21887746 (number)

21887746 is an even 8-digits composite number following 21887745 and preceding 21887747. In scientific notation, it is written as 2.1887746 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 10936020 positive integers (up to 21887746) that are relatively prime to 21887746.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand seven hundred forty-six

Notation

Scientific notation 2.1887746 × 10^7
Engineering notation 2.1887746 × 10^6

Prime Factorization of 21887746

Prime Factorization 2 × 6043 × 1811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21887746
Product of the distinct prime numbers

The prime factorization of 21887746 is 2 × 6043 × 1811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887746)

Multiplication

n×y
n×2 43775492
n×3 65663238
n×4 87550984
n×5 109438730

Division

n÷y
n÷2 10943873
n÷3 7295915.3333333
n÷3 5471936.5
n÷5 4377549.2

Exponentiation

ny
n2 479073424960516
n3 1.0485837440886E+22
n4 2.295113465034E+29
n5 5.0234860563844E+36

Nth Root

y√n
2√n 4678.4341397523
3√n 279.72654424697
4√n 68.399079962762
5√n 29.379216393414

Divisors of 21887746

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21887745
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21887746 can be divided by 8 positive divisors. The sum of these divisors (counting 21887746) is 1, the average is 0.125.

Base conversion 21887746

Base System Value
2 Binary 1010011011111101100000010
3 Ternary 1112012000100021
4 Quaternary 1103133230002
5 Quinary 21100401441
6 Senary 2101044054
8 Octal 123375402
10 Decimal 21887746
12 Duodecimal 73b662a
16 Hexadecimal 14dfb02
20 Vigesimal 6gfj76
36 Base36 d14oy

Cryptographic Hash Functions

md5 37ccfb627f3ca7c7e2922e46c428e3f1
sha1 32ca68d5c251685622e39472f4360b44463a727f
sha256 69b792b624c4c442834ea70b26abe2dba54637a187da372324418512acbb12eb
sha512 6a0c3e0daa67d558625fb781e3920dcbec5928a157db436cac811ffcfebaf7ddbea033e13f912b3f959cbbbef176dc4c02c7e6b9bd76f712f9a82457422d6a0c
ripemd-160 cbc3c784f07f6d30bfcc484e14f505569a41b100

21887746 as geometric shapes

Circle

Radius = n
Diameter 43775492
Circumference 137524764.07448
Area 1.5050535523861E+15

Sphere

Radius = n
Volume 4.3922973161365E+22
Surface area 6.0202142095442E+15
Circumference 137524764.07448

Square

Length = n
Perimeter 87550984
Area 479073424960516
Diagonal 30953947.242977

Cube

Length = n
Surface area 2874440549763096
Volume 1.0485837440886E+22
Space diagonal 37910688.135162

Equilateral Triangle

Length = n
Perimeter 65663238
Area 2.0744487814691E+14
Altitude 18955344.067581

Triangular Pyramid

Length = n
Surface area 2.0744487814691E+14
Volume 1.2357677934784E+21
Height 10317982.414326