21997966 (number)

21997966 is an even 8-digits composite number following 21997965 and preceding 21997967. In scientific notation, it is written as 2.1997966 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 10209024 positive integers (up to 21997966) that are relatively prime to 21997966.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1997966 × 10^7
Engineering notation 2.1997966 × 10^6

Prime Factorization of 21997966

Prime Factorization 2 × 1241 × 8863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21997966
Product of the distinct prime numbers

The prime factorization of 21997966 is 2 × 1241 × 8863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21997966)

Multiplication

n×y
n×2 43995932
n×3 65993898
n×4 87991864
n×5 109989830

Division

n÷y
n÷2 10998983
n÷3 7332655.3333333
n÷3 5499491.5
n÷5 4399593.2

Exponentiation

ny
n2 483910508137156
n3 1.0645046905044E+22
n4 2.3416937988556E+29
n5 5.1512500569636E+36

Nth Root

y√n
2√n 4690.198929683
3√n 280.19529742364
4√n 68.4850270474
5√n 29.408745923598

Divisors of 21997966

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 -21997965
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 21997966 can be divided by 8 positive divisors. The sum of these divisors (counting 21997966) is 1, the average is 0.125.

Base conversion 21997966

Base System Value
2 Binary 1010011111010100110001110
3 Ternary 1112101121112111
4 Quaternary 1103322212032
5 Quinary 21112413331
6 Senary 2103254234
8 Octal 123724616
10 Decimal 21997966
12 Duodecimal 744a37a
16 Hexadecimal 14fa98e
20 Vigesimal 6h9ei6
36 Base36 d3hqm

Cryptographic Hash Functions

md5 c3b72d81741b01840d7ab671ed8b7c3b
sha1 e644847426930411f7d2a41e57b977744a976d8c
sha256 6f4359bce98cda15efcabf4ebdf35d0c0e71afae33d107a8771b079232178792
sha512 87c3a1d1e5cd5443e05cb41a08de03d53c843ab472b9e123ccd2b7772f2806282ff5c728b07c8d7a801f138a26249df88e84750d2382a00b152028226dd82425
ripemd-160 039fd1edb1b46664c9f82cad92ef1c129893eed3

21997966 as geometric shapes

Circle

Radius = n
Diameter 43995932
Circumference 138217296.75904
Area 1.5202496973586E+15

Sphere

Radius = n
Volume 4.4589868205339E+22
Surface area 6.0809987894344E+15
Circumference 138217296.75904

Square

Length = n
Perimeter 87991864
Area 483910508137156
Diagonal 31109821.861822

Cube

Length = n
Surface area 2903463048822936
Volume 1.0645046905044E+22
Space diagonal 38101594.775173

Equilateral Triangle

Length = n
Perimeter 65993898
Area 2.0953939660251E+14
Altitude 19050797.387586

Triangular Pyramid

Length = n
Surface area 2.0953939660251E+14
Volume 1.2545308087676E+21
Height 10369940.620607