21691842 (number)

21691842 is an even 8-digits composite number following 21691841 and preceding 21691843. In scientific notation, it is written as 2.1691842 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7035120 positive integers (up to 21691842) that are relatively prime to 21691842.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred forty-two

Notation

Scientific notation 2.1691842 × 10^7
Engineering notation 2.1691842 × 10^6

Prime Factorization of 21691842

Prime Factorization 2 × 3 × 37 × 97711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21691842
Product of the distinct prime numbers

The prime factorization of 21691842 is 2 × 3 × 37 × 97711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691842)

Multiplication

n×y
n×2 43383684
n×3 65075526
n×4 86767368
n×5 108459210

Division

n÷y
n÷2 10845921
n÷3 7230614
n÷3 5422960.5
n÷5 4338368.4

Exponentiation

ny
n2 470536009352964
n3 1.0206792770195E+22
n4 2.2140413609781E+29
n5 4.8026635383802E+36

Nth Root

y√n
2√n 4657.4501607639
3√n 278.88948745541
4√n 68.245513850831
5√n 29.326435965614

Divisors of 21691842

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 -21691841
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 21691842 can be divided by 16 positive divisors. The sum of these divisors (counting 21691842) is 1, the average is 0.0625.

Base conversion 21691842

Base System Value
2 Binary 1010010101111110111000010
3 Ternary 1111211001121120
4 Quaternary 1102233313002
5 Quinary 21023114332
6 Senary 2052533110
8 Octal 122576702
10 Decimal 21691842
12 Duodecimal 7321196
16 Hexadecimal 14afdc2
20 Vigesimal 6fb9c2
36 Base36 cwxj6

Cryptographic Hash Functions

md5 105b72e900cca79cf69289fce685e89d
sha1 b4926278b3cab1a4201e3e0aaf2ce5fe65500c18
sha256 4c3e905d0f41aa8cec234917b310faccb676a00752852b5d5248a4594ae03e5c
sha512 9a7e11267670b79a2ad3082c4a12967794d65bbab20e9992e2fa5a0607c7831fe4a72714e60f3f616fc5c051757da15aa46dca61c33d3f6a69379c309b0ae7e6
ripemd-160 7dac14bb26bd67a2a27a84785ac6987e3fc110f7

21691842 as geometric shapes

Circle

Radius = n
Diameter 43383684
Circumference 136293862.94006
Area 1.4782324702327E+15

Sphere

Radius = n
Volume 4.2754113578077E+22
Surface area 5.9129298809309E+15
Circumference 136293862.94006

Square

Length = n
Perimeter 86767368
Area 470536009352964
Diagonal 30676897.149254

Cube

Length = n
Surface area 2823216056117784
Volume 1.0206792770195E+22
Space diagonal 37571372.453756

Equilateral Triangle

Length = n
Perimeter 65075526
Area 2.0374806874751E+14
Altitude 18785686.226878

Triangular Pyramid

Length = n
Surface area 2.0374806874751E+14
Volume 1.2028820636618E+21
Height 10225632.383085