21491364 (number)

21491364 is an even 8-digits composite number following 21491363 and preceding 21491365. In scientific notation, it is written as 2.1491364 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 7082944 positive integers (up to 21491364) that are relatively prime to 21491364.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand three hundred sixty-four

Notation

Scientific notation 2.1491364 × 10^7
Engineering notation 2.1491364 × 10^6

Prime Factorization of 21491364

Prime Factorization 2 × 2 × 3 × 89 × 20123

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745682
Product of the distinct prime numbers

The prime factorization of 21491364 is 2 × 2 × 3 × 89 × 20123. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 44, 11, 490, 674, 6329, 7477, 6363, 40268, 153716, 951431, 8071766, 4038687, 36037799, 88704365, 313199254, 438699512, 3331373755, 678568923

Basic calculations (n = 21491364)

Multiplication

n×y
n×2 42982728
n×3 64474092
n×4 85965456
n×5 107456820

Division

n÷y
n÷2 10745682
n÷3 7163788
n÷3 5372841
n÷5 4298272.8

Exponentiation

ny
n2 461878726580496
n3 9.9264038367979E+21
n4 2.1333195806762E+29
n5 4.584794763664E+36

Nth Root

y√n
2√n 4635.8779103855
3√n 278.02765282265
4√n 68.087281561136
5√n 29.272026926751

Divisors of 21491364

1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20123, 40246, 60369, 80492, 120738, 241476, 1790947, 3581894, 5372841, 7163788, 10745682, 21491364

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 -21491363
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 21491364 can be divided by 24 positive divisors. The sum of these divisors (counting 21491364) is 1, the average is 0.041666666666667.

Base conversion 21491364

Base System Value
2 Binary 1010001111110111010100100
3 Ternary 1111102212121110
4 Quaternary 1101332322210
5 Quinary 21000210424
6 Senary 2044345020
8 Octal 121767244
10 Decimal 21491364
12 Duodecimal 7245170
16 Hexadecimal 147eea4
20 Vigesimal 6e6884
36 Base36 csmuc

Cryptographic Hash Functions

md5 88387d62ec0e7bb76822e631f7d928d2
sha1 f322dd68f6f58584ba7873af698087561c1a89e1
sha256 2937c1dc9e2f8b57b0815b7a32600fe802f05674b9c835954d34febb98c300df
sha512 34de29e88ada95d3722ed05a9a0b1e43e582cd22ad4620ed230698cf15812657973e29505deef713003f70504429a01b631f98cff49b2b62d5c8d62c70787141
ripemd-160 47a31a136d8ff67d8e6397cd64c69f4b936590b8

21491364 as geometric shapes

Circle

Radius = n
Diameter 42982728
Circumference 135034222.51605
Area 1.4510348142747E+15

Sphere

Radius = n
Volume 4.1579623160333E+22
Surface area 5.8041392570988E+15
Circumference 135034222.51605

Square

Length = n
Perimeter 85965456
Area 461878726580496
Diagonal 30393378.442697

Cube

Length = n
Surface area 2771272359482976
Volume 9.9264038367979E+21
Space diagonal 37224134.371957

Equilateral Triangle

Length = n
Perimeter 64474092
Area 1.9999935534316E+14
Altitude 18612067.185978

Triangular Pyramid

Length = n
Surface area 1.9999935534316E+14
Volume 1.169837910966E+21
Height 10131126.147566