20131021 (number)

20131021 is an odd 8-digits composite number following 20131020 and preceding 20131022. In scientific notation, it is written as 2.0131021 × 10^7. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 19830492 positive integers (up to 20131021) that are relatively prime to 20131021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131021 × 10^7
Engineering notation 2.0131021 × 10^6

Prime Factorization of 20131021

Prime Factorization 67 × 300463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131021
Product of the distinct prime numbers

The prime factorization of 20131021 is 67 × 300463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131021)

Multiplication

n×y
n×2 40262042
n×3 60393063
n×4 80524084
n×5 100655105

Division

n÷y
n÷2 10065510.5
n÷3 6710340.3333333
n÷3 5032755.25
n÷5 4026204.2

Exponentiation

ny
n2 405258006502441
n3 8.1582574393188E+21
n4 1.6423405183433E+29
n5 3.306199146392E+36

Nth Root

y√n
2√n 4486.7606354696
3√n 272.03321483803
4√n 66.9832862397
5√n 28.891704238182

Divisors of 20131021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131021 can be divided by 4 positive divisors. The sum of these divisors (counting 20131021) is 1, the average is 0.25.

Base conversion 20131021

Base System Value
2 Binary 1001100110010110011001101
3 Ternary 1101212202120101
4 Quaternary 1030302303031
5 Quinary 20123143041
6 Senary 1555251101
8 Octal 114626315
10 Decimal 20131021
12 Duodecimal 68a9a91
16 Hexadecimal 1332ccd
20 Vigesimal 65g7b1
36 Base36 bzh71

Cryptographic Hash Functions

md5 fa076421c962bbe8274ed20110b6c061
sha1 90f41c1ed63c7777ab55f189779d0344ef98f96a
sha256 ab93ebda9d8a72993c99e099dd541f663a8c126a4f3176a51bc468d4eafcbef4
sha512 324dc5909ca31acdcd555fcbaca8e4924ba2fb264aaf0621a89ac13e2891593ab4843dc28e0487eb3bbc60ab0915e69d8003076ae0abd2ed0f6e0f5034c42dcf
ripemd-160 6082ed341c9a1ea317fcc8d3d005c2d4f994815f

20131021 as geometric shapes

Circle

Radius = n
Diameter 40262042
Circumference 126486935.36572
Area 1.2731555760365E+15

Sphere

Radius = n
Volume 3.4173228849944E+22
Surface area 5.0926223041461E+15
Circumference 126486935.36572

Square

Length = n
Perimeter 80524084
Area 405258006502441
Diagonal 28469562.922618

Cube

Length = n
Surface area 2431548039014646
Volume 8.1582574393188E+21
Space diagonal 34867951.180236

Equilateral Triangle

Length = n
Perimeter 60393063
Area 1.7548186435908E+14
Altitude 17433975.590118

Triangular Pyramid

Length = n
Surface area 1.7548186435908E+14
Volume 9.6145985966798E+20
Height 9489854.3075392