21494839 (number)

21494839 is an odd 8-digits composite number following 21494838 and preceding 21494840. In scientific notation, it is written as 2.1494839 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20638176 positive integers (up to 21494839) that are relatively prime to 21494839.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred thirty-nine

Notation

Scientific notation 2.1494839 × 10^7
Engineering notation 2.1494839 × 10^6

Prime Factorization of 21494839

Prime Factorization 53 × 47 × 8629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494839
Product of the distinct prime numbers

The prime factorization of 21494839 is 53 × 47 × 8629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494839)

Multiplication

n×y
n×2 42989678
n×3 64484517
n×4 85979356
n×5 107474195

Division

n÷y
n÷2 10747419.5
n÷3 7164946.3333333
n÷3 5373709.75
n÷5 4298967.8

Exponentiation

ny
n2 462028103635921
n3 9.9312197011294E+21
n4 2.1346996854941E+29
n5 4.5885026053045E+36

Nth Root

y√n
2√n 4636.2526894034
3√n 278.04263704337
4√n 68.090033701
5√n 29.272973481053

Divisors of 21494839

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 -21494838
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 21494839 can be divided by 8 positive divisors. The sum of these divisors (counting 21494839) is 1, the average is 0.125.

Base conversion 21494839

Base System Value
2 Binary 1010001111111110000110111
3 Ternary 1111110001101011
4 Quaternary 1101333300313
5 Quinary 21000313324
6 Senary 2044413051
8 Octal 121776067
10 Decimal 21494839
12 Duodecimal 7247187
16 Hexadecimal 147fc37
20 Vigesimal 6e6h1j
36 Base36 cspiv

Cryptographic Hash Functions

md5 1122a92493a6f70f26e7e6adad07ff38
sha1 717bfaaa1604217394b979c26ed1c0a54e730f05
sha256 6d67e74e0e5ffd100cb1fdec346da87518ef34b1ea8eec6bb99560e95cc16bdb
sha512 42b106a1725374e98b89d218d636978c2c5aa2bdae826c8c1b808ed78186debba93caafe706fcd379b829ec72cf1890bf042a995f579732f1f4aa2410ac040f3
ripemd-160 589aa9ab15a27ed6f2a16c9c83b350bcccaa3912

21494839 as geometric shapes

Circle

Radius = n
Diameter 42989678
Circumference 135056056.58499
Area 1.4515040961346E+15

Sphere

Radius = n
Volume 4.1599795805673E+22
Surface area 5.8060163845385E+15
Circumference 135056056.58499

Square

Length = n
Perimeter 85979356
Area 462028103635921
Diagonal 30398292.834826

Cube

Length = n
Surface area 2772168621815526
Volume 9.9312197011294E+21
Space diagonal 37230153.248513

Equilateral Triangle

Length = n
Perimeter 64484517
Area 2.0006403750553E+14
Altitude 18615076.624256

Triangular Pyramid

Length = n
Surface area 2.0006403750553E+14
Volume 1.1704054660203E+21
Height 10132764.278275