20121618 (number)

20121618 is an even 8-digits composite number following 20121617 and preceding 20121619. In scientific notation, it is written as 2.0121618 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 6039360 positive integers (up to 20121618) that are relatively prime to 20121618.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred eighteen

Notation

Scientific notation 2.0121618 × 10^7
Engineering notation 2.0121618 × 10^6

Prime Factorization of 20121618

Prime Factorization 2 × 11 × 3 × 109 × 2797

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121618
Product of the distinct prime numbers

The prime factorization of 20121618 is 2 × 11 × 3 × 109 × 2797. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 76, 58, 501, 998, 4352, 7484, 28438, 92111, 559576, 750192, 4839969, 3834038, 47615873, 54098468, 650223321, 762450353, 2253500049, 5978810875

Basic calculations (n = 20121618)

Multiplication

n×y
n×2 40243236
n×3 60364854
n×4 80486472
n×5 100608090

Division

n÷y
n÷2 10060809
n÷3 6707206
n÷3 5030404.5
n÷5 4024323.6

Exponentiation

ny
n2 404879510937924
n3 8.1468308551197E+21
n4 1.6392741837733E+29
n5 3.2984848923149E+36

Nth Root

y√n
2√n 4485.712652411
3√n 271.99085357076
4√n 66.975463062311
5√n 28.88900472814

Divisors of 20121618

1, 2, 3, 6, 11, 22, 33, 66, 109, 218, 327, 654, 1199, 2398, 2797, 3597, 5594, 7194, 8391, 16782, 30767, 61534, 92301, 184602, 304873, 609746, 914619, 1829238, 3353603, 6707206, 10060809, 20121618

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121618 can be divided by 32 positive divisors. The sum of these divisors (counting 20121618) is 1, the average is 0.03125.

Base conversion 20121618

Base System Value
2 Binary 1001100110000100000010010
3 Ternary 1101212021200010
4 Quaternary 1030300200102
5 Quinary 20122342433
6 Senary 1555135350
8 Octal 114604022
10 Decimal 20121618
12 Duodecimal 68a4556
16 Hexadecimal 1330812
20 Vigesimal 65f40i
36 Base36 bz9xu

Cryptographic Hash Functions

md5 83405827460d39b2734fe5ea00e6d0a6
sha1 22204c0491399be156cb124d06c47746f5136d28
sha256 6e0e6edd5e820842b6fcd9755e0a5db676a734e697c7308221ce7e885a26a22c
sha512 27519ccb827f40e762244ee0d773fe13b76b77005ec8e8166e1218790946e8fa4c82620672049461acaa80f58390da72dd7bd4a8171b9e4f8a46c496181e13f5
ripemd-160 4a1c5a334935deba38f748213469bcf397bd1f1d

20121618 as geometric shapes

Circle

Radius = n
Diameter 40243236
Circumference 126427854.57428
Area 1.2719664971516E+15

Sphere

Radius = n
Volume 3.4125365285977E+22
Surface area 5.0878659886064E+15
Circumference 126427854.57428

Square

Length = n
Perimeter 80486472
Area 404879510937924
Diagonal 28456265.072491

Cube

Length = n
Surface area 2429277065627544
Volume 8.1468308551197E+21
Space diagonal 34851664.706492

Equilateral Triangle

Length = n
Perimeter 60364854
Area 1.7531797097203E+14
Altitude 17425832.353246

Triangular Pyramid

Length = n
Surface area 1.7531797097203E+14
Volume 9.6011322380583E+20
Height 9485421.6908302