21491763 (number)

21491763 is an odd 8-digits composite number following 21491762 and preceding 21491764. In scientific notation, it is written as 2.1491763 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14224488 positive integers (up to 21491763) that are relatively prime to 21491763.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491763 × 10^7
Engineering notation 2.1491763 × 10^6

Prime Factorization of 21491763

Prime Factorization 3 × 139 × 51539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491763
Product of the distinct prime numbers

The prime factorization of 21491763 is 3 × 139 × 51539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491763)

Multiplication

n×y
n×2 42983526
n×3 64475289
n×4 85967052
n×5 107458815

Division

n÷y
n÷2 10745881.5
n÷3 7163921
n÷3 5372940.75
n÷5 4298352.6

Exponentiation

ny
n2 461895876848169
n3 9.926956715898E+21
n4 2.1334780104934E+29
n5 4.5852203767235E+36

Nth Root

y√n
2√n 4635.9209441059
3√n 278.02937339511
4√n 68.087597579192
5√n 29.272135616474

Divisors of 21491763

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491762
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491763 can be divided by 8 positive divisors. The sum of these divisors (counting 21491763) is 1, the average is 0.125.

Base conversion 21491763

Base System Value
2 Binary 1010001111111000000110011
3 Ternary 1111102220011020
4 Quaternary 1101333000303
5 Quinary 21000214023
6 Senary 2044350523
8 Octal 121770063
10 Decimal 21491763
12 Duodecimal 7245443
16 Hexadecimal 147f033
20 Vigesimal 6e6983
36 Base36 csn5f

Cryptographic Hash Functions

md5 f17eaf13670aa68e3befd3c562a05c4a
sha1 572c83f04903a50c77ffa2498ef4a19ce070883a
sha256 9b63ee6502da8bd1489556ad279c221bcfda8137354056de77abb800efc53518
sha512 88cd8c03766745d131fa08269c86206029a7053b65e0d1481af85b8493f20a0c8a22c1e09c3f3392864ce09c815c99c49a3aa68000c1c9b0f330c96826e02b1e
ripemd-160 85f5c20b3c62f976465ba22056f9d811e45ffd07

21491763 as geometric shapes

Circle

Radius = n
Diameter 42983526
Circumference 135036729.50699
Area 1.4510886934296E+15

Sphere

Radius = n
Volume 4.1581939054892E+22
Surface area 5.8043547737185E+15
Circumference 135036729.50699

Square

Length = n
Perimeter 85967052
Area 461895876848169
Diagonal 30393942.713908

Cube

Length = n
Surface area 2771375261089014
Volume 9.926956715898E+21
Space diagonal 37224825.460229

Equilateral Triangle

Length = n
Perimeter 64475289
Area 2.000067816269E+14
Altitude 18612412.730114

Triangular Pyramid

Length = n
Surface area 2.000067816269E+14
Volume 1.1699030683928E+21
Height 10131314.237969