20218749 (number)

20218749 is an odd 8-digits composite number following 20218748 and preceding 20218750. In scientific notation, it is written as 2.0218749 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13389600 positive integers (up to 20218749) that are relatively prime to 20218749.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighteen thousand seven hundred forty-nine

Notation

Scientific notation 2.0218749 × 10^7
Engineering notation 2.0218749 × 10^6

Prime Factorization of 20218749

Prime Factorization 3 × 151 × 44633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20218749
Product of the distinct prime numbers

The prime factorization of 20218749 is 3 × 151 × 44633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20218749)

Multiplication

n×y
n×2 40437498
n×3 60656247
n×4 80874996
n×5 101093745

Division

n÷y
n÷2 10109374.5
n÷3 6739583
n÷3 5054687.25
n÷5 4043749.8

Exponentiation

ny
n2 408797811125001
n3 8.2653803348858E+21
n4 1.6711565038059E+29
n5 3.3788693890169E+36

Nth Root

y√n
2√n 4496.5263259543
3√n 272.42780232485
4√n 67.056143088865
5√n 28.916841609629

Divisors of 20218749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20218748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20218749 can be divided by 8 positive divisors. The sum of these divisors (counting 20218749) is 1, the average is 0.125.

Base conversion 20218749

Base System Value
2 Binary 1001101001000001101111101
3 Ternary 1102001012220120
4 Quaternary 1031020031331
5 Quinary 20133444444
6 Senary 2001205153
8 Octal 115101575
10 Decimal 20218749
12 Duodecimal 69307b9
16 Hexadecimal 134837d
20 Vigesimal 6676h9
36 Base36 c1cvx

Cryptographic Hash Functions

md5 dfd4b37765dd59c2969ce0a058ce7777
sha1 d92f840a9e46c15cc96d3a923321e08d35a79bc8
sha256 4068c0369d818a961977b332be614a981a8457fb4bc5188cc337a98b0c921905
sha512 7c1b5f6c5d0b3d6a0ce28bc60d697548bee03ad11f43cf8589a3c5ca1d8dc6e3e25c534d7c031f3b215c82d03f42bd582dbc7e481917dba4559797ee954a510d
ripemd-160 ac299f7beb57ef8eeeb5717dfedf17483fecbc85

20218749 as geometric shapes

Circle

Radius = n
Diameter 40437498
Circumference 127038146.64635
Area 1.2842762002339E+15

Sphere

Radius = n
Volume 3.4621944185604E+22
Surface area 5.1371048009356E+15
Circumference 127038146.64635

Square

Length = n
Perimeter 80874996
Area 408797811125001
Diagonal 28593629.050017

Cube

Length = n
Surface area 2452786866750006
Volume 8.2653803348858E+21
Space diagonal 35019900.533482

Equilateral Triangle

Length = n
Perimeter 60656247
Area 1.7701464472286E+14
Altitude 17509950.266741

Triangular Pyramid

Length = n
Surface area 1.7701464472286E+14
Volume 9.7408441398061E+20
Height 9531209.6833392