21887812 (number)

21887812 is an even 8-digits composite number following 21887811 and preceding 21887813. In scientific notation, it is written as 2.1887812 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10468040 positive integers (up to 21887812) that are relatively prime to 21887812.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand eight hundred twelve

Notation

Scientific notation 2.1887812 × 10^7
Engineering notation 2.1887812 × 10^6

Prime Factorization of 21887812

Prime Factorization 2 × 2 × 23 × 237911

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10943906
Product of the distinct prime numbers

The prime factorization of 21887812 is 2 × 2 × 23 × 237911. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887812)

Multiplication

n×y
n×2 43775624
n×3 65663436
n×4 87551248
n×5 109439060

Division

n÷y
n÷2 10943906
n÷3 7295937.3333333
n÷3 5471953
n÷5 4377562.4

Exponentiation

ny
n2 479076314147344
n3 1.048593229771E+22
n4 2.29514114777E+29
n5 5.0235617955855E+36

Nth Root

y√n
2√n 4678.4411933891
3√n 279.72682540784
4√n 68.399131525109
5√n 29.379234111328

Divisors of 21887812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21887811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21887812 can be divided by 12 positive divisors. The sum of these divisors (counting 21887812) is 1, the average is 0.083333333333333.

Base conversion 21887812

Base System Value
2 Binary 1010011011111101101000100
3 Ternary 1112012000102201
4 Quaternary 1103133231010
5 Quinary 21100402222
6 Senary 2101044244
8 Octal 123375504
10 Decimal 21887812
12 Duodecimal 73b6684
16 Hexadecimal 14dfb44
20 Vigesimal 6gfjac
36 Base36 d14qs

Cryptographic Hash Functions

md5 c8126eb81a4ad7bb53fb9646ed4d7884
sha1 bf70560131e9a931eebafcd671e9b5d75078c8e5
sha256 4c05fdb18108ed79d2008045b3d8be5ea083279052015543d0ccd5b4ace7824e
sha512 0e68f51fc836694ed5c1fdb815c8c8a437194cada531642333414f87a8460e8a4e55059f03094c82c9db89311ab2e79ddd975abde2e63d1f5b4d73993a1baff3
ripemd-160 ffa29cb364a26ce74b2dd33e809318e7fef19e86

21887812 as geometric shapes

Circle

Radius = n
Diameter 43775624
Circumference 137525178.76471
Area 1.5050626290342E+15

Sphere

Radius = n
Volume 4.3923370496701E+22
Surface area 6.0202505161367E+15
Circumference 137525178.76471

Square

Length = n
Perimeter 87551248
Area 479076314147344
Diagonal 30954040.581073

Cube

Length = n
Surface area 2874457884884064
Volume 1.048593229771E+22
Space diagonal 37910802.450516

Equilateral Triangle

Length = n
Perimeter 65663436
Area 2.0744612920151E+14
Altitude 18955401.225258

Triangular Pyramid

Length = n
Surface area 2.0744612920151E+14
Volume 1.2357789724623E+21
Height 10318013.527024