20121249 (number)

20121249 is an odd 8-digits composite number following 20121248 and preceding 20121250. In scientific notation, it is written as 2.0121249 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13414164 positive integers (up to 20121249) that are relatively prime to 20121249.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand two hundred forty-nine

Notation

Scientific notation 2.0121249 × 10^7
Engineering notation 2.0121249 × 10^6

Prime Factorization of 20121249

Prime Factorization 3 × 6707083

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121249
Product of the distinct prime numbers

The prime factorization of 20121249 is 3 × 6707083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121249)

Multiplication

n×y
n×2 40242498
n×3 60363747
n×4 80484996
n×5 100606245

Division

n÷y
n÷2 10060624.5
n÷3 6707083
n÷3 5030312.25
n÷5 4024249.8

Exponentiation

ny
n2 404864661320001
n3 8.1463826617204E+21
n4 1.6391539398576E+29
n5 3.2981824573206E+36

Nth Root

y√n
2√n 4485.6715216342
3√n 271.98919092715
4√n 66.97515600306
5√n 28.888898771244

Divisors of 20121249

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 -20121248
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 20121249 can be divided by 4 positive divisors. The sum of these divisors (counting 20121249) is 1, the average is 0.25.

Base conversion 20121249

Base System Value
2 Binary 1001100110000011010100001
3 Ternary 1101212021011110
4 Quaternary 1030300122201
5 Quinary 20122334444
6 Senary 1555133533
8 Octal 114603241
10 Decimal 20121249
12 Duodecimal 68a42a9
16 Hexadecimal 13306a1
20 Vigesimal 65f329
36 Base36 bz9nl

Cryptographic Hash Functions

md5 8f0bf6b1c710ccdc14440f6fa96a5dec
sha1 944d4c39deac04d7e36712668220a5ed9e48edb4
sha256 989eb1909cd5e3d557dc110fa73ecf4bcf48115e2f55f9fd9fea99e042774b2d
sha512 0c7442554b48b5719dc5466a3a48d8e0df3d98e96ae496c456868e3a8d91f034421691122f9991ccb66bb0fb71dd5275e6e347c992a523437369b537f3bde677
ripemd-160 44ef0c0eb2b05a4633a925e974dc948d6558463c

20121249 as geometric shapes

Circle

Radius = n
Diameter 40242498
Circumference 126425536.0789
Area 1.271919845701E+15

Sphere

Radius = n
Volume 3.4123487897856E+22
Surface area 5.0876793828041E+15
Circumference 126425536.0789

Square

Length = n
Perimeter 80484996
Area 404864661320001
Diagonal 28455743.227686

Cube

Length = n
Surface area 2429187967920006
Volume 8.1463826617204E+21
Space diagonal 34851025.579744

Equilateral Triangle

Length = n
Perimeter 60363747
Area 1.7531154089885E+14
Altitude 17425512.789872

Triangular Pyramid

Length = n
Surface area 1.7531154089885E+14
Volume 9.6006040370717E+20
Height 9485247.742562