21787293 (number)

21787293 is an odd 8-digits composite number following 21787292 and preceding 21787294. In scientific notation, it is written as 2.1787293 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12954240 positive integers (up to 21787293) that are relatively prime to 21787293.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1787293 × 10^7
Engineering notation 2.1787293 × 10^6

Prime Factorization of 21787293

Prime Factorization 11 × 3 × 53 × 12457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21787293
Product of the distinct prime numbers

The prime factorization of 21787293 is 11 × 3 × 53 × 12457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 24, 77, 931, 379, 3381, 3840, 28819, 98532, 898690, 21495, 6072289, 635150, 92317197, 52341636, 774509654, 500922871, 3098773081, 7918079638

Basic calculations (n = 21787293)

Multiplication

n×y
n×2 43574586
n×3 65361879
n×4 87149172
n×5 108936465

Division

n÷y
n÷2 10893646.5
n÷3 7262431
n÷3 5446823.25
n÷5 4357458.6

Exponentiation

ny
n2 474686136267849
n3 1.0342125933906E+22
n4 2.253269279649E+29
n5 4.9092638003611E+36

Nth Root

y√n
2√n 4667.6860434267
3√n 279.29795637415
4√n 68.320465772905
5√n 29.352199785889

Divisors of 21787293

1, 3, 11, 33, 53, 159, 583, 1749, 12457, 37371, 137027, 411081, 660221, 1980663, 7262431, 21787293

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21787292
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21787293 can be divided by 16 positive divisors. The sum of these divisors (counting 21787293) is 1, the average is 0.0625.

Base conversion 21787293

Base System Value
2 Binary 1010011000111001010011101
3 Ternary 1111222220112210
4 Quaternary 1103013022131
5 Quinary 21034143133
6 Senary 2054551033
8 Octal 123071235
10 Decimal 21787293
12 Duodecimal 7368479
16 Hexadecimal 14c729d
20 Vigesimal 6g384d
36 Base36 cyz6l

Cryptographic Hash Functions

md5 a0fa69301312e209cb2e0fb1feb07cca
sha1 a285984e3561ef6f95790eb0c1b696ddce562874
sha256 b4ae0cc624c50107cd39bb81dac0f8e35b41ed1d5e95fcdcfdb1a78fcb491d63
sha512 ac24dc1d9b99873c704dc1f24d6ab6ae12215b0771bd587fa2e07026fe44bcaedd92a933f2558f68d70f179929d94c19420717c5ee596de3e36492dac8f77742
ripemd-160 6956fcba293db98637e38756d607952c0dac3d78

21787293 as geometric shapes

Circle

Radius = n
Diameter 43574586
Circumference 136893599.26082
Area 1.49127047846E+15

Sphere

Radius = n
Volume 4.3320995808611E+22
Surface area 5.96508191384E+15
Circumference 136893599.26082

Square

Length = n
Perimeter 87149172
Area 474686136267849
Diagonal 30811885.247996

Cube

Length = n
Surface area 2848116817607094
Volume 1.0342125933906E+22
Space diagonal 37736698.43539

Equilateral Triangle

Length = n
Perimeter 65361879
Area 2.0554512641612E+14
Altitude 18868349.217695

Triangular Pyramid

Length = n
Surface area 2.0554512641612E+14
Volume 1.2188312299583E+21
Height 10270628.415999