20180181 (number)

20180181 is an odd 8-digits composite number following 20180180 and preceding 20180182. In scientific notation, it is written as 2.0180181 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11531520 positive integers (up to 20180181) that are relatively prime to 20180181.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180181 × 10^7
Engineering notation 2.0180181 × 10^6

Prime Factorization of 20180181

Prime Factorization 3 × 7 × 960961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20180181
Product of the distinct prime numbers

The prime factorization of 20180181 is 3 × 7 × 960961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180181)

Multiplication

n×y
n×2 40360362
n×3 60540543
n×4 80720724
n×5 100900905

Division

n÷y
n÷2 10090090.5
n÷3 6726727
n÷3 5045045.25
n÷5 4036036.2

Exponentiation

ny
n2 407239705192761
n3 8.2181709611766E+21
n4 1.6584417748549E+29
n5 3.3467655194533E+36

Nth Root

y√n
2√n 4492.2356349595
3√n 272.25447008103
4√n 67.02414217996
5√n 28.905801196736

Divisors of 20180181

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 -20180180
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 20180181 can be divided by 8 positive divisors. The sum of these divisors (counting 20180181) is 1, the average is 0.125.

Base conversion 20180181

Base System Value
2 Binary 1001100111110110011010101
3 Ternary 1101222021000010
4 Quaternary 1030332303111
5 Quinary 20131231211
6 Senary 2000310433
8 Octal 114766325
10 Decimal 20180181
12 Duodecimal 6912419
16 Hexadecimal 133ecd5
20 Vigesimal 662a91
36 Base36 c0j4l

Cryptographic Hash Functions

md5 dc709370126a632d1ea270691a05ab3a
sha1 63d0f2285378018001d90a06709bad715fea3ac2
sha256 7dd0d0610f271da3b5850f7d0b36d2fcb7c6ef75a751c50e63803bd7b89e5a90
sha512 e289aad5de112860cfa3ef7ebf609f2a38d402bae824a4cb0038c9357e1e69dd41b9d6dce19892ad0198a1d5fd741b43aa48e441e12cfe9669224123bd0e4476
ripemd-160 96cbe2867b6bc56608a191240418830846556f29

20180181 as geometric shapes

Circle

Radius = n
Diameter 40360362
Circumference 126795816.75542
Area 1.2793812660837E+15

Sphere

Radius = n
Volume 3.4424194023436E+22
Surface area 5.1175250643346E+15
Circumference 126795816.75542

Square

Length = n
Perimeter 80720724
Area 407239705192761
Diagonal 28539085.661344

Cube

Length = n
Surface area 2443438231156566
Volume 8.2181709611766E+21
Space diagonal 34953098.797936

Equilateral Triangle

Length = n
Perimeter 60540543
Area 1.7633996506331E+14
Altitude 17476549.398968

Triangular Pyramid

Length = n
Surface area 1.7633996506331E+14
Volume 9.6852073593305E+20
Height 9513028.5537813