20121431 (number)

20121431 is an odd 8-digits composite number following 20121430 and preceding 20121432. In scientific notation, it is written as 2.0121431 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 18292200 positive integers (up to 20121431) that are relatively prime to 20121431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121431 × 10^7
Engineering notation 2.0121431 × 10^6

Prime Factorization of 20121431

Prime Factorization 11 × 1829221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121431
Product of the distinct prime numbers

The prime factorization of 20121431 is 11 × 1829221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121431)

Multiplication

n×y
n×2 40242862
n×3 60364293
n×4 80485724
n×5 100607155

Division

n÷y
n÷2 10060715.5
n÷3 6707143.6666667
n÷3 5030357.75
n÷5 4024286.2

Exponentiation

ny
n2 404871985487761
n3 8.146603719825E+21
n4 1.639213246328E+29
n5 3.2983316230275E+36

Nth Root

y√n
2√n 4485.6918084059
3√n 271.99001098697
4√n 66.975307452866
5√n 28.888951032021

Divisors of 20121431

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 -20121430
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 20121431 can be divided by 4 positive divisors. The sum of these divisors (counting 20121431) is 1, the average is 0.25.

Base conversion 20121431

Base System Value
2 Binary 1001100110000011101010111
3 Ternary 1101212021102012
4 Quaternary 1030300131113
5 Quinary 20122341211
6 Senary 1555134435
8 Octal 114603527
10 Decimal 20121431
12 Duodecimal 68a441b
16 Hexadecimal 1330757
20 Vigesimal 65f3bb
36 Base36 bz9sn

Cryptographic Hash Functions

md5 a5607e058e5dbee5f4106822edb9d64c
sha1 e6b7fd815f00f488bb02163583cb81d047f554b6
sha256 fe2bf744965b603a2a8d28c17d6de321fa61d7b7762bb0d2664df58523e6726a
sha512 70ddc58a3facffc0fd3cf8b3ed0f34bcb8b5c6f03c5fdc7e17701039efa634b27e76b0ed0200c6f6d4ba7e2b8e1d7679e11bbfdc0764f83d578afa680d9389b9
ripemd-160 66c6f0bcb9203e4665a48e19c0d1679d06ac5364

20121431 as geometric shapes

Circle

Radius = n
Diameter 40242862
Circumference 126426679.61863
Area 1.2719428552527E+15

Sphere

Radius = n
Volume 3.4124413863879E+22
Surface area 5.0877714210107E+15
Circumference 126426679.61863

Square

Length = n
Perimeter 80485724
Area 404871985487761
Diagonal 28456000.614554

Cube

Length = n
Surface area 2429231912926566
Volume 8.146603719825E+21
Space diagonal 34851340.812991

Equilateral Triangle

Length = n
Perimeter 60364293
Area 1.7531471235652E+14
Altitude 17425670.406496

Triangular Pyramid

Length = n
Surface area 1.7531471235652E+14
Volume 9.6008645565463E+20
Height 9485333.5381848