20145942 (number)

20145942 is an even 8-digits composite number following 20145941 and preceding 20145943. In scientific notation, it is written as 2.0145942 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6715296 positive integers (up to 20145942) that are relatively prime to 20145942.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred forty-two

Notation

Scientific notation 2.0145942 × 10^7
Engineering notation 2.0145942 × 10^6

Prime Factorization of 20145942

Prime Factorization 2 × 9 × 3 × 373073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145942
Product of the distinct prime numbers

The prime factorization of 20145942 is 2 × 9 × 3 × 373073. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 55, 46, 392, 772, 7012, 6831, 74213, 25924, 85074, 509643, 5886551, 7075705, 61645158, 55700269, 195726432, 281501681, 4052030708, 4161169242

Basic calculations (n = 20145942)

Multiplication

n×y
n×2 40291884
n×3 60437826
n×4 80583768
n×5 100729710

Division

n÷y
n÷2 10072971
n÷3 6715314
n÷3 5036485.5
n÷5 4029188.4

Exponentiation

ny
n2 405858979067364
n3 8.1764114524703E+21
n4 1.647215108896E+29
n5 3.3184700045343E+36

Nth Root

y√n
2√n 4488.4231083979
3√n 272.10040807136
4√n 66.995694700465
5√n 28.895985842838

Divisors of 20145942

1, 2, 3, 6, 9, 18, 27, 54, 373073, 746146, 1119219, 2238438, 3357657, 6715314, 10072971, 20145942

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 -20145941
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 20145942 can be divided by 16 positive divisors. The sum of these divisors (counting 20145942) is 1, the average is 0.0625.

Base conversion 20145942

Base System Value
2 Binary 1001100110110011100010110
3 Ternary 1101220112001000
4 Quaternary 1030312130112
5 Quinary 20124132232
6 Senary 1555444130
8 Octal 114663426
10 Decimal 20145942
12 Duodecimal 68b6646
16 Hexadecimal 1336716
20 Vigesimal 65i4h2
36 Base36 bzspi

Cryptographic Hash Functions

md5 c5db1ce3273e511ee4ec3f5c8d6c6abc
sha1 8e2217c6e9c8e3580ecaa533464e6ac60fd9bd4f
sha256 69de60f7f27c912cd3549a47789b2d8a4573d2914e47cf7735ea326565974c2f
sha512 a8cd560100bb98c04190ef03c31a9a05bd503966fa85ef334b38134168f0211b18a8dc533e6ddb9e7823ce420d119436040cb2f7697b65bbb559d49c9fd34735
ripemd-160 b127d3d24e938d85dfa832f0cebeab49279db17d

20145942 as geometric shapes

Circle

Radius = n
Diameter 40291884
Circumference 126580686.77369
Area 1.2750435870315E+15

Sphere

Radius = n
Volume 3.4249272202411E+22
Surface area 5.1001743481259E+15
Circumference 126580686.77369

Square

Length = n
Perimeter 80583768
Area 405858979067364
Diagonal 28490664.403182

Cube

Length = n
Surface area 2435153874404184
Volume 8.1764114524703E+21
Space diagonal 34893795.110336

Equilateral Triangle

Length = n
Perimeter 60437826
Area 1.7574209311318E+14
Altitude 17446897.555168

Triangular Pyramid

Length = n
Surface area 1.7574209311318E+14
Volume 9.6359933063552E+20
Height 9496888.1343939