20989843 (number)

20989843 is an odd 8-digits composite number following 20989842 and preceding 20989844. In scientific notation, it is written as 2.0989843 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 17991288 positive integers (up to 20989843) that are relatively prime to 20989843.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand eight hundred forty-three

Notation

Scientific notation 2.0989843 × 10^7
Engineering notation 2.0989843 × 10^6

Prime Factorization of 20989843

Prime Factorization 7 × 2998549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20989843
Product of the distinct prime numbers

The prime factorization of 20989843 is 7 × 2998549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989843)

Multiplication

n×y
n×2 41979686
n×3 62969529
n×4 83959372
n×5 104949215

Division

n÷y
n÷2 10494921.5
n÷3 6996614.3333333
n÷3 5247460.75
n÷5 4197968.6

Exponentiation

ny
n2 440573509164649
n3 9.247568787325E+21
n4 1.9410501697765E+29
n5 4.0742338318733E+36

Nth Root

y√n
2√n 4581.4673413656
3√n 275.84793047636
4√n 67.686537371664
5√n 29.13411552751

Divisors of 20989843

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 -20989842
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 20989843 can be divided by 4 positive divisors. The sum of these divisors (counting 20989843) is 1, the average is 0.25.

Base conversion 20989843

Base System Value
2 Binary 1010000000100011110010011
3 Ternary 1110111101122121
4 Quaternary 1100010132103
5 Quinary 20333133333
6 Senary 2025515111
8 Octal 120043623
10 Decimal 20989843
12 Duodecimal 7042a97
16 Hexadecimal 1404793
20 Vigesimal 6b3ec3
36 Base36 chvv7

Cryptographic Hash Functions

md5 f0b984c2bcf1cf756224184b94a1631a
sha1 aaaf676c3b721018e8a1914dd10122162cb67f68
sha256 24b48659c4e13fa07757618e7805fd6f7085242dabb0ad60ffed2b91a487383b
sha512 70234a4ed9367e50e910ced0b2e5992193524bceda2075ecdd96a33533387835a35cce9163d85df3eb01e4069ff3fb9646ce2255c8d29b05ecdd0752459d02a3
ripemd-160 95ddb05649aa3c2f0e5e596f434afe9a2f0c7405

20989843 as geometric shapes

Circle

Radius = n
Diameter 41979686
Circumference 131883073.13761
Area 1.3841024997579E+15

Sphere

Radius = n
Volume 3.8736125554436E+22
Surface area 5.5364099990317E+15
Circumference 131883073.13761

Square

Length = n
Perimeter 83959372
Area 440573509164649
Diagonal 29684120.642682

Cube

Length = n
Surface area 2643441054987894
Volume 9.247568787325E+21
Space diagonal 36355474.518894

Equilateral Triangle

Length = n
Perimeter 62969529
Area 1.9077392558552E+14
Altitude 18177737.259447

Triangular Pyramid

Length = n
Surface area 1.9077392558552E+14
Volume 1.0898364331678E+21
Height 9894706.880894