20954987 (number)

20954987 is an odd 8-digits composite number following 20954986 and preceding 20954988. In scientific notation, it is written as 2.0954987 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 19644768 positive integers (up to 20954987) that are relatively prime to 20954987.

Interesting facts

Basic properties

Name

Name twenty million nine hundred fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 2.0954987 × 10^7
Engineering notation 2.0954987 × 10^6

Prime Factorization of 20954987

Prime Factorization 107 × 67 × 37 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20954987
Product of the distinct prime numbers

The prime factorization of 20954987 is 107 × 67 × 37 × 79. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 42, 81, 587, 905, 1821, 7863, 49046, 68608, 622050, 855681, 2512881, 9178387, 73705919, 35488796, 16363376, 244053584, 6871370113, 4898496057

Basic calculations (n = 20954987)

Multiplication

n×y
n×2 41909974
n×3 62864961
n×4 83819948
n×5 104774935

Division

n÷y
n÷2 10477493.5
n÷3 6984995.6666667
n÷3 5238746.75
n÷5 4190997.4

Exponentiation

ny
n2 439111480170169
n3 9.2015753585166E+21
n4 1.9281889201724E+29
n5 4.0405173755756E+36

Nth Root

y√n
2√n 4577.66173936
3√n 275.6951536846
4√n 67.658419574802
5√n 29.124432997309

Divisors of 20954987

1, 37, 67, 79, 107, 2479, 2923, 3959, 5293, 7169, 8453, 195841, 265253, 312761, 566351, 20954987

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 -20954986
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 20954987 can be divided by 16 positive divisors. The sum of these divisors (counting 20954987) is 1, the average is 0.0625.

Base conversion 20954987

Base System Value
2 Binary 1001111111011111101101011
3 Ternary 1110102121211122
4 Quaternary 1033323331223
5 Quinary 20331024422
6 Senary 2025045455
8 Octal 117737553
10 Decimal 20954987
12 Duodecimal 702688b
16 Hexadecimal 13fbf6b
20 Vigesimal 6aj797
36 Base36 ch4yz

Cryptographic Hash Functions

md5 ab81e5071d89b5ec137318a06dbe1553
sha1 b2bb3b88caa992a8d73db3feef1bb960f71fdcf7
sha256 e6f7f27da71ecfcb99932ecbb9ada385a81ca71e81b671de8baea78ab18071d0
sha512 a85fa5e8658f1f238ac18587d459b8bb7ecd96687311070d72a0278c6640c334fc8de3e749a5e53ea7601a76c223676a2f0074a90844d548f1aa32db803b8a3b
ripemd-160 504c69a436d4986e133d90b0dd14c4bcd3eba5ec

20954987 as geometric shapes

Circle

Radius = n
Diameter 41909974
Circumference 131664066.43054
Area 1.3795094002095E+15

Sphere

Radius = n
Volume 3.8543468730358E+22
Surface area 5.5180376008382E+15
Circumference 131664066.43054

Square

Length = n
Perimeter 83819948
Area 439111480170169
Diagonal 29634826.814752

Cube

Length = n
Surface area 2634668881021014
Volume 9.2015753585166E+21
Space diagonal 36295102.155945

Equilateral Triangle

Length = n
Perimeter 62864961
Area 1.9014084846038E+14
Altitude 18147551.077973

Triangular Pyramid

Length = n
Surface area 1.9014084846038E+14
Volume 1.084416055601E+21
Height 9878275.6049173