20120642 (number)

20120642 is an even 8-digits composite number following 20120641 and preceding 20120643. In scientific notation, it is written as 2.0120642 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 9986752 positive integers (up to 20120642) that are relatively prime to 20120642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120642 × 10^7
Engineering notation 2.0120642 × 10^6

Prime Factorization of 20120642

Prime Factorization 2 × 137 × 73433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120642
Product of the distinct prime numbers

The prime factorization of 20120642 is 2 × 137 × 73433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120642)

Multiplication

n×y
n×2 40241284
n×3 60361926
n×4 80482568
n×5 100603210

Division

n÷y
n÷2 10060321
n÷3 6706880.6666667
n÷3 5030160.5
n÷5 4024128.4

Exponentiation

ny
n2 404840234492164
n3 8.1456454254129E+21
n4 1.6389561546367E+29
n5 3.2976850041142E+36

Nth Root

y√n
2√n 4485.6038612432
3√n 271.98645585673
4√n 66.974650885564
5√n 28.888724470204

Divisors of 20120642

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120642 can be divided by 8 positive divisors. The sum of these divisors (counting 20120642) is 1, the average is 0.125.

Base conversion 20120642

Base System Value
2 Binary 1001100110000010001000010
3 Ternary 1101212020022222
4 Quaternary 1030300101002
5 Quinary 20122330032
6 Senary 1555131042
8 Octal 114602102
10 Decimal 20120642
12 Duodecimal 68a3a82
16 Hexadecimal 1330442
20 Vigesimal 65f1c2
36 Base36 bz96q

Cryptographic Hash Functions

md5 ad7d4ec6838f20a5a31b1b010348c37c
sha1 e22ade5538695d25423285597a7036a5c4a4261a
sha256 d66bff8ae7b306c68b4f9ec93765d9daaa95a5a12322c09fbb3f5314e0290131
sha512 e0e618564be953dc515a8464c0c265ff8d87e1dec8c4927ca10d87ddedda54c63b07989138eb85eb6c339fdeac13adba4e9752f5bc4b0473379cbc4cf3b09070
ripemd-160 a338d8124e3f83135805005549fc26a9e04ec336

20120642 as geometric shapes

Circle

Radius = n
Diameter 40241284
Circumference 126421722.18542
Area 1.2718431065582E+15

Sphere

Radius = n
Volume 3.4120399769633E+22
Surface area 5.0873724262326E+15
Circumference 126421722.18542

Square

Length = n
Perimeter 80482568
Area 404840234492164
Diagonal 28454884.800054

Cube

Length = n
Surface area 2429041406952984
Volume 8.1456454254129E+21
Space diagonal 34849974.224904

Equilateral Triangle

Length = n
Perimeter 60361926
Area 1.7530096377213E+14
Altitude 17424987.112452

Triangular Pyramid

Length = n
Surface area 1.7530096377213E+14
Volume 9.5997351957511E+20
Height 9484961.6000179