20181331 (number)

20181331 is an odd 8-digits composite number following 20181330 and preceding 20181332. In scientific notation, it is written as 2.0181331 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20171664 positive integers (up to 20181331) that are relatively prime to 20181331.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 2.0181331 × 10^7
Engineering notation 2.0181331 × 10^6

Prime Factorization of 20181331

Prime Factorization 3049 × 6619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181331
Product of the distinct prime numbers

The prime factorization of 20181331 is 3049 × 6619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181331)

Multiplication

n×y
n×2 40362662
n×3 60543993
n×4 80725324
n×5 100906655

Division

n÷y
n÷2 10090665.5
n÷3 6727110.3333333
n÷3 5045332.75
n÷5 4036266.2

Exponentiation

ny
n2 407286120931561
n3 8.2195760182259E+21
n4 1.6588198430348E+29
n5 3.3477192321653E+36

Nth Root

y√n
2√n 4492.3636317645
3√n 272.25964160209
4√n 67.025097029131
5√n 28.906130637921

Divisors of 20181331

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 -20181330
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 20181331 can be divided by 4 positive divisors. The sum of these divisors (counting 20181331) is 1, the average is 0.25.

Base conversion 20181331

Base System Value
2 Binary 1001100111111000101010011
3 Ternary 1101222022120201
4 Quaternary 1030333011103
5 Quinary 20131300311
6 Senary 2000320031
8 Octal 114770523
10 Decimal 20181331
12 Duodecimal 6913017
16 Hexadecimal 133f153
20 Vigesimal 662d6b
36 Base36 c0k0j

Cryptographic Hash Functions

md5 14b13088fe0fee4f989685144fbcabe8
sha1 c81c7f3320ac0620757775e1355d98ccdd25f438
sha256 67b961d9f037ea2f3e5bb72a8d0a472d3745f8a82de141cb7d3be67d2ed29cf4
sha512 87ce25a5a5d6a03f7df7c79c829e0cbffa2588003f60e5d38e4948a0628f749d0650b9696373f7a0b7a5118e942dace7c2daeff8dbf7cf3736e464210adc0dfa
ripemd-160 106567fdb56895a6644924a559a374e45a1d3673

20181331 as geometric shapes

Circle

Radius = n
Diameter 40362662
Circumference 126803042.41853
Area 1.2795270854277E+15

Sphere

Radius = n
Volume 3.4430079512642E+22
Surface area 5.1181083417107E+15
Circumference 126803042.41853

Square

Length = n
Perimeter 80725324
Area 407286120931561
Diagonal 28540712.006941

Cube

Length = n
Surface area 2443716725589366
Volume 8.2195760182259E+21
Space diagonal 34955090.656365

Equilateral Triangle

Length = n
Perimeter 60543993
Area 1.7636006366778E+14
Altitude 17477545.328182

Triangular Pyramid

Length = n
Surface area 1.7636006366778E+14
Volume 9.686863234943E+20
Height 9513570.6689802