21887739 (number)

21887739 is an odd 8-digits composite number following 21887738 and preceding 21887740. In scientific notation, it is written as 2.1887739 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 14591664 positive integers (up to 21887739) that are relatively prime to 21887739.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand seven hundred thirty-nine

Notation

Scientific notation 2.1887739 × 10^7
Engineering notation 2.1887739 × 10^6

Prime Factorization of 21887739

Prime Factorization 243 × 90073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21887739
Product of the distinct prime numbers

The prime factorization of 21887739 is 243 × 90073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887739)

Multiplication

n×y
n×2 43775478
n×3 65663217
n×4 87550956
n×5 109438695

Division

n÷y
n÷2 10943869.5
n÷3 7295913
n÷3 5471934.75
n÷5 4377547.8

Exponentiation

ny
n2 479073118532121
n3 1.0485827380347E+22
n4 2.2951105290009E+29
n5 5.0234780234924E+36

Nth Root

y√n
2√n 4678.4333916387
3√n 279.72651442684
4√n 68.399074494021
5√n 29.379214514239

Divisors of 21887739

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 -21887738
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 21887739 can be divided by 4 positive divisors. The sum of these divisors (counting 21887739) is 1, the average is 0.25.

Base conversion 21887739

Base System Value
2 Binary 1010011011111101011111011
3 Ternary 1112012000100000
4 Quaternary 1103133223323
5 Quinary 21100401424
6 Senary 2101044043
8 Octal 123375373
10 Decimal 21887739
12 Duodecimal 73b6623
16 Hexadecimal 14dfafb
20 Vigesimal 6gfj6j
36 Base36 d14or

Cryptographic Hash Functions

md5 ac3dacfa43327dccde460bd618e2bb29
sha1 5f08d0c9816b2bf5d5814bcb691bc594f0eee5fe
sha256 c9c1a54d0cc9fb4ca1c2653bd76cb813819ae1635e5289f001f159a5ac660166
sha512 3f6170bf5d8771be251caaef389e20a0943aeefb4b7247a4dc84bcea3f9d966b7f61619b6c69986addc253659b23fe54a90a34598e08fdeaad56d00cbd691943
ripemd-160 4b8980493de6fd8f50a86861f92419877ea58bfa

21887739 as geometric shapes

Circle

Radius = n
Diameter 43775478
Circumference 137524720.09218
Area 1.5050525897129E+15

Sphere

Radius = n
Volume 4.3922931019879E+22
Surface area 6.0202103588515E+15
Circumference 137524720.09218

Square

Length = n
Perimeter 87550956
Area 479073118532121
Diagonal 30953937.343483

Cube

Length = n
Surface area 2874438711192726
Volume 1.0485827380347E+22
Space diagonal 37910676.010807

Equilateral Triangle

Length = n
Perimeter 65663217
Area 2.0744474545953E+14
Altitude 18955338.005403

Triangular Pyramid

Length = n
Surface area 2.0744474545953E+14
Volume 1.2357666078325E+21
Height 10317979.114494