20131261 (number)

20131261 is an odd 8-digits composite number following 20131260 and preceding 20131262. In scientific notation, it is written as 2.0131261 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20120832 positive integers (up to 20131261) that are relatively prime to 20131261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131261 × 10^7
Engineering notation 2.0131261 × 10^6

Prime Factorization of 20131261

Prime Factorization 7873 × 2557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131261
Product of the distinct prime numbers

The prime factorization of 20131261 is 7873 × 2557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131261)

Multiplication

n×y
n×2 40262522
n×3 60393783
n×4 80525044
n×5 100656305

Division

n÷y
n÷2 10065630.5
n÷3 6710420.3333333
n÷3 5032815.25
n÷5 4026252.2

Exponentiation

ny
n2 405267669450121
n3 8.1585492285621E+21
n4 1.6424188390153E+29
n5 3.3063962319534E+36

Nth Root

y√n
2√n 4486.7873807436
3√n 272.03429588458
4√n 66.983485880802
5√n 28.891773126649

Divisors of 20131261

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 -20131260
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 20131261 can be divided by 4 positive divisors. The sum of these divisors (counting 20131261) is 1, the average is 0.25.

Base conversion 20131261

Base System Value
2 Binary 1001100110010110110111101
3 Ternary 1101212202220021
4 Quaternary 1030302312331
5 Quinary 20123200021
6 Senary 1555252141
8 Octal 114626675
10 Decimal 20131261
12 Duodecimal 68aa051
16 Hexadecimal 1332dbd
20 Vigesimal 65g831
36 Base36 bzhdp

Cryptographic Hash Functions

md5 22ef4b1e9633741e06dc3ed02426ae77
sha1 f6c2d0fec117cf8ab0655c5a103d86f2624bc622
sha256 9a6bd7991e468edba002f7bb2fe5b4ce5feda3443c2ac485ff67f0022976e05b
sha512 615dd9c747f2fc755c8313d9ce7dd4815d2f4ef024af17e43e6a8618889c859b8692c73e2eb7c4a53819e8823696ef0c77c0afd15a8c3a2b4107bc79afde1dac
ripemd-160 13ea69636af5224b375abf293da9166b57c18553

20131261 as geometric shapes

Circle

Radius = n
Diameter 40262522
Circumference 126488443.3302
Area 1.273185933082E+15

Sphere

Radius = n
Volume 3.4174451093869E+22
Surface area 5.0927437323278E+15
Circumference 126488443.3302

Square

Length = n
Perimeter 80525044
Area 405267669450121
Diagonal 28469902.333873

Cube

Length = n
Surface area 2431606016700726
Volume 8.1585492285621E+21
Space diagonal 34868366.87243

Equilateral Triangle

Length = n
Perimeter 60393783
Area 1.7548604853816E+14
Altitude 17434183.436215

Triangular Pyramid

Length = n
Surface area 1.7548604853816E+14
Volume 9.6149424736009E+20
Height 9489967.4446242