21497743 (number)

21497743 is an odd 8-digits composite number following 21497742 and preceding 21497744. In scientific notation, it is written as 2.1497743 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 21155040 positive integers (up to 21497743) that are relatively prime to 21497743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497743 × 10^7
Engineering notation 2.1497743 × 10^6

Prime Factorization of 21497743

Prime Factorization 167 × 109 × 1181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497743
Product of the distinct prime numbers

The prime factorization of 21497743 is 167 × 109 × 1181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497743)

Multiplication

n×y
n×2 42995486
n×3 64493229
n×4 85990972
n×5 107488715

Division

n÷y
n÷2 10748871.5
n÷3 7165914.3333333
n÷3 5374435.75
n÷5 4299548.6

Exponentiation

ny
n2 462152954094049
n3 9.9352454338047E+21
n4 2.1358535297786E+29
n5 4.5916030268822E+36

Nth Root

y√n
2√n 4636.5658627911
3√n 278.05515787001
4√n 68.092333362803
5√n 29.273764406925

Divisors of 21497743

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 -21497742
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 21497743 can be divided by 8 positive divisors. The sum of these divisors (counting 21497743) is 1, the average is 0.125.

Base conversion 21497743

Base System Value
2 Binary 1010010000000011110001111
3 Ternary 1111110012100201
4 Quaternary 1102000132033
5 Quinary 21000411433
6 Senary 2044434331
8 Octal 122003617
10 Decimal 21497743
12 Duodecimal 72489a7
16 Hexadecimal 148078f
20 Vigesimal 6e7473
36 Base36 csrrj

Cryptographic Hash Functions

md5 fe240adb796276dfdeaabd7dd40ec86b
sha1 465f0f161bb57a596de11f7db6f70756be4917ad
sha256 312e1147c472c6b464032b0a5b287535ba4dc6da79f330765ae590fc833be708
sha512 163f1fa1be324cd39bae0f0a9a7199e8740f5b544d325db42e0b76a096abb4aafb97527ee195b2fd1c03eea281ee82ac045fef71d00feebfb28c23ea670c4fe5
ripemd-160 3225de86769bbf77b38a90c21e58bdb739803ca3

21497743 as geometric shapes

Circle

Radius = n
Diameter 42995486
Circumference 135074302.95512
Area 1.4518963254167E+15

Sphere

Radius = n
Volume 4.161665875527E+22
Surface area 5.8075853016667E+15
Circumference 135074302.95512

Square

Length = n
Perimeter 85990972
Area 462152954094049
Diagonal 30402399.711011

Cube

Length = n
Surface area 2772917724564294
Volume 9.9352454338047E+21
Space diagonal 37235183.124058

Equilateral Triangle

Length = n
Perimeter 64493229
Area 2.0011809933973E+14
Altitude 18617591.562029

Triangular Pyramid

Length = n
Surface area 2.0011809933973E+14
Volume 1.170879903166E+21
Height 10134133.237004