20123642 (number)

20123642 is an even 8-digits composite number following 20123641 and preceding 20123643. In scientific notation, it is written as 2.0123642 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 7778880 positive integers (up to 20123642) that are relatively prime to 20123642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123642 × 10^7
Engineering notation 2.0123642 × 10^6

Prime Factorization of 20123642

Prime Factorization 2 × 7 × 11 × 149 × 877

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20123642
Product of the distinct prime numbers

The prime factorization of 20123642 is 2 × 7 × 11 × 149 × 877. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 100, 23, 191, 791, 9538, 954, 54940, 4951, 534485, 632142, 6418212, 9448389, 15715146, 97256346, 53956306, 540513478, 2975895239, 3531028038

Basic calculations (n = 20123642)

Multiplication

n×y
n×2 40247284
n×3 60370926
n×4 80494568
n×5 100618210

Division

n÷y
n÷2 10061821
n÷3 6707880.6666667
n÷3 5030910.5
n÷5 4024728.4

Exponentiation

ny
n2 404960967344164
n3 8.1492895308076E+21
n4 1.6399338507232E+29
n5 3.3001441715635E+36

Nth Root

y√n
2√n 4485.9382519156
3√n 271.99997296713
4√n 66.97714723632
5√n 28.88958588412

Divisors of 20123642

1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 877, 1043, 1639, 1754, 2086, 3278, 6139, 9647, 11473, 12278, 19294, 22946, 67529, 130673, 135058, 261346, 914711, 1437403, 1829422, 2874806, 10061821, 20123642

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 -20123641
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 20123642 can be divided by 32 positive divisors. The sum of these divisors (counting 20123642) is 1, the average is 0.03125.

Base conversion 20123642

Base System Value
2 Binary 1001100110000111111111010
3 Ternary 1101212101110002
4 Quaternary 1030300333322
5 Quinary 20122424032
6 Senary 1555153002
8 Octal 114607772
10 Decimal 20123642
12 Duodecimal 68a5762
16 Hexadecimal 1330ffa
20 Vigesimal 65f922
36 Base36 bzbi2

Cryptographic Hash Functions

md5 1d7f214bbf387a32df107c18072c666f
sha1 89187654dff8123535cfc62c182f1bab961cabff
sha256 ebb59ca006d8253da6d0f36f9f28fc2ae710e39003fee3ab16279f804a46af9c
sha512 7f025d783cea6bdb589d713f10d1de54d850bf675a1b15c7b94229d48d386f632beae49d8e40e53ebb574e7413f78d3331b9104c708d08c3ec2902048b67cc88
ripemd-160 d75f8f4758201f7fa05e74009772ed8de3d2e987

20123642 as geometric shapes

Circle

Radius = n
Diameter 40247284
Circumference 126440571.74134
Area 1.272222399999E+15

Sphere

Radius = n
Volume 3.4135664162615E+22
Surface area 5.0888895999962E+15
Circumference 126440571.74134

Square

Length = n
Perimeter 80494568
Area 404960967344164
Diagonal 28459127.440741

Cube

Length = n
Surface area 2429765804064984
Volume 8.1492895308076E+21
Space diagonal 34855170.377327

Equilateral Triangle

Length = n
Perimeter 60370926
Area 1.7535324263058E+14
Altitude 17427585.188663

Triangular Pyramid

Length = n
Surface area 1.7535324263058E+14
Volume 9.6040298151444E+20
Height 9486375.8135803