21497631 (number)

21497631 is an odd 8-digits composite number following 21497630 and preceding 21497632. In scientific notation, it is written as 2.1497631 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14320152 positive integers (up to 21497631) that are relatively prime to 21497631.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497631 × 10^7
Engineering notation 2.1497631 × 10^6

Prime Factorization of 21497631

Prime Factorization 3 × 1783 × 4019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497631
Product of the distinct prime numbers

The prime factorization of 21497631 is 3 × 1783 × 4019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497631)

Multiplication

n×y
n×2 42995262
n×3 64492893
n×4 85990524
n×5 107488155

Division

n÷y
n÷2 10748815.5
n÷3 7165877
n÷3 5374407.75
n÷5 4299526.2

Exponentiation

ny
n2 462148138612161
n3 9.9350901512211E+21
n4 2.1358090202269E+29
n5 4.5914834203308E+36

Nth Root

y√n
2√n 4636.5537848708
3√n 278.05467499402
4√n 68.092244674932
5√n 29.273733904482

Divisors of 21497631

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 -21497630
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 21497631 can be divided by 8 positive divisors. The sum of these divisors (counting 21497631) is 1, the average is 0.125.

Base conversion 21497631

Base System Value
2 Binary 1010010000000011100011111
3 Ternary 1111110012012120
4 Quaternary 1102000130133
5 Quinary 21000411011
6 Senary 2044434023
8 Octal 122003437
10 Decimal 21497631
12 Duodecimal 7248913
16 Hexadecimal 148071f
20 Vigesimal 6e741b
36 Base36 csrof

Cryptographic Hash Functions

md5 03d69c4594bc49f125bc9198d71d39aa
sha1 e7b39e43aed243693a5712c6262cded5c8f8828f
sha256 522d658603f722a02d5d3c1e07f6106d1d4980ae6420039e9719e67b354d3251
sha512 6fea162b22ee7e458f9f83011cf0be453dbe74bf66faef5af4d21905b8016946590575a15e8c49a2473727d4899414aa04bf00aa9fb22935dea41382c72b0cee
ripemd-160 0b4c4f50b69bed00caaa120f68b9a4e1b992dc7a

21497631 as geometric shapes

Circle

Radius = n
Diameter 42995262
Circumference 135073599.23837
Area 1.4518811971342E+15

Sphere

Radius = n
Volume 4.1616008309105E+22
Surface area 5.8075247885366E+15
Circumference 135073599.23837

Square

Length = n
Perimeter 85990524
Area 462148138612161
Diagonal 30402241.319092

Cube

Length = n
Surface area 2772888831672966
Volume 9.9350901512211E+21
Space diagonal 37234989.134368

Equilateral Triangle

Length = n
Perimeter 64492893
Area 2.0011601417491E+14
Altitude 18617494.567184

Triangular Pyramid

Length = n
Surface area 2.0011601417491E+14
Volume 1.170861602938E+21
Height 10134080.439697