21491484 (number)

21491484 is an even 8-digits composite number following 21491483 and preceding 21491485. In scientific notation, it is written as 2.1491484 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 6140400 positive integers (up to 21491484) that are relatively prime to 21491484.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand four hundred eighty-four

Notation

Scientific notation 2.1491484 × 10^7
Engineering notation 2.1491484 × 10^6

Prime Factorization of 21491484

Prime Factorization 2 × 2 × 21 × 255851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745742
Product of the distinct prime numbers

The prime factorization of 21491484 is 2 × 2 × 21 × 255851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491484)

Multiplication

n×y
n×2 42982968
n×3 64474452
n×4 85965936
n×5 107457420

Division

n÷y
n÷2 10745742
n÷3 7163828
n÷3 5372871
n÷5 4298296.8

Exponentiation

ny
n2 461883884522256
n3 9.9265701140679E+21
n4 2.1333672278137E+29
n5 4.5849227642682E+36

Nth Root

y√n
2√n 4635.8908528998
3√n 278.02817029029
4√n 68.087376604623
5√n 29.27205961556

Divisors of 21491484

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491483
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491484 can be divided by 12 positive divisors. The sum of these divisors (counting 21491484) is 1, the average is 0.083333333333333.

Base conversion 21491484

Base System Value
2 Binary 1010001111110111100011100
3 Ternary 1111102212202220
4 Quaternary 1101332330130
5 Quinary 21000211414
6 Senary 2044345340
8 Octal 121767434
10 Decimal 21491484
12 Duodecimal 7245250
16 Hexadecimal 147ef1c
20 Vigesimal 6e68e4
36 Base36 csmxo

Cryptographic Hash Functions

md5 b7503c5956233f6f0d0caa40c2c364fb
sha1 c4c4cdf15487eef35f560fa090a5a5ddca6e9449
sha256 7e54c59bd1991aac7e5d2a2dfd93cabc14dd03206627d448d668f6700ec2aa6d
sha512 71217bf040242b4500f0db0fbd3b3134c70a0b9caf9535def05448716a692ed711a92d6ea91ed6a89b0e7a82624a66beeb9a8a6435f3adfc77e81596aeeab4b8
ripemd-160 0f188f16d059a9223697bf85348b56e7a0fb8599

21491484 as geometric shapes

Circle

Radius = n
Diameter 42982968
Circumference 135034976.49829
Area 1.4510510184266E+15

Sphere

Radius = n
Volume 4.1580319660933E+22
Surface area 5.8042040737065E+15
Circumference 135034976.49829

Square

Length = n
Perimeter 85965936
Area 461883884522256
Diagonal 30393548.148324

Cube

Length = n
Surface area 2771303307133536
Volume 9.9265701140679E+21
Space diagonal 37224342.218054

Equilateral Triangle

Length = n
Perimeter 64474452
Area 2.0000158879746E+14
Altitude 18612171.109027

Triangular Pyramid

Length = n
Surface area 2.0000158879746E+14
Volume 1.1698575069302E+21
Height 10131182.716108