21495986 (number)

21495986 is an even 8-digits composite number following 21495985 and preceding 21495987. In scientific notation, it is written as 2.1495986 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 10736820 positive integers (up to 21495986) that are relatively prime to 21495986.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred eighty-six

Notation

Scientific notation 2.1495986 × 10^7
Engineering notation 2.1495986 × 10^6

Prime Factorization of 21495986

Prime Factorization 2 × 1063 × 10111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495986
Product of the distinct prime numbers

The prime factorization of 21495986 is 2 × 1063 × 10111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495986)

Multiplication

n×y
n×2 42991972
n×3 64487958
n×4 85983944
n×5 107479930

Division

n÷y
n÷2 10747993
n÷3 7165328.6666667
n÷3 5373996.5
n÷5 4299197.2

Exponentiation

ny
n2 462077414112196
n3 9.932809624672E+21
n4 2.1351553663261E+29
n5 4.5897269862372E+36

Nth Root

y√n
2√n 4636.3763867917
3√n 278.04758255971
4√n 68.090942031901
5√n 29.273285885198

Divisors of 21495986

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495986 can be divided by 8 positive divisors. The sum of these divisors (counting 21495986) is 1, the average is 0.125.

Base conversion 21495986

Base System Value
2 Binary 1010010000000000010110010
3 Ternary 1111110002221122
4 Quaternary 1102000002302
5 Quinary 21000332421
6 Senary 2044422242
8 Octal 122000262
10 Decimal 21495986
12 Duodecimal 7247982
16 Hexadecimal 14800b2
20 Vigesimal 6e6jj6
36 Base36 csqeq

Cryptographic Hash Functions

md5 84bbd0eafa18a197984a66a6981d63ed
sha1 2676ad6a43bc1024532bae18b6fd9ff7dad70fe1
sha256 737f6bb7d78007b9036ff28d98c0e310ef00b64e95da896cb302da4a6031d1a1
sha512 2543822f8433493b830e281f03b810af831b07aa39bbbbf69518cb5d8b1e83b87110194d9444a53b5b88389871dd5491af3e80663382e59ed0a96a3a9de4bc5e
ripemd-160 ecf0df0f8304574bddc56316ea5f5ec9bea79dd2

21495986 as geometric shapes

Circle

Radius = n
Diameter 42991972
Circumference 135063263.39854
Area 1.4516590095646E+15

Sphere

Radius = n
Volume 4.1606455661834E+22
Surface area 5.8066360382586E+15
Circumference 135063263.39854

Square

Length = n
Perimeter 85983944
Area 462077414112196
Diagonal 30399914.937782

Cube

Length = n
Surface area 2772464484673176
Volume 9.932809624672E+21
Space diagonal 37232139.910789

Equilateral Triangle

Length = n
Perimeter 64487958
Area 2.0008538956809E+14
Altitude 18616069.955395

Triangular Pyramid

Length = n
Surface area 2.0008538956809E+14
Volume 1.1705928403068E+21
Height 10133304.979261