20449985 (number)

20449985 is an odd 8-digits composite number following 20449984 and preceding 20449986. In scientific notation, it is written as 2.0449985 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 15394176 positive integers (up to 20449985) that are relatively prime to 20449985.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.0449985 × 10^7
Engineering notation 2.0449985 × 10^6

Prime Factorization of 20449985

Prime Factorization 5 × 19 × 1289 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20449985
Product of the distinct prime numbers

The prime factorization of 20449985 is 5 × 19 × 1289 × 167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 88, 74, 667, 462, 2627, 963, 45105, 15444, 128376, 772159, 9067020, 9000282, 29219140, 15920350, 89951136, 996834502, 9281934974, 4547256100

Basic calculations (n = 20449985)

Multiplication

n×y
n×2 40899970
n×3 61349955
n×4 81799940
n×5 102249925

Division

n÷y
n÷2 10224992.5
n÷3 6816661.6666667
n÷3 5112496.25
n÷5 4089997

Exponentiation

ny
n2 418201886500225
n3 8.5522223059013E+21
n4 1.7489281787235E+29
n5 3.5765555020972E+36

Nth Root

y√n
2√n 4522.165963341
3√n 273.46242745263
4√n 67.247051707424
5√n 28.982683802638

Divisors of 20449985

1, 5, 19, 95, 167, 835, 1289, 3173, 6445, 15865, 24491, 122455, 215263, 1076315, 4089997, 20449985

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 -20449984
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 20449985 can be divided by 16 positive divisors. The sum of these divisors (counting 20449985) is 1, the average is 0.0625.

Base conversion 20449985

Base System Value
2 Binary 1001110000000101011000001
3 Ternary 1102110222002212
4 Quaternary 1032000223001
5 Quinary 20213344420
6 Senary 2010151505
8 Octal 116005301
10 Decimal 20449985
12 Duodecimal 6a22595
16 Hexadecimal 1380ac1
20 Vigesimal 67g4j5
36 Base36 c6bb5

Cryptographic Hash Functions

md5 6d8d3695e9c4bab52848523532c7845a
sha1 ac45711cbc8e371cdaa39bab0e727ceb19755e95
sha256 7419403fe7bb3a1f0f084db6bab3412d522904fb688fc7011b4b3b13358f94de
sha512 5fd5a71e518c0390b07b82596f0519756ab90e1a14bf7fa82b0c1186c53ca41bbeb0716baee328e6ffa7650e1724063826efa7b45eb45f3bda1c07ff4f25b2b9
ripemd-160 363cb8aadea695b9a6703a0d4a73e993c81598fb

20449985 as geometric shapes

Circle

Radius = n
Diameter 40899970
Circumference 128491045.28404
Area 1.3138199743465E+15

Sphere

Radius = n
Volume 3.5823465024115E+22
Surface area 5.255279897386E+15
Circumference 128491045.28404

Square

Length = n
Perimeter 81799940
Area 418201886500225
Diagonal 28920646.137326

Cube

Length = n
Surface area 2509211319001350
Volume 8.5522223059013E+21
Space diagonal 35420413.034021

Equilateral Triangle

Length = n
Perimeter 61349955
Area 1.8108672880989E+14
Altitude 17710206.517011

Triangular Pyramid

Length = n
Surface area 1.8108672880989E+14
Volume 1.0078890644529E+21
Height 9640215.3791088