21691715 (number)

21691715 is an odd 8-digits composite number following 21691714 and preceding 21691716. In scientific notation, it is written as 2.1691715 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17353368 positive integers (up to 21691715) that are relatively prime to 21691715.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691715 × 10^7
Engineering notation 2.1691715 × 10^6

Prime Factorization of 21691715

Prime Factorization 5 × 4338343

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21691715
Product of the distinct prime numbers

The prime factorization of 21691715 is 5 × 4338343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691715)

Multiplication

n×y
n×2 43383430
n×3 65075145
n×4 86766860
n×5 108458575

Division

n÷y
n÷2 10845857.5
n÷3 7230571.6666667
n÷3 5422928.75
n÷5 4338343

Exponentiation

ny
n2 470530499641225
n3 1.0206613497025E+22
n4 2.2139895109262E+29
n5 4.8025229484001E+36

Nth Root

y√n
2√n 4657.4365266743
3√n 278.88894317961
4√n 68.245413960751
5√n 29.326401625828

Divisors of 21691715

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 -21691714
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 21691715 can be divided by 4 positive divisors. The sum of these divisors (counting 21691715) is 1, the average is 0.25.

Base conversion 21691715

Base System Value
2 Binary 1010010101111110101000011
3 Ternary 1111211001102212
4 Quaternary 1102233311003
5 Quinary 21023113330
6 Senary 2052532335
8 Octal 122576503
10 Decimal 21691715
12 Duodecimal 73210ab
16 Hexadecimal 14afd43
20 Vigesimal 6fb95f
36 Base36 cwxfn

Cryptographic Hash Functions

md5 8d1f6153ad5bcca62ab900763ad41816
sha1 9c620bb307748551bd453daa57467924909c4066
sha256 a0d4c8aee6b412497f1f38ed291add682601d1ca8aa36d0d7b335e4cdd0962ba
sha512 7e4bda26dfe351320603c09ce425ffd5aa4237669f0725f031fd6a10fc9d7b9a211999ace893d9d9ca2253c064f66b89a9dad0ac8285b2c41dc0bc9594d72aab
ripemd-160 b7044ca37a449ea9d6cbf434fd49357874661026

21691715 as geometric shapes

Circle

Radius = n
Diameter 43383430
Circumference 136293064.97553
Area 1.4782151609628E+15

Sphere

Radius = n
Volume 4.2753362640379E+22
Surface area 5.9128606438512E+15
Circumference 136293064.97553

Square

Length = n
Perimeter 86766860
Area 470530499641225
Diagonal 30676717.544132

Cube

Length = n
Surface area 2823182997847350
Volume 1.0206613497025E+22
Space diagonal 37571152.483304

Equilateral Triangle

Length = n
Perimeter 65075145
Area 2.0374568297234E+14
Altitude 18785576.241652

Triangular Pyramid

Length = n
Surface area 2.0374568297234E+14
Volume 1.2028609361161E+21
Height 10225572.514711