20121642 (number)

20121642 is an even 8-digits composite number following 20121641 and preceding 20121643. In scientific notation, it is written as 2.0121642 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 6031872 positive integers (up to 20121642) that are relatively prime to 20121642.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred forty-two

Notation

Scientific notation 2.0121642 × 10^7
Engineering notation 2.0121642 × 10^6

Prime Factorization of 20121642

Prime Factorization 2 × 153 × 3 × 23 × 953

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121642
Product of the distinct prime numbers

The prime factorization of 20121642 is 2 × 153 × 3 × 23 × 953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 3, 26, 768, 531, 3254, 6955, 19663, 86845, 359398, 491158, 1320625, 3864835, 9654053, 19785970, 486710214, 640851500, 2029716263, 5837350139

Basic calculations (n = 20121642)

Multiplication

n×y
n×2 40243284
n×3 60364926
n×4 80486568
n×5 100608210

Division

n÷y
n÷2 10060821
n÷3 6707214
n÷3 5030410.5
n÷5 4024328.4

Exponentiation

ny
n2 404880476776164
n3 8.1468600064793E+21
n4 1.6392820047449E+29
n5 3.298504563652E+36

Nth Root

y√n
2√n 4485.7153275704
3√n 271.99096170947
4√n 66.975483033498
5√n 28.889011619592

Divisors of 20121642

1, 2, 3, 6, 23, 46, 69, 138, 153, 306, 459, 918, 953, 1906, 2859, 3519, 5718, 7038, 10557, 21114, 21919, 43838, 65757, 131514, 145809, 291618, 437427, 874854, 3353607, 6707214, 10060821, 20121642

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 -20121641
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 20121642 can be divided by 32 positive divisors. The sum of these divisors (counting 20121642) is 1, the average is 0.03125.

Base conversion 20121642

Base System Value
2 Binary 1001100110000100000101010
3 Ternary 1101212021201000
4 Quaternary 1030300200222
5 Quinary 20122343032
6 Senary 1555135430
8 Octal 114604052
10 Decimal 20121642
12 Duodecimal 68a4576
16 Hexadecimal 133082a
20 Vigesimal 65f422
36 Base36 bz9yi

Cryptographic Hash Functions

md5 73315b2c0df3a299bd0dc91229b08226
sha1 fd10b0bda20b4087b50ab8a3ae329d649de08441
sha256 4b7455fc0a4899a4ec898f98a8b2bed1e2824dbcb4afb456dfe0b0a009b361c6
sha512 c77990faa54f16ef4fd9a482633bfae7ba057ba5954b1b73e4fd023a3d32c4a53235abb444daa98da9b69c536bf670b77c7eade7dc157fe73e79555f0b8c4bc6
ripemd-160 aec665027555c200521b35c3c9ec33beacf498a3

20121642 as geometric shapes

Circle

Radius = n
Diameter 40243284
Circumference 126428005.37073
Area 1.2719695314219E+15

Sphere

Radius = n
Volume 3.4125487394906E+22
Surface area 5.0878781256877E+15
Circumference 126428005.37073

Square

Length = n
Perimeter 80486568
Area 404880476776164
Diagonal 28456299.013616

Cube

Length = n
Surface area 2429282860656984
Volume 8.1468600064793E+21
Space diagonal 34851706.275712

Equilateral Triangle

Length = n
Perimeter 60364926
Area 1.7531838919226E+14
Altitude 17425853.137856

Triangular Pyramid

Length = n
Surface area 1.7531838919226E+14
Volume 9.601166593265E+20
Height 9485433.0045387