20151131 (number)

20151131 is an odd 8-digits composite number following 20151130 and preceding 20151132. In scientific notation, it is written as 2.0151131 × 10^7. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 14112000 positive integers (up to 20151131) that are relatively prime to 20151131.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-one thousand one hundred thirty-one

Notation

Scientific notation 2.0151131 × 10^7
Engineering notation 2.0151131 × 10^6

Prime Factorization of 20151131

Prime Factorization 77 × 13 × 41 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20151131
Product of the distinct prime numbers

The prime factorization of 20151131 is 77 × 13 × 41 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 30, 83, 57, 828, 6806, 1845, 94911, 68269, 518813, 884890, 542748, 7590256, 44360815, 38199259, 485049070, 332014503, 2926563583, 3148404244

Basic calculations (n = 20151131)

Multiplication

n×y
n×2 40302262
n×3 60453393
n×4 80604524
n×5 100755655

Division

n÷y
n÷2 10075565.5
n÷3 6717043.6666667
n÷3 5037782.75
n÷5 4030226.2

Exponentiation

ny
n2 406068080579161
n3 8.1827310866692E+21
n4 1.6489128606524E+29
n5 3.3227459062592E+36

Nth Root

y√n
2√n 4489.0011138337
3√n 272.12376774368
4√n 67.000008312191
5√n 28.897474240102

Divisors of 20151131

1, 13, 41, 77, 491, 533, 1001, 3157, 6383, 20131, 37807, 41041, 261703, 491491, 1550087, 20151131

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 -20151130
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 20151131 can be divided by 16 positive divisors. The sum of these divisors (counting 20151131) is 1, the average is 0.0625.

Base conversion 20151131

Base System Value
2 Binary 1001100110111101101011011
3 Ternary 1101220210011012
4 Quaternary 1030313231123
5 Quinary 20124314011
6 Senary 1555524135
8 Octal 114675533
10 Decimal 20151131
12 Duodecimal 68b964b
16 Hexadecimal 1337b5b
20 Vigesimal 65ihgb
36 Base36 bzwpn

Cryptographic Hash Functions

md5 21f9dcb0e6bae4177b9c89e60f17a5e9
sha1 46e1308a377aca93687ce19c8896d817ef41efbd
sha256 ea9887df18a711f5fd155d029c06071454d86b70ac3115dc99b7c601f6afd71d
sha512 73b43e7f183539c8f807c9f1bd09813c543b56c977372619d9e41c83eb95fca40ba1e78b9019e0185da073fb1e8694bab6642cbb425676e25c2c220f7d39c992
ripemd-160 0452db98ad159a628a4c8bd079a798303f2d2dc9

20151131 as geometric shapes

Circle

Radius = n
Diameter 40302262
Circumference 126613290.22225
Area 1.2757004988048E+15

Sphere

Radius = n
Volume 3.4275743824241E+22
Surface area 5.1028019952192E+15
Circumference 126613290.22225

Square

Length = n
Perimeter 80604524
Area 406068080579161
Diagonal 28498002.757357

Cube

Length = n
Surface area 2436408483474966
Volume 8.1827310866692E+21
Space diagonal 34902782.721976

Equilateral Triangle

Length = n
Perimeter 60453393
Area 1.7583263672377E+14
Altitude 17451391.360988

Triangular Pyramid

Length = n
Surface area 1.7583263672377E+14
Volume 9.643441066683E+20
Height 9499334.2524523