21887842 (number)

21887842 is an even 8-digits composite number following 21887841 and preceding 21887843. In scientific notation, it is written as 2.1887842 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10943920 positive integers (up to 21887842) that are relatively prime to 21887842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1887842 × 10^7
Engineering notation 2.1887842 × 10^6

Prime Factorization of 21887842

Prime Factorization 2 × 10943921

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21887842
Product of the distinct prime numbers

The prime factorization of 21887842 is 2 × 10943921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887842)

Multiplication

n×y
n×2 43775684
n×3 65663526
n×4 87551368
n×5 109439210

Division

n÷y
n÷2 10943921
n÷3 7295947.3333333
n÷3 5471960.5
n÷5 4377568.4

Exponentiation

ny
n2 479077627416964
n3 1.0485975414637E+22
n4 2.2951537309147E+29
n5 5.0235962227971E+36

Nth Root

y√n
2√n 4678.4443995841
3√n 279.72695320805
4√n 68.3991549625
5√n 29.379242164911

Divisors of 21887842

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 -21887841
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 21887842 can be divided by 4 positive divisors. The sum of these divisors (counting 21887842) is 1, the average is 0.25.

Base conversion 21887842

Base System Value
2 Binary 1010011011111101101100010
3 Ternary 1112012000110211
4 Quaternary 1103133231202
5 Quinary 21100402332
6 Senary 2101044334
8 Octal 123375542
10 Decimal 21887842
12 Duodecimal 73b66aa
16 Hexadecimal 14dfb62
20 Vigesimal 6gfjc2
36 Base36 d14rm

Cryptographic Hash Functions

md5 41577f0516cd1e835e2c439cc28470c1
sha1 1b4bd1fa8dda0f330dbf03fd1fbb90af2c4cb6b7
sha256 8c71aa512ba4c5a05613e7d7295708cdb28fb3fa117d237366061ae49fe34727
sha512 1e6eb338ce98c13f6535b05e5c54c5e04d3963489829130175e3035f2c4e5f6a2172a941b876ba7d7728c5e0a523af645693acaa038adfec3ae830a2bf83d804
ripemd-160 5942adf935584bce2122017138dea87159a11458

21887842 as geometric shapes

Circle

Radius = n
Diameter 43775684
Circumference 137525367.26027
Area 1.5050667547924E+15

Sphere

Radius = n
Volume 4.3923551104464E+22
Surface area 6.0202670191694E+15
Circumference 137525367.26027

Square

Length = n
Perimeter 87551368
Area 479077627416964
Diagonal 30954083.007479

Cube

Length = n
Surface area 2874465764501784
Volume 1.0485975414637E+22
Space diagonal 37910854.41204

Equilateral Triangle

Length = n
Perimeter 65663526
Area 2.0744669786393E+14
Altitude 18955427.20602

Triangular Pyramid

Length = n
Surface area 2.0744669786393E+14
Volume 1.2357840538409E+21
Height 10318027.66916