21609986 (number)

21609986 is an even 8-digits composite number following 21609985 and preceding 21609987. In scientific notation, it is written as 2.1609986 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10652740 positive integers (up to 21609986) that are relatively prime to 21609986.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred eighty-six

Notation

Scientific notation 2.1609986 × 10^7
Engineering notation 2.1609986 × 10^6

Prime Factorization of 21609986

Prime Factorization 2 × 71 × 152183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21609986
Product of the distinct prime numbers

The prime factorization of 21609986 is 2 × 71 × 152183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609986)

Multiplication

n×y
n×2 43219972
n×3 64829958
n×4 86439944
n×5 108049930

Division

n÷y
n÷2 10804993
n÷3 7203328.6666667
n÷3 5402496.5
n÷5 4321997.2

Exponentiation

ny
n2 466991494920196
n3 1.0091679667345E+22
n4 2.180810563278E+29
n5 4.712728574109E+36

Nth Root

y√n
2√n 4648.6542138559
3√n 278.53824091031
4√n 68.181039988078
5√n 29.304269324057

Divisors of 21609986

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 -21609985
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 21609986 can be divided by 8 positive divisors. The sum of these divisors (counting 21609986) is 1, the average is 0.125.

Base conversion 21609986

Base System Value
2 Binary 1010010011011111000000010
3 Ternary 1111122220022212
4 Quaternary 1102123320002
5 Quinary 21013004421
6 Senary 2051102122
8 Octal 122337002
10 Decimal 21609986
12 Duodecimal 72a1942
16 Hexadecimal 149be02
20 Vigesimal 6f14j6
36 Base36 cv6de

Cryptographic Hash Functions

md5 495e5b29a1e7053eb0fe82d27fe7a5c6
sha1 57e1ceb506ff4d98c7cbad8dc458307db79683f6
sha256 9c08106ce7e91386ddc637e9fddf039b92a9ba4f220c7706e04c666bd9fc4d4e
sha512 c692fccf3678f9bb5f21614a90c8f8189ac4d895bbe04afa46359970d09261ebf0ef74464bd36cbee50c0b3287915b90ca49b117be4edc38df60e1fb47e09e6e
ripemd-160 9b512fdaded47fd56974a0b2b0aff39199dbfec0

21609986 as geometric shapes

Circle

Radius = n
Diameter 43219972
Circumference 135779546.52356
Area 1.4670970497302E+15

Sphere

Radius = n
Volume 4.2271928940415E+22
Surface area 5.8683881989208E+15
Circumference 135779546.52356

Square

Length = n
Perimeter 86439944
Area 466991494920196
Diagonal 30561135.283893

Cube

Length = n
Surface area 2801948969521176
Volume 1.0091679667345E+22
Space diagonal 37429593.702852

Equilateral Triangle

Length = n
Perimeter 64829958
Area 2.0221324897608E+14
Altitude 18714796.851426

Triangular Pyramid

Length = n
Surface area 2.0221324897608E+14
Volume 1.1893158543903E+21
Height 10187045.094631