21691709 (number)

21691709 is an odd 8-digits composite number following 21691708 and preceding 21691710. In scientific notation, it is written as 2.1691709 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20023104 positive integers (up to 21691709) that are relatively prime to 21691709.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand seven hundred nine

Notation

Scientific notation 2.1691709 × 10^7
Engineering notation 2.1691709 × 10^6

Prime Factorization of 21691709

Prime Factorization 13 × 1668593

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21691709
Product of the distinct prime numbers

The prime factorization of 21691709 is 13 × 1668593. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691709)

Multiplication

n×y
n×2 43383418
n×3 65075127
n×4 86766836
n×5 108458545

Division

n÷y
n÷2 10845854.5
n÷3 7230569.6666667
n÷3 5422927.25
n÷5 4338341.8

Exponentiation

ny
n2 470530239340681
n3 1.0206605027478E+22
n4 2.21398706134E+29
n5 4.8025163064352E+36

Nth Root

y√n
2√n 4657.4358825431
3√n 278.88891746574
4√n 68.245409241524
5√n 29.326400003472

Divisors of 21691709

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691708
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691709 can be divided by 4 positive divisors. The sum of these divisors (counting 21691709) is 1, the average is 0.25.

Base conversion 21691709

Base System Value
2 Binary 1010010101111110100111101
3 Ternary 1111211001102122
4 Quaternary 1102233310331
5 Quinary 21023113314
6 Senary 2052532325
8 Octal 122576475
10 Decimal 21691709
12 Duodecimal 73210a5
16 Hexadecimal 14afd3d
20 Vigesimal 6fb959
36 Base36 cwxfh

Cryptographic Hash Functions

md5 d99b367796209c3ada6483d4d84863bb
sha1 2e8c13f13408f73ad46ef50c1dcd281dbbfaa031
sha256 4e0f88a85e0cfae3ce99ad1fbf84a2bd29a910615cb2dbdd99377ca741d5bf20
sha512 7bc3dded4b2fc5ebb006e5ccb5a3e6e565d8fd0c9ba6c8788b29bab92a4377228cf83c123d03f49bdd225a1b6c8db87afc08c520058d43e5e092bb9b4edbcb12
ripemd-160 2d0cf0d31b631a689fbe976956478f9932ea0d92

21691709 as geometric shapes

Circle

Radius = n
Diameter 43383418
Circumference 136293027.27642
Area 1.4782143432045E+15

Sphere

Radius = n
Volume 4.2753327163225E+22
Surface area 5.9128573728181E+15
Circumference 136293027.27642

Square

Length = n
Perimeter 86766836
Area 470530239340681
Diagonal 30676709.058851

Cube

Length = n
Surface area 2823181436044086
Volume 1.0206605027478E+22
Space diagonal 37571142.090999

Equilateral Triangle

Length = n
Perimeter 65075127
Area 2.037455702589E+14
Altitude 18785571.0455

Triangular Pyramid

Length = n
Surface area 2.037455702589E+14
Volume 1.2028599379704E+21
Height 10225569.686284