21691495 (number)

21691495 is an odd 8-digits composite number following 21691494 and preceding 21691496. In scientific notation, it is written as 2.1691495 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 14829984 positive integers (up to 21691495) that are relatively prime to 21691495.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691495 × 10^7
Engineering notation 2.1691495 × 10^6

Prime Factorization of 21691495

Prime Factorization 5 × 7 × 443 × 1399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21691495
Product of the distinct prime numbers

The prime factorization of 21691495 is 5 × 7 × 443 × 1399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691495)

Multiplication

n×y
n×2 43382990
n×3 65074485
n×4 86765980
n×5 108457475

Division

n÷y
n÷2 10845747.5
n÷3 7230498.3333333
n÷3 5422873.75
n÷5 4338299

Exponentiation

ny
n2 470520955335025
n3 1.0206302950045E+22
n4 2.2138996940938E+29
n5 4.8022794144938E+36

Nth Root

y√n
2√n 4657.4129084718
3√n 278.88800033461
4√n 68.24524092178
5√n 29.326342139204

Divisors of 21691495

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 -21691494
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 21691495 can be divided by 16 positive divisors. The sum of these divisors (counting 21691495) is 1, the average is 0.0625.

Base conversion 21691495

Base System Value
2 Binary 1010010101111110001100111
3 Ternary 1111211001010201
4 Quaternary 1102233301213
5 Quinary 21023111440
6 Senary 2052531331
8 Octal 122576147
10 Decimal 21691495
12 Duodecimal 7320b47
16 Hexadecimal 14afc67
20 Vigesimal 6fb8ef
36 Base36 cwx9j

Cryptographic Hash Functions

md5 89d04b39e972d219ccb4d8ead3e4d3f2
sha1 95059a1f22aa26f044fef9e01b9f70adfefbead0
sha256 624dfce23ac049862906103945941679f6f180c9b011c093b043885d8b39df34
sha512 0cb58ce8129c551c58c702e80fd80e79a020ab89c9486e387bfb11ecd65d3b541e600db80812ec0ca0adce24e4f62c75fc79fe78e3bf8b0621a3035718f254ea
ripemd-160 d72576c025a421265c2fca7ecb65f83233f1ff57

21691495 as geometric shapes

Circle

Radius = n
Diameter 43382990
Circumference 136291682.67476
Area 1.4781851766406E+15

Sphere

Radius = n
Volume 4.2752061824231E+22
Surface area 5.9127407065623E+15
Circumference 136291682.67476

Square

Length = n
Perimeter 86765980
Area 470520955335025
Diagonal 30676406.417148

Cube

Length = n
Surface area 2823125732010150
Volume 1.0206302950045E+22
Space diagonal 37570771.432126

Equilateral Triangle

Length = n
Perimeter 65074485
Area 2.0374155016653E+14
Altitude 18785385.716063

Triangular Pyramid

Length = n
Surface area 2.0374155016653E+14
Volume 1.2028243378035E+21
Height 10225468.805716