21697986 (number)

21697986 is an even 8-digits composite number following 21697985 and preceding 21697987. In scientific notation, it is written as 2.1697986 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 7220400 positive integers (up to 21697986) that are relatively prime to 21697986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697986 × 10^7
Engineering notation 2.1697986 × 10^6

Prime Factorization of 21697986

Prime Factorization 2 × 3 × 661 × 5471

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21697986
Product of the distinct prime numbers

The prime factorization of 21697986 is 2 × 3 × 661 × 5471. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 54, 10, 30, 523, 6501, 6681, 4793, 71612, 5678, 148183, 9911129, 3354643, 83602637, 19168034, 444999515, 776882294, 5624155455, 394631671

Basic calculations (n = 21697986)

Multiplication

n×y
n×2 43395972
n×3 65093958
n×4 86791944
n×5 108489930

Division

n÷y
n÷2 10848993
n÷3 7232662
n÷3 5424496.5
n÷5 4339597.2

Exponentiation

ny
n2 470802596456196
n3 1.021546814667E+22
n4 2.216550848299E+29
n5 4.8094689274679E+36

Nth Root

y√n
2√n 4658.1097024437
3√n 278.91581586741
4√n 68.250345804572
5√n 29.328097062096

Divisors of 21697986

1, 2, 3, 6, 661, 1322, 1983, 3966, 5471, 10942, 16413, 32826, 3616331, 7232662, 10848993, 21697986

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 -21697985
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 21697986 can be divided by 16 positive divisors. The sum of these divisors (counting 21697986) is 1, the average is 0.0625.

Base conversion 21697986

Base System Value
2 Binary 1010010110001010111000010
3 Ternary 1111211101001010
4 Quaternary 1102301113002
5 Quinary 21023313421
6 Senary 2053021350
8 Octal 122612702
10 Decimal 21697986
12 Duodecimal 7324856
16 Hexadecimal 14b15c2
20 Vigesimal 6fc4j6
36 Base36 cx29u

Cryptographic Hash Functions

md5 aa9f19ce97470b5265fe349cb57eb1ac
sha1 f306492c4a617be0a72f99a4c4bd432ca95fa28f
sha256 2b5767d26a3f79821dd522703e494b339bfb6a473bc6e6bfa0f6d6ebe1da311e
sha512 abd4919f9cda9986db88d8c5161229af2ae2416a5527bc55ee973c4ca39c90d10a87e75584e32c9bb95f6d54c6b1ae7dff89d07c019952cc5e66e40a2c18497b
ripemd-160 98b45d56d48d5dde6ba026c4ccd05e2bd2143edb

21697986 as geometric shapes

Circle

Radius = n
Diameter 43395972
Circumference 136332466.83059
Area 1.4790699783178E+15

Sphere

Radius = n
Volume 4.2790452910079E+22
Surface area 5.9162799132711E+15
Circumference 136332466.83059

Square

Length = n
Perimeter 86791944
Area 470802596456196
Diagonal 30685586.077382

Cube

Length = n
Surface area 2824815578737176
Volume 1.021546814667E+22
Space diagonal 37582014.173918

Equilateral Triangle

Length = n
Perimeter 65093958
Area 2.0386350434937E+14
Altitude 18791007.086959

Triangular Pyramid

Length = n
Surface area 2.0386350434937E+14
Volume 1.2039044665843E+21
Height 10228528.692461