20155940 (number)

20155940 is an even 8-digits composite number following 20155939 and preceding 20155941. In scientific notation, it is written as 2.0155940 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 6910560 positive integers (up to 20155940) that are relatively prime to 20155940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155940 × 10^7
Engineering notation 2.0155940 × 10^6

Prime Factorization of 20155940

Prime Factorization 2 × 2 × 35 × 143971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10077970
Product of the distinct prime numbers

The prime factorization of 20155940 is 2 × 2 × 35 × 143971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 81, 96, 428, 428, 9428, 9094, 79134, 96878, 48629, 942981, 8776000, 4857633, 57914942, 54562024, 161152597, 648720876, 4755877092, 6501406705

Basic calculations (n = 20155940)

Multiplication

n×y
n×2 40311880
n×3 60467820
n×4 80623760
n×5 100779700

Division

n÷y
n÷2 10077970
n÷3 6718646.6666667
n÷3 5038985
n÷5 4031188

Exponentiation

ny
n2 406261917283600
n3 8.1885908290532E+21
n4 1.6504874543495E+29
n5 3.3267126100621E+36

Nth Root

y√n
2√n 4489.5367244294
3√n 272.14541316417
4√n 67.004005286471
5√n 28.898853365569

Divisors of 20155940

1, 2, 4, 35, 70, 140, 143971, 287942, 575884, 5038985, 10077970, 20155940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155940 can be divided by 12 positive divisors. The sum of these divisors (counting 20155940) is 1, the average is 0.083333333333333.

Base conversion 20155940

Base System Value
2 Binary 1001100111000111000100100
3 Ternary 1101221000202022
4 Quaternary 1030320320210
5 Quinary 20124442230
6 Senary 2000002312
8 Octal 114707044
10 Decimal 20155940
12 Duodecimal 6900398
16 Hexadecimal 1338e24
20 Vigesimal 65j9h0
36 Base36 c00f8

Cryptographic Hash Functions

md5 f83a7f230e6a2f55988f2f5140792e76
sha1 efc9a63ce3597fba73aad5fdce097572791a04d5
sha256 7384a51a98f7976434fca473cb16bb62f2bad135703bc930980603007f3df2b7
sha512 ba8c2ff2956faf8623543e6424930dde642ec200578e70c30800a3569e0004262de60f7951f89da14a574c054ef63e4cb58968193a514bd0d12f72ebb5bb88c6
ripemd-160 81dd351c2bf4a7dfb677720a28143305022f80dd

20155940 as geometric shapes

Circle

Radius = n
Diameter 40311880
Circumference 126643506.06039
Area 1.2763094547715E+15

Sphere

Radius = n
Volume 3.4300289055742E+22
Surface area 5.1052378190858E+15
Circumference 126643506.06039

Square

Length = n
Perimeter 80623760
Area 406261917283600
Diagonal 28504803.710378

Cube

Length = n
Surface area 2437571503701600
Volume 8.1885908290532E+21
Space diagonal 34911112.15431

Equilateral Triangle

Length = n
Perimeter 60467820
Area 1.7591657047888E+14
Altitude 17455556.077155

Triangular Pyramid

Length = n
Surface area 1.7591657047888E+14
Volume 9.6503468393092E+20
Height 9501601.2367928