20131661 (number)

20131661 is an odd 8-digits composite number following 20131660 and preceding 20131662. In scientific notation, it is written as 2.0131661 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18271120 positive integers (up to 20131661) that are relatively prime to 20131661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131661 × 10^7
Engineering notation 2.0131661 × 10^6

Prime Factorization of 20131661

Prime Factorization 11 × 2213 × 827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20131661
Product of the distinct prime numbers

The prime factorization of 20131661 is 11 × 2213 × 827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131661)

Multiplication

n×y
n×2 40263322
n×3 60394983
n×4 80526644
n×5 100658305

Division

n÷y
n÷2 10065830.5
n÷3 6710553.6666667
n÷3 5032915.25
n÷5 4026332.2

Exponentiation

ny
n2 405283774618921
n3 8.1590355594285E+21
n4 1.6425493796936E+29
n5 3.3067247287752E+36

Nth Root

y√n
2√n 4486.8319558459
3√n 272.03609760973
4√n 66.983818612004
5√n 28.891887939302

Divisors of 20131661

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 -20131660
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 20131661 can be divided by 8 positive divisors. The sum of these divisors (counting 20131661) is 1, the average is 0.125.

Base conversion 20131661

Base System Value
2 Binary 1001100110010111101001101
3 Ternary 1101212210110002
4 Quaternary 1030302331031
5 Quinary 20123203121
6 Senary 1555254045
8 Octal 114627515
10 Decimal 20131661
12 Duodecimal 68aa325
16 Hexadecimal 1332f4d
20 Vigesimal 65g931
36 Base36 bzhot

Cryptographic Hash Functions

md5 d72bd702f44776f7ac815d99bbad87c2
sha1 219669ef24edffd5723d37bb3e01aa692047c9e2
sha256 35569f89c791cb7fa6ba5706808057d721739302e03085da5e749879d5f6cc99
sha512 a56e3f643e342008098df2d14d4f939e1d9297dabccd31c8517a2454a002ea09eabe62874297227f8774c2f0e67391c13d06672274350969376d6699fb846213
ripemd-160 c8a46609b2de8302dc2bac068c946e8ea23f7a90

20131661 as geometric shapes

Circle

Radius = n
Diameter 40263322
Circumference 126490956.60432
Area 1.2732365289619E+15

Sphere

Radius = n
Volume 3.4176488231838E+22
Surface area 5.0929461158478E+15
Circumference 126490956.60432

Square

Length = n
Perimeter 80526644
Area 405283774618921
Diagonal 28470468.019298

Cube

Length = n
Surface area 2431702647713526
Volume 8.1590355594285E+21
Space diagonal 34869059.692753

Equilateral Triangle

Length = n
Perimeter 60394983
Area 1.7549302228082E+14
Altitude 17434529.846376

Triangular Pyramid

Length = n
Surface area 1.7549302228082E+14
Volume 9.6155156200235E+20
Height 9490156.0064325