21695887 (number)

21695887 is an odd 8-digits composite number following 21695886 and preceding 21695888. In scientific notation, it is written as 2.1695887 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 21503776 positive integers (up to 21695887) that are relatively prime to 21695887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1695887 × 10^7
Engineering notation 2.1695887 × 10^6

Prime Factorization of 21695887

Prime Factorization 113 × 191999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21695887
Product of the distinct prime numbers

The prime factorization of 21695887 is 113 × 191999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21695887)

Multiplication

n×y
n×2 43391774
n×3 65087661
n×4 86783548
n×5 108479435

Division

n÷y
n÷2 10847943.5
n÷3 7231962.3333333
n÷3 5423971.75
n÷5 4339177.4

Exponentiation

ny
n2 470711512716769
n3 1.0212503789502E+22
n4 2.2156932820411E+29
n5 4.8071431073823E+36

Nth Root

y√n
2√n 4657.8843910084
3√n 278.90682174269
4√n 68.24869515975
5√n 29.327529617192

Divisors of 21695887

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 -21695886
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 21695887 can be divided by 4 positive divisors. The sum of these divisors (counting 21695887) is 1, the average is 0.25.

Base conversion 21695887

Base System Value
2 Binary 1010010110000110110001111
3 Ternary 1111211021011101
4 Quaternary 1102300312033
5 Quinary 21023232022
6 Senary 2053003531
8 Octal 122606617
10 Decimal 21695887
12 Duodecimal 73235a7
16 Hexadecimal 14b0d8f
20 Vigesimal 6fbje7
36 Base36 cx0nj

Cryptographic Hash Functions

md5 81843953a6df6dd2bd98015fccdf1cf4
sha1 f5b72a04a0c11d25ced2719e67c876510d0c8d81
sha256 89033eaec9038d0e3e53ee47ca5c1520b00ea04e92c20fe88aaf759280c4c5c9
sha512 fe9abfc5cdd56154d25b57815839498dbfc74b333613d4bd1378c2ca3fe6097f5482d8f6e42f631862285b47d069234254e27f2bd620b321e73424c4e944f717
ripemd-160 898ce13f89c62b24095e88c47584aa07dc4be2b9

21695887 as geometric shapes

Circle

Radius = n
Diameter 43391774
Circumference 136319278.42463
Area 1.4787838303111E+15

Sphere

Radius = n
Volume 4.277803583981E+22
Surface area 5.9151353212446E+15
Circumference 136319278.42463

Square

Length = n
Perimeter 86783548
Area 470711512716769
Diagonal 30682617.643114

Cube

Length = n
Surface area 2824269076300614
Volume 1.0212503789502E+22
Space diagonal 37578378.599273

Equilateral Triangle

Length = n
Perimeter 65087661
Area 2.0382406393326E+14
Altitude 18789189.299637

Triangular Pyramid

Length = n
Surface area 2.0382406393326E+14
Volume 1.2035551137417E+21
Height 10227539.214371