21497782 (number)

21497782 is an even 8-digits composite number following 21497781 and preceding 21497783. In scientific notation, it is written as 2.1497782 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10738152 positive integers (up to 21497782) that are relatively prime to 21497782.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497782 × 10^7
Engineering notation 2.1497782 × 10^6

Prime Factorization of 21497782

Prime Factorization 2 × 1117 × 9623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497782
Product of the distinct prime numbers

The prime factorization of 21497782 is 2 × 1117 × 9623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497782)

Multiplication

n×y
n×2 42995564
n×3 64493346
n×4 85991128
n×5 107488910

Division

n÷y
n÷2 10748891
n÷3 7165927.3333333
n÷3 5374445.5
n÷5 4299556.4

Exponentiation

ny
n2 462154630919524
n3 9.9352995057984E+21
n4 2.1358690288036E+29
n5 4.5916446761772E+36

Nth Root

y√n
2√n 4636.5700684881
3√n 278.05532601394
4√n 68.092364245106
5√n 29.273775028282

Divisors of 21497782

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 -21497781
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 21497782 can be divided by 8 positive divisors. The sum of these divisors (counting 21497782) is 1, the average is 0.125.

Base conversion 21497782

Base System Value
2 Binary 1010010000000011110110110
3 Ternary 1111110012102011
4 Quaternary 1102000132312
5 Quinary 21000412112
6 Senary 2044434434
8 Octal 122003666
10 Decimal 21497782
12 Duodecimal 7248a1a
16 Hexadecimal 14807b6
20 Vigesimal 6e7492
36 Base36 csrsm

Cryptographic Hash Functions

md5 4a321a3ba62d9e6bc3305250af756c39
sha1 ad45ee7b3864a114a5d513683a037266f061a366
sha256 815f3a6a4d1a1b72cf71282d3d22c8188067ab20076d387aa9eba2ec37834af1
sha512 abe44061d8c27d164dc7fb097d73c261c58a2888bd7207df3553e2cb406a21b042fb62c49d797e6170f5c443d1b3fc4b2c34306f84fe9092d4ed2e090bccb6f2
ripemd-160 6c2970b5710cf659382d5b8baee56e01e126bc6b

21497782 as geometric shapes

Circle

Radius = n
Diameter 42995564
Circumference 135074547.99935
Area 1.4519015933193E+15

Sphere

Radius = n
Volume 4.1616885251507E+22
Surface area 5.8076063732771E+15
Circumference 135074547.99935

Square

Length = n
Perimeter 85991128
Area 462154630919524
Diagonal 30402454.86534

Cube

Length = n
Surface area 2772927785517144
Volume 9.9352995057984E+21
Space diagonal 37235250.67404

Equilateral Triangle

Length = n
Perimeter 64493346
Area 2.0011882542646E+14
Altitude 18617625.33702

Triangular Pyramid

Length = n
Surface area 2.0011882542646E+14
Volume 1.1708862756116E+21
Height 10134151.62178