21497742 (number)

21497742 is an even 8-digits composite number following 21497741 and preceding 21497743. In scientific notation, it is written as 2.1497742 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6039360 positive integers (up to 21497742) that are relatively prime to 21497742.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497742 × 10^7
Engineering notation 2.1497742 × 10^6

Prime Factorization of 21497742

Prime Factorization 2 × 63 × 61 × 2797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497742
Product of the distinct prime numbers

The prime factorization of 21497742 is 2 × 63 × 61 × 2797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 2, 38, 98, 356, 8725, 6723, 81388, 89475, 643711, 961378, 38926, 8148433, 81727887, 62807836, 162742083, 586405354, 8926884305, 88462764

Basic calculations (n = 21497742)

Multiplication

n×y
n×2 42995484
n×3 64493226
n×4 85990968
n×5 107488710

Division

n÷y
n÷2 10748871
n÷3 7165914
n÷3 5374435.5
n÷5 4299548.4

Exponentiation

ny
n2 462152911098564
n3 9.9352440473459E+21
n4 2.1358531323688E+29
n5 4.5916019589556E+36

Nth Root

y√n
2√n 4636.5657549527
3√n 278.05515355863
4√n 68.092332570949
5√n 29.273764134583

Divisors of 21497742

1, 2, 61, 63, 122, 126, 2797, 3843, 5594, 7686, 170617, 176211, 341234, 352422, 10748871, 21497742

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497742 can be divided by 16 positive divisors. The sum of these divisors (counting 21497742) is 1, the average is 0.0625.

Base conversion 21497742

Base System Value
2 Binary 1010010000000011110001110
3 Ternary 1111110012100200
4 Quaternary 1102000132032
5 Quinary 21000411432
6 Senary 2044434330
8 Octal 122003616
10 Decimal 21497742
12 Duodecimal 72489a6
16 Hexadecimal 148078e
20 Vigesimal 6e7472
36 Base36 csrri

Cryptographic Hash Functions

md5 ee66b8fc575f73df157e5c0faf78785f
sha1 1feab3c0dd132e377e8933c33953a33f3e05ad35
sha256 511c4785be00741980390e2c55361971c14269c14cdbe8621d6882069ffbe73e
sha512 ca4ac12ce7ee6755350240a55678a4a5811f197c4f8c5e8834a944a04c6b6613c3e0b4fd2dc757df0d90a82eae18a1cc85551c298595c5d6fefa189f09ae5d56
ripemd-160 b4f10dd3ae4d22078dae5237ea708ca72c73231f

21497742 as geometric shapes

Circle

Radius = n
Diameter 42995484
Circumference 135074296.67194
Area 1.4518961903424E+15

Sphere

Radius = n
Volume 4.1616652947685E+22
Surface area 5.8075847613695E+15
Circumference 135074296.67194

Square

Length = n
Perimeter 85990968
Area 462152911098564
Diagonal 30402398.296798

Cube

Length = n
Surface area 2772917466591384
Volume 9.9352440473459E+21
Space diagonal 37235181.392007

Equilateral Triangle

Length = n
Perimeter 64493226
Area 2.0011808072214E+14
Altitude 18617590.696004

Triangular Pyramid

Length = n
Surface area 2.0011808072214E+14
Volume 1.1708797397703E+21
Height 10134132.765599