21691804 (number)

21691804 is an even 8-digits composite number following 21691803 and preceding 21691805. In scientific notation, it is written as 2.1691804 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10697184 positive integers (up to 21691804) that are relatively prime to 21691804.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred four

Notation

Scientific notation 2.1691804 × 10^7
Engineering notation 2.1691804 × 10^6

Prime Factorization of 21691804

Prime Factorization 2 × 2 × 73 × 74287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10845902
Product of the distinct prime numbers

The prime factorization of 21691804 is 2 × 2 × 73 × 74287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 20, 80, 821, 213, 8707, 7769, 89663, 61693, 262157, 721190, 6528524, 7688701, 5479059, 48783362, 503336805, 217256310, 8421686721, 289053266

Basic calculations (n = 21691804)

Multiplication

n×y
n×2 43383608
n×3 65075412
n×4 86767216
n×5 108459020

Division

n÷y
n÷2 10845902
n÷3 7230601.3333333
n÷3 5422951
n÷5 4338360.8

Exponentiation

ny
n2 470534360774416
n3 1.0206739129184E+22
n4 2.2140258466939E+29
n5 4.8026214717418E+36

Nth Root

y√n
2√n 4657.4460812767
3√n 278.88932460146
4√n 68.245483962507
5√n 29.326425690735

Divisors of 21691804

1, 2, 4, 73, 146, 292, 74287, 148574, 297148, 5422951, 10845902, 21691804

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691803
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691804 can be divided by 12 positive divisors. The sum of these divisors (counting 21691804) is 1, the average is 0.083333333333333.

Base conversion 21691804

Base System Value
2 Binary 1010010101111110110011100
3 Ternary 1111211001120011
4 Quaternary 1102233312130
5 Quinary 21023114204
6 Senary 2052533004
8 Octal 122576634
10 Decimal 21691804
12 Duodecimal 7321164
16 Hexadecimal 14afd9c
20 Vigesimal 6fb9a4
36 Base36 cwxi4

Cryptographic Hash Functions

md5 99d0e43bb7d479a4f6b55f5f8b00752c
sha1 d67482a8d3dd4fac23735f1d574988410665b79a
sha256 aaeac86612e0bbd1d05c0baa8d961bc23033cb81638f98ab8f3950f6873fddef
sha512 2adf6096362c18ff433789fa8798f7a35e9b9860249ebc48d925c3d8b5a5d985449aac03fe8740268d1d9e8a214586d38ce1d17fa4d87b8dcdbc0403e3d9b449
ripemd-160 d8f77a5ccd517f6e5b34dc31a626a4e6ef37b628

21691804 as geometric shapes

Circle

Radius = n
Diameter 43383608
Circumference 136293624.17902
Area 1.4782272910705E+15

Sphere

Radius = n
Volume 4.2753888887136E+22
Surface area 5.9129091642819E+15
Circumference 136293624.17902

Square

Length = n
Perimeter 86767216
Area 470534360774416
Diagonal 30676843.409139

Cube

Length = n
Surface area 2823206164646496
Volume 1.0206739129184E+22
Space diagonal 37571306.635826

Equilateral Triangle

Length = n
Perimeter 65075412
Area 2.0374735489206E+14
Altitude 18785653.317913

Triangular Pyramid

Length = n
Surface area 2.0374735489206E+14
Volume 1.202875742008E+21
Height 10225614.469713