21497639 (number)

21497639 is an odd 8-digits composite number following 21497638 and preceding 21497640. In scientific notation, it is written as 2.1497639 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 20192256 positive integers (up to 21497639) that are relatively prime to 21497639.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand six hundred thirty-nine

Notation

Scientific notation 2.1497639 × 10^7
Engineering notation 2.1497639 × 10^6

Prime Factorization of 21497639

Prime Factorization 17 × 673 × 1879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497639
Product of the distinct prime numbers

The prime factorization of 21497639 is 17 × 673 × 1879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497639)

Multiplication

n×y
n×2 42995278
n×3 64492917
n×4 85990556
n×5 107488195

Division

n÷y
n÷2 10748819.5
n÷3 7165879.6666667
n÷3 5374409.75
n÷5 4299527.8

Exponentiation

ny
n2 462148482574321
n3 9.9351012427805E+21
n4 2.1358121994575E+29
n5 4.5914919635733E+36

Nth Root

y√n
2√n 4636.5546475805
3√n 278.05470948522
4√n 68.092251009792
5√n 29.273736083232

Divisors of 21497639

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 -21497638
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 21497639 can be divided by 8 positive divisors. The sum of these divisors (counting 21497639) is 1, the average is 0.125.

Base conversion 21497639

Base System Value
2 Binary 1010010000000011100100111
3 Ternary 1111110012012212
4 Quaternary 1102000130213
5 Quinary 21000411024
6 Senary 2044434035
8 Octal 122003447
10 Decimal 21497639
12 Duodecimal 724891b
16 Hexadecimal 1480727
20 Vigesimal 6e741j
36 Base36 csron

Cryptographic Hash Functions

md5 e41630ba2a8c1fa258a71c48eebcd185
sha1 e042736d378f7487980cc931e40cc3e0ad13ee12
sha256 0479a5546a87e4940b5294111c2dae0dcb0428a1792b20b1b1b46de3220eb79c
sha512 c2b01883b4f16c244c612b0d4dc63f42ce90372e8faf58b915392a36c226fa8459a87e191c73d22f60f4a4e18afeb7294389dc244fb3d3f022f7d180acef8d71
ripemd-160 bd8410a6a279997d5cdbc60b967b360add46ea10

21497639 as geometric shapes

Circle

Radius = n
Diameter 42995278
Circumference 135073649.50385
Area 1.4518822777232E+15

Sphere

Radius = n
Volume 4.161605476932E+22
Surface area 5.8075291108926E+15
Circumference 135073649.50385

Square

Length = n
Perimeter 85990556
Area 462148482574321
Diagonal 30402252.632801

Cube

Length = n
Surface area 2772890895445926
Volume 9.9351012427805E+21
Space diagonal 37235002.990774

Equilateral Triangle

Length = n
Perimeter 64492917
Area 2.001161631149E+14
Altitude 18617501.495387

Triangular Pyramid

Length = n
Surface area 2.001161631149E+14
Volume 1.1708629100908E+21
Height 10134084.210934