20180391 (number)

20180391 is an odd 8-digits composite number following 20180390 and preceding 20180392. In scientific notation, it is written as 2.0180391 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 10406880 positive integers (up to 20180391) that are relatively prime to 20180391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180391 × 10^7
Engineering notation 2.0180391 × 10^6

Prime Factorization of 20180391

Prime Factorization 3 × 7 × 11 × 199 × 439

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20180391
Product of the distinct prime numbers

The prime factorization of 20180391 is 3 × 7 × 11 × 199 × 439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 72, 74, 24, 894, 3654, 5278, 43455, 79515, 108084, 331545, 1356642, 4340391, 20085508, 61179603, 484831616, 776431497, 6239710060, 9897576741

Basic calculations (n = 20180391)

Multiplication

n×y
n×2 40360782
n×3 60541173
n×4 80721564
n×5 100901955

Division

n÷y
n÷2 10090195.5
n÷3 6726797
n÷3 5045097.75
n÷5 4036078.2

Exponentiation

ny
n2 407248180912881
n3 8.2184275248607E+21
n4 1.6585108085685E+29
n5 3.3469396594639E+36

Nth Root

y√n
2√n 4492.2590085613
3√n 272.2554144604
4√n 67.024316546767
5√n 28.905861356682

Divisors of 20180391

1, 3, 7, 11, 21, 33, 77, 199, 231, 439, 597, 1317, 1393, 2189, 3073, 4179, 4829, 6567, 9219, 14487, 15323, 33803, 45969, 87361, 101409, 262083, 611527, 960971, 1834581, 2882913, 6726797, 20180391

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180391 can be divided by 32 positive divisors. The sum of these divisors (counting 20180391) is 1, the average is 0.03125.

Base conversion 20180391

Base System Value
2 Binary 1001100111110110110100111
3 Ternary 1101222021021220
4 Quaternary 1030332312213
5 Quinary 20131233031
6 Senary 2000311423
8 Octal 114766647
10 Decimal 20180391
12 Duodecimal 6912573
16 Hexadecimal 133eda7
20 Vigesimal 662ajb
36 Base36 c0jaf

Cryptographic Hash Functions

md5 2ad44f6649b8b82dd21c0075759da1bb
sha1 3b4161ff73f19114b17595d2abad3c097ee6db4b
sha256 eaef61759d6d25527fb85e506a87121954cd1011659307777db6e3eb40c38568
sha512 e96456ffb363d8ad008468c76e2265c91ef5a039813790a7707e2907098b934c89c09d159d4141775916e865adc4f5be03bb12eb6342d98db6fbb348ff445379
ripemd-160 e9f61e42f1746dc789f0feca8c9e7777a2bf945b

20180391 as geometric shapes

Circle

Radius = n
Diameter 40360782
Circumference 126797136.22434
Area 1.2794078933437E+15

Sphere

Radius = n
Volume 3.4425268714883E+22
Surface area 5.1176315733749E+15
Circumference 126797136.22434

Square

Length = n
Perimeter 80721564
Area 407248180912881
Diagonal 28539382.646192

Cube

Length = n
Surface area 2443489085477286
Volume 8.2184275248607E+21
Space diagonal 34953462.528606

Equilateral Triangle

Length = n
Perimeter 60541173
Area 1.7634363515778E+14
Altitude 17476731.264303

Triangular Pyramid

Length = n
Surface area 1.7634363515778E+14
Volume 9.6855097225319E+20
Height 9513127.5487306