21787137 (number)

21787137 is an odd 8-digits composite number following 21787136 and preceding 21787138. In scientific notation, it is written as 2.1787137 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14524596 positive integers (up to 21787137) that are relatively prime to 21787137.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1787137 × 10^7
Engineering notation 2.1787137 × 10^6

Prime Factorization of 21787137

Prime Factorization 9 × 27 × 89659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21787137
Product of the distinct prime numbers

The prime factorization of 21787137 is 9 × 27 × 89659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21787137)

Multiplication

n×y
n×2 43574274
n×3 65361411
n×4 87148548
n×5 108935685

Division

n÷y
n÷2 10893568.5
n÷3 7262379
n÷3 5446784.25
n÷5 4357427.4

Exponentiation

ny
n2 474679338656769
n3 1.0341903782384E+22
n4 2.2532047454763E+29
n5 4.9090880478742E+36

Nth Root

y√n
2√n 4667.6693327613
3√n 279.2972897687
4√n 68.320343476605
5√n 29.352157752615

Divisors of 21787137

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 -21787136
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 21787137 can be divided by 8 positive divisors. The sum of these divisors (counting 21787137) is 1, the average is 0.125.

Base conversion 21787137

Base System Value
2 Binary 1010011000111001000000001
3 Ternary 1111222220100000
4 Quaternary 1103013020001
5 Quinary 21034142022
6 Senary 2054550213
8 Octal 123071001
10 Decimal 21787137
12 Duodecimal 7368369
16 Hexadecimal 14c7201
20 Vigesimal 6g37gh
36 Base36 cyz29

Cryptographic Hash Functions

md5 e6e1d5beb0ec0bcd4650f56da0b74195
sha1 a6f3537603fa5336f48720505073f23e8c07ba21
sha256 9c7d6199e94c22add1ca7e70430acdadf2b8f3366712d6c6dc00d7243e3eb97c
sha512 29eb6b56a1ce2a0d4d82c0029f8acec703f9b1ad08776cad3c3a9b61f09b7031e6fe9c7686c9fdc4f655e6b82a67d466773d0ca836a55d0aea7fee8d7746bba2
ripemd-160 93654cf9d9aee76bd3cafbc4916af533b3ff2c61

21787137 as geometric shapes

Circle

Radius = n
Diameter 43574274
Circumference 136892619.08391
Area 1.491249123135E+15

Sphere

Radius = n
Volume 4.3320065262495E+22
Surface area 5.9649964925399E+15
Circumference 136892619.08391

Square

Length = n
Perimeter 87148548
Area 474679338656769
Diagonal 30811664.630681

Cube

Length = n
Surface area 2848076031940614
Volume 1.0341903782384E+22
Space diagonal 37736428.235464

Equilateral Triangle

Length = n
Perimeter 65361411
Area 2.0554218296418E+14
Altitude 18868214.117732

Triangular Pyramid

Length = n
Surface area 2.0554218296418E+14
Volume 1.2188050491505E+21
Height 10270554.876894