20131986 (number)

20131986 is an even 8-digits composite number following 20131985 and preceding 20131987. In scientific notation, it is written as 2.0131986 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5711616 positive integers (up to 20131986) that are relatively prime to 20131986.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand nine hundred eighty-six

Notation

Scientific notation 2.0131986 × 10^7
Engineering notation 2.0131986 × 10^6

Prime Factorization of 20131986

Prime Factorization 2 × 21 × 149 × 3217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131986
Product of the distinct prime numbers

The prime factorization of 20131986 is 2 × 21 × 149 × 3217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 87, 21, 271, 855, 3388, 3523, 60803, 30061, 667071, 126742, 2590632, 6348578, 16161477, 82467916, 680821899, 199382871, 2996168038, 4920812820

Basic calculations (n = 20131986)

Multiplication

n×y
n×2 40263972
n×3 60395958
n×4 80527944
n×5 100659930

Division

n÷y
n÷2 10065993
n÷3 6710662
n÷3 5032996.5
n÷5 4026397.2

Exponentiation

ny
n2 405296860304196
n3 8.159430717488E+21
n4 1.6426554497244E+29
n5 3.3069916516675E+36

Nth Root

y√n
2√n 4486.8681727905
3√n 272.03756149384
4√n 66.984088952455
5√n 28.891981223239

Divisors of 20131986

1, 2, 21, 42, 149, 298, 3129, 3217, 6258, 6434, 67557, 135114, 479333, 958666, 10065993, 20131986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131986 can be divided by 16 positive divisors. The sum of these divisors (counting 20131986) is 1, the average is 0.0625.

Base conversion 20131986

Base System Value
2 Binary 1001100110011000010010010
3 Ternary 1101212210220010
4 Quaternary 1030303002102
5 Quinary 20123210421
6 Senary 1555255350
8 Octal 114630222
10 Decimal 20131986
12 Duodecimal 68aa556
16 Hexadecimal 1333092
20 Vigesimal 65g9j6
36 Base36 bzhxu

Cryptographic Hash Functions

md5 1f20ffd96b6dc4c336820ee90d77272c
sha1 d7a5b1927af40b3d4e8fd1a896a20b5c7aa7d30a
sha256 4ead77c1fc08be300c47fc6547c51d0f5bb344a4a7a55e147838129b194eb41a
sha512 c9e78f41e1dabcbbc9cc2c42eb69d248fb02e32aeda149deba9892fce9adb29daf1b5b3f959a1fca1c9fa33e2c8c31333fae0c5251628bf56ed25180aab397f8
ripemd-160 5c032c5febad78b518fcebec9a2819c7f13e0e80

20131986 as geometric shapes

Circle

Radius = n
Diameter 40263972
Circumference 126492998.63955
Area 1.2732776388547E+15

Sphere

Radius = n
Volume 3.4178143466047E+22
Surface area 5.0931105554187E+15
Circumference 126492998.63955

Square

Length = n
Perimeter 80527944
Area 405296860304196
Diagonal 28470927.638705

Cube

Length = n
Surface area 2431781161825176
Volume 8.159430717488E+21
Space diagonal 34869622.609265

Equilateral Triangle

Length = n
Perimeter 60395958
Area 1.7549868854875E+14
Altitude 17434811.304633

Triangular Pyramid

Length = n
Surface area 1.7549868854875E+14
Volume 9.6159813182627E+20
Height 9490309.2129018