

n÷y
n÷2 10877493.5
n÷3 7251662.3333333
n÷3 5438746.75
n÷5 4350997.4

Exponentiation

ny
n2 473279459370169
n3 1.0296188485965E+22
n4 2.2399344666172E+29
n5 4.8729745202109E+36

Nth Root

y√n
2√n 4664.2241584212
3√n 279.15984126279
4√n 68.295125436748
5√n 29.343489983427

Divisors of 21754987

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 -21754986
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 21754987 can be divided by 8 positive divisors. The sum of these divisors (counting 21754987) is 1, the average is 0.125.

Base conversion 21754987

Base System Value
2 Binary 1010010111111010001101011
3 Ternary 1111221021020021
4 Quaternary 1102333101223
5 Quinary 21032124422
6 Senary 2054141311
8 Octal 122772153
10 Decimal 21754987
12 Duodecimal 7351837
16 Hexadecimal 14bf46b
20 Vigesimal 6fj797
36 Base36 cya97

Cryptographic Hash Functions

md5 e7903c508b27ab32ccc778e7578fcc5e
sha1 b4f3c7eb808345223268b5765ee6ef8fae5e0fcb
sha256 deb531b07c15c25abd558cbe84e14b209c6ebb41baf46208bafcc06efbe3fe2e
sha512 76e450801be934d14ace67d2c26dc52ad696a68f5038cca85f4af3c50d84c6011121713a20efbf51fa64662e1340a4087db9f15337c284c92ade67004e2350d2
ripemd-160 30b5f6bbbf487ae4e6b5387ba4207dbcfe9cfa66

21754987 as geometric shapes

Circle

Radius = n
Diameter 43509974
Circumference 136690614.67628
Area 1.4868512726523E+15

Sphere

Radius = n
Volume 4.3128573476645E+22
Surface area 5.9474050906091E+15
Circumference 136690614.67628

Square

Length = n
Perimeter 87019948
Area 473279459370169
Diagonal 30766197.66465

Cube

Length = n
Surface area 2839676756221014
Volume 1.0296188485965E+22
Space diagonal 37680742.802

Equilateral Triangle

Length = n
Perimeter 65264961
Area 2.0493601745197E+14
Altitude 18840371.401

Triangular Pyramid

Length = n
Surface area 2.0493601745197E+14
Volume 1.2134174498001E+21
Height 10255399.22155