21693638 (number)

21693638 is an even 8-digits composite number following 21693637 and preceding 21693639. In scientific notation, it is written as 2.1693638 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10846818 positive integers (up to 21693638) that are relatively prime to 21693638.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-three thousand six hundred thirty-eight

Notation

Scientific notation 2.1693638 × 10^7
Engineering notation 2.1693638 × 10^6

Prime Factorization of 21693638

Prime Factorization 2 × 10846819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21693638
Product of the distinct prime numbers

The prime factorization of 21693638 is 2 × 10846819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21693638)

Multiplication

n×y
n×2 43387276
n×3 65080914
n×4 86774552
n×5 108468190

Division

n÷y
n÷2 10846819
n÷3 7231212.6666667
n÷3 5423409.5
n÷5 4338727.6

Exponentiation

ny
n2 470613929675044
n3 1.0209328228128E+22
n4 2.2147747080419E+29
n5 4.8046520767816E+36

Nth Root

y√n
2√n 4657.6429661364
3√n 278.89718423064
4√n 68.246926422634
5√n 29.326921572459

Divisors of 21693638

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 -21693637
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 21693638 can be divided by 4 positive divisors. The sum of these divisors (counting 21693638) is 1, the average is 0.25.

Base conversion 21693638

Base System Value
2 Binary 1010010110000010011000110
3 Ternary 1111211011002002
4 Quaternary 1102300103012
5 Quinary 21023144023
6 Senary 2052545302
8 Octal 122602306
10 Decimal 21693638
12 Duodecimal 7322232
16 Hexadecimal 14b04c6
20 Vigesimal 6fbe1i
36 Base36 cwyx2

Cryptographic Hash Functions

md5 53084e83d6829070093488bda405b079
sha1 282d1544395d3362c607ce461cb9832213d8253d
sha256 8d5266e971e484e156529471b318f2192c1cc6cb2677b3b79a5dec70613abbd8
sha512 140a54474afed298e3079a27bdc48e350167af926adc4e16d7db24f7fc4124c9d6982042c608286e250bd3ec878d8c0415fca94793fdb2d908e66f030252c110
ripemd-160 049664c4bc00e9b61c7aa67f405914b2c051bc22

21693638 as geometric shapes

Circle

Radius = n
Diameter 43387276
Circumference 136305147.54087
Area 1.4784772641441E+15

Sphere

Radius = n
Volume 4.2764734079431E+22
Surface area 5.9139090565766E+15
Circumference 136305147.54087

Square

Length = n
Perimeter 86774552
Area 470613929675044
Diagonal 30679437.076812

Cube

Length = n
Surface area 2823683578050264
Volume 1.0209328228128E+22
Space diagonal 37574483.217007

Equilateral Triangle

Length = n
Perimeter 65080914
Area 2.0378180923671E+14
Altitude 18787241.608503

Triangular Pyramid

Length = n
Surface area 2.0378180923671E+14
Volume 1.2031808702447E+21
Height 10226479.025604