20121543 (number)

20121543 is an odd 8-digits composite number following 20121542 and preceding 20121544. In scientific notation, it is written as 2.0121543 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 12312000 positive integers (up to 20121543) that are relatively prime to 20121543.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand five hundred forty-three

Notation

Scientific notation 2.0121543 × 10^7
Engineering notation 2.0121543 × 10^6

Prime Factorization of 20121543

Prime Factorization 9 × 13 × 229 × 751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121543
Product of the distinct prime numbers

The prime factorization of 20121543 is 9 × 13 × 229 × 751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121543)

Multiplication

n×y
n×2 40243086
n×3 60364629
n×4 80486172
n×5 100607715

Division

n÷y
n÷2 10060771.5
n÷3 6707181
n÷3 5030385.75
n÷5 4024308.6

Exponentiation

ny
n2 404876492700849
n3 8.1467397575693E+21
n4 1.6392497434174E+29
n5 3.2984234199912E+36

Nth Root

y√n
2√n 4485.7042925275
3√n 271.99051563671
4√n 66.975400652236
5√n 28.888983192312

Divisors of 20121543

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 -20121542
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 20121543 can be divided by 16 positive divisors. The sum of these divisors (counting 20121543) is 1, the average is 0.0625.

Base conversion 20121543

Base System Value
2 Binary 1001100110000011111000111
3 Ternary 1101212021120100
4 Quaternary 1030300133013
5 Quinary 20122342133
6 Senary 1555135143
8 Octal 114603707
10 Decimal 20121543
12 Duodecimal 68a44b3
16 Hexadecimal 13307c7
20 Vigesimal 65f3h3
36 Base36 bz9vr

Cryptographic Hash Functions

md5 3bf62c86b849e8a5d4d043af25aabd8f
sha1 54f422668c5248f58bf34a773c0ed5d5512a7c15
sha256 cb43e585de9209d0592737aa49d595fc79c327f75ca18bf48ee66268f1164fbe
sha512 2b9a6938686729c6601542df9590bb031efdec3b35524f088af8c33d022b8ef0f26f60873b92d26f9570ca0927e967e12b746d2d07751f5fb40bdd8ebb90c0a1
ripemd-160 2313a806fb54ff732eeb4ff4f19d0f6999f2f021

20121543 as geometric shapes

Circle

Radius = n
Diameter 40243086
Circumference 126427383.33538
Area 1.2719570150802E+15

Sphere

Radius = n
Volume 3.412498369745E+22
Surface area 5.0878280603208E+15
Circumference 126427383.33538

Square

Length = n
Perimeter 80486172
Area 404876492700849
Diagonal 28456159.006473

Cube

Length = n
Surface area 2429258956205094
Volume 8.1467397575693E+21
Space diagonal 34851534.802682

Equilateral Triangle

Length = n
Perimeter 60364629
Area 1.7531666403704E+14
Altitude 17425767.401341

Triangular Pyramid

Length = n
Surface area 1.7531666403704E+14
Volume 9.6010248785655E+20
Height 9485386.3354911