21787140 (number)

21787140 is an even 8-digits composite number following 21787139 and preceding 21787141. In scientific notation, it is written as 2.1787140 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5809888 positive integers (up to 21787140) that are relatively prime to 21787140.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1787140 × 10^7
Engineering notation 2.1787140 × 10^6

Prime Factorization of 21787140

Prime Factorization 2 × 2 × 3 × 5 × 363119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10893570
Product of the distinct prime numbers

The prime factorization of 21787140 is 2 × 2 × 3 × 5 × 363119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 2, 29, 557, 554, 2528, 5047, 98708, 71928, 524763, 300506, 6499011, 6548234, 24854321, 69832641, 668730116, 63271524, 4771339308, 3318670929

Basic calculations (n = 21787140)

Multiplication

n×y
n×2 43574280
n×3 65361420
n×4 87148560
n×5 108935700

Division

n÷y
n÷2 10893570
n÷3 7262380
n÷3 5446785
n÷5 4357428

Exponentiation

ny
n2 474679469379600
n3 1.0341908054499E+22
n4 2.253205986505E+29
n5 4.9090914276822E+36

Nth Root

y√n
2√n 4667.6696541208
3√n 279.29730258806
4√n 68.320345828463
5√n 29.352158560949

Divisors of 21787140

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363119, 726238, 1089357, 1452476, 1815595, 2178714, 3631190, 4357428, 5446785, 7262380, 10893570, 21787140

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21787139
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21787140 can be divided by 24 positive divisors. The sum of these divisors (counting 21787140) is 1, the average is 0.041666666666667.

Base conversion 21787140

Base System Value
2 Binary 1010011000111001000000100
3 Ternary 1111222220100010
4 Quaternary 1103013020010
5 Quinary 21034142030
6 Senary 2054550220
8 Octal 123071004
10 Decimal 21787140
12 Duodecimal 7368370
16 Hexadecimal 14c7204
20 Vigesimal 6g37h0
36 Base36 cyz2c

Cryptographic Hash Functions

md5 5e86f87f1611682436665849a5e64529
sha1 d4f6b39518b492f0ff480b03d168fd306285adc4
sha256 e1a5e91f97c72f782f95cdd118777433d29abc25b6cd785766e9d8ee50b649a5
sha512 dc32b00d4e7592ab424e79d15a9a722ae7fa052ca6afc6708ca7628a1354b3a6601d2ff64c481c5cd0472786074265ad0aaafb584b18c602e6348274f9d1eed4
ripemd-160 3fa7ee4e1e482f98214440e7137dc44b3abb96cd

21787140 as geometric shapes

Circle

Radius = n
Diameter 43574280
Circumference 136892637.93346
Area 1.4912495338129E+15

Sphere

Radius = n
Volume 4.3320083157487E+22
Surface area 5.9649981352514E+15
Circumference 136892637.93346

Square

Length = n
Perimeter 87148560
Area 474679469379600
Diagonal 30811668.873321

Cube

Length = n
Surface area 2848076816277600
Volume 1.0341908054499E+22
Space diagonal 37736433.431616

Equilateral Triangle

Length = n
Perimeter 65361420
Area 2.0554223956883E+14
Altitude 18868216.715808

Triangular Pyramid

Length = n
Surface area 2.0554223956883E+14
Volume 1.218805552624E+21
Height 10270556.291107