21887798 (number)

21887798 is an even 8-digits composite number following 21887797 and preceding 21887799. In scientific notation, it is written as 2.1887798 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 10554600 positive integers (up to 21887798) that are relatively prime to 21887798.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1887798 × 10^7
Engineering notation 2.1887798 × 10^6

Prime Factorization of 21887798

Prime Factorization 2 × 719 × 31 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21887798
Product of the distinct prime numbers

The prime factorization of 21887798 is 2 × 719 × 31 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887798)

Multiplication

n×y
n×2 43775596
n×3 65663394
n×4 87551192
n×5 109438990

Division

n÷y
n÷2 10943899
n÷3 7295932.6666667
n÷3 5471949.5
n÷5 4377559.6

Exponentiation

ny
n2 479075701288804
n3 1.0485912176518E+22
n4 2.2951352756536E+29
n5 5.023545729618E+36

Nth Root

y√n
2√n 4678.439697164
3√n 279.72676576771
4√n 68.399120587651
5√n 29.379230352986

Divisors of 21887798

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 -21887797
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 21887798 can be divided by 16 positive divisors. The sum of these divisors (counting 21887798) is 1, the average is 0.0625.

Base conversion 21887798

Base System Value
2 Binary 1010011011111101100110110
3 Ternary 1112012000102012
4 Quaternary 1103133230312
5 Quinary 21100402143
6 Senary 2101044222
8 Octal 123375466
10 Decimal 21887798
12 Duodecimal 73b6672
16 Hexadecimal 14dfb36
20 Vigesimal 6gfj9i
36 Base36 d14qe

Cryptographic Hash Functions

md5 49f441275cfe92bb54dada5bb6804c72
sha1 a00b51ce2210bac7917e3a6151a1e4920d642536
sha256 0a5e48ebacb79bb43ba048a61240171d915ea0c917f54be2abe830843115665e
sha512 7217c0d348d67e78cb3f94538e7ca1db0e2814be428277097b3fc79227158f1e5314c269b4aea086dce93c6f40b97c909e8679c796d6216dca99fef04ee25b59
ripemd-160 8bdd9afb7b31e8cf80a8353584acece8ef3bb5c1

21887798 as geometric shapes

Circle

Radius = n
Diameter 43775596
Circumference 137525090.80011
Area 1.5050607036823E+15

Sphere

Radius = n
Volume 4.3923286213248E+22
Surface area 6.0202428147291E+15
Circumference 137525090.80011

Square

Length = n
Perimeter 87551192
Area 479075701288804
Diagonal 30954020.782083

Cube

Length = n
Surface area 2874454207732824
Volume 1.0485912176518E+22
Space diagonal 37910778.201804

Equilateral Triangle

Length = n
Perimeter 65663394
Area 2.0744586382597E+14
Altitude 18955389.100902

Triangular Pyramid

Length = n
Surface area 2.0744586382597E+14
Volume 1.235776601157E+21
Height 10318006.927361