21787393 (number)

21787393 is an odd 8-digits prime number following 21787392 and preceding 21787394. In scientific notation, it is written as 2.1787393 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21787392 positive integers (up to 21787393) that are relatively prime to 21787393.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1787393 × 10^7
Engineering notation 2.1787393 × 10^6

Prime Factorization of 21787393

Prime Factorization 21787393

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21787393
Product of the distinct prime numbers

The prime factorization of 21787393 is 21787393. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 9, 65, 37, 428, 217, 9129, 2170, 48252, 16249, 425672, 840737, 1498625, 4249834, 41880786, 79292330, 822654885, 734068037, 6543504107, 6450226365

Basic calculations (n = 21787393)

Multiplication

n×y
n×2 43574786
n×3 65362179
n×4 87149572
n×5 108936965

Division

n÷y
n÷2 10893696.5
n÷3 7262464.3333333
n÷3 5446848.25
n÷5 4357478.6

Exponentiation

ny
n2 474690493736449
n3 1.03422683404E+22
n4 2.2533106484375E+29
n5 4.9093764648593E+36

Nth Root

y√n
2√n 4667.6967553602
3√n 279.29838368367
4√n 68.320544167623
5√n 29.352226730168

Divisors of 21787393

1, 21787393

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21787394
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10893697
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4667.6968624794
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999082038
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21787393 can be divided by 2 positive divisors. The sum of these divisors (counting 21787393) is 21787394, the average is 10893697.

Base conversion 21787393

Base System Value
2 Binary 1010011000111001100000001
3 Ternary 1111222220200111
4 Quaternary 1103013030001
5 Quinary 21034144033
6 Senary 2054551321
8 Octal 123071401
10 Decimal 21787393
12 Duodecimal 7368541
16 Hexadecimal 14c7301
20 Vigesimal 6g389d
36 Base36 cyz9d

Cryptographic Hash Functions

md5 29c1f3d3768d040d312ffcaf06cbd97d
sha1 2e9592c7fb542ad35362da12efe463240dd11bac
sha256 196a1456d85545e94071b687430748771a2c4c7e4b448f17494db6993a64a9c2
sha512 a27e43c991fafae359e16541b619a4a7f88bda7822c03b34f15ac0c1e79cb700cc4a022f1014346e438439a3598ebab5340456cb59305f97662d2f9c1fdce242
ripemd-160 6c23f5f94ac8a0c3637aa90959c8769ab7f35713

21787393 as geometric shapes

Circle

Radius = n
Diameter 43574786
Circumference 136894227.57935
Area 1.4912841678513E+15

Sphere

Radius = n
Volume 4.332159231954E+22
Surface area 5.9651366714054E+15
Circumference 136894227.57935

Square

Length = n
Perimeter 87149572
Area 474690493736449
Diagonal 30812026.669353

Cube

Length = n
Surface area 2848142962418694
Volume 1.03422683404E+22
Space diagonal 37736871.640471

Equilateral Triangle

Length = n
Perimeter 65362179
Area 2.0554701325537E+14
Altitude 18868435.820235

Triangular Pyramid

Length = n
Surface area 2.0554701325537E+14
Volume 1.2188480127246E+21
Height 10270675.556451