20181142 (number)

20181142 is an even 8-digits composite number following 20181141 and preceding 20181143. In scientific notation, it is written as 2.0181142 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors. There are 9114624 positive integers (up to 20181142) that are relatively prime to 20181142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181142 × 10^7
Engineering notation 2.0181142 × 10^6

Prime Factorization of 20181142

Prime Factorization 2 × 47 × 17 × 173 × 73

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20181142
Product of the distinct prime numbers

The prime factorization of 20181142 is 2 × 47 × 17 × 173 × 73. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 64, 58, 95, 113, 6715, 7299, 17305, 97110, 409795, 535699, 3092626, 4210907, 64150754, 62639729, 51565878, 261262706, 4600903871, 7916601965

Basic calculations (n = 20181142)

Multiplication

n×y
n×2 40362284
n×3 60543426
n×4 80724568
n×5 100905710

Division

n÷y
n÷2 10090571
n÷3 6727047.3333333
n÷3 5045285.5
n÷5 4036228.4

Exponentiation

ny
n2 407278492424164
n3 8.219345089158E+21
n4 1.658757703913E+29
n5 3.3475624766262E+36

Nth Root

y√n
2√n 4492.3425960183
3√n 272.25879168734
4√n 67.024940104548
5√n 28.90607649601

Divisors of 20181142

1, 2, 17, 34, 47, 73, 94, 146, 173, 346, 799, 1241, 1598, 2482, 2941, 3431, 5882, 6862, 8131, 12629, 16262, 25258, 58327, 116654, 138227, 214693, 276454, 429386, 593563, 1187126, 10090571, 20181142

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 -20181141
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 20181142 can be divided by 32 positive divisors. The sum of these divisors (counting 20181142) is 1, the average is 0.03125.

Base conversion 20181142

Base System Value
2 Binary 1001100111111000010010110
3 Ternary 1101222022022201
4 Quaternary 1030333002112
5 Quinary 20131244032
6 Senary 2000315114
8 Octal 114770226
10 Decimal 20181142
12 Duodecimal 6912a9a
16 Hexadecimal 133f096
20 Vigesimal 662ch2
36 Base36 c0jva

Cryptographic Hash Functions

md5 b8166e266eb073fe2b17adc5cbbcbe42
sha1 f89e3c5aa85399a061b7625a5d90f5b8d5435335
sha256 a7209971d83f9db91d4183d9184123a8b9c8d4e4c4e5e398beea400a1d3dccd7
sha512 67600482b3e6d73325e27abaaefa47c60fe6c3f3619fddd0c3c12949f709addc4670dd727cefadb65de3d295ad55dc72f2670c3fc806de4ea55aebc918d83bae
ripemd-160 b095bc33f47013bc030f00c798caa4b168327dd9

20181142 as geometric shapes

Circle

Radius = n
Diameter 40362284
Circumference 126801854.8965
Area 1.2795031197649E+15

Sphere

Radius = n
Volume 3.4429112199224E+22
Surface area 5.1180124790595E+15
Circumference 126801854.8965

Square

Length = n
Perimeter 80724568
Area 407278492424164
Diagonal 28540444.720577

Cube

Length = n
Surface area 2443670954544984
Volume 8.219345089158E+21
Space diagonal 34954763.298762

Equilateral Triangle

Length = n
Perimeter 60543426
Area 1.7635676042718E+14
Altitude 17477381.649381

Triangular Pyramid

Length = n
Surface area 1.7635676042718E+14
Volume 9.6865910824266E+20
Height 9513481.5735258