20994989 (number)

20994989 is an odd 8-digits prime number following 20994988 and preceding 20994990. In scientific notation, it is written as 2.0994989 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 20994988 positive integers (up to 20994989) that are relatively prime to 20994989.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-four thousand nine hundred eighty-nine

Notation

Scientific notation 2.0994989 × 10^7
Engineering notation 2.0994989 × 10^6

Prime Factorization of 20994989

Prime Factorization 20994989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20994989
Product of the distinct prime numbers

The prime factorization of 20994989 is 20994989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20994989)

Multiplication

n×y
n×2 41989978
n×3 62984967
n×4 83979956
n×5 104974945

Division

n÷y
n÷2 10497494.5
n÷3 6998329.6666667
n÷3 5248747.25
n÷5 4198997.8

Exponentiation

ny
n2 440789563110121
n3 9.2543720288118E+21
n4 1.9429543894681E+29
n5 4.0792306034385E+36

Nth Root

y√n
2√n 4582.028917412
3√n 275.87047149712
4√n 67.690685603058
5√n 29.135543927504

Divisors of 20994989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20994990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10497495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4582.029026534
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999047392
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20994989 can be divided by 2 positive divisors. The sum of these divisors (counting 20994989) is 20994990, the average is 10497495.

Base conversion 20994989

Base System Value
2 Binary 1010000000101101110101101
3 Ternary 1110111122201012
4 Quaternary 1100011232231
5 Quinary 20333314424
6 Senary 2025555005
8 Octal 120055655
10 Decimal 20994989
12 Duodecimal 7045a65
16 Hexadecimal 1405bad
20 Vigesimal 6b4799
36 Base36 chzu5

Cryptographic Hash Functions

md5 40a91e0f362afcca9c1966fdb64777da
sha1 6e616455d3a18e4cde999762acc8ce251323ab74
sha256 0aa419b5bc591132b2f21892fd8f0b5546716f76af90427bbe1ebb986cca72f4
sha512 65f210d0f560b10fec90e69e316f81e67a705faef2bb1503a9792d7d30c1d07a323f8e03f5fc228b6e45b4375ff5cfb72dd1f571deb63f9698f114e433a79752
ripemd-160 4e2015c7937620aa1fc7e1de3c42597f119dd91b

20994989 as geometric shapes

Circle

Radius = n
Diameter 41989978
Circumference 131915406.4092
Area 1.3847812532458E+15

Sphere

Radius = n
Volume 3.8764622905736E+22
Surface area 5.5391250129832E+15
Circumference 131915406.4092

Square

Length = n
Perimeter 83979956
Area 440789563110121
Diagonal 29691398.185674

Cube

Length = n
Surface area 2644737378660726
Volume 9.2543720288118E+21
Space diagonal 36364387.65235

Equilateral Triangle

Length = n
Perimeter 62984967
Area 1.908674796882E+14
Altitude 18182193.826175

Triangular Pyramid

Length = n
Surface area 1.908674796882E+14
Volume 1.090638202866E+21
Height 9897132.728558