18707942 (number)

18707942 is an even 8-digits composite number following 18707941 and preceding 18707943. In scientific notation, it is written as 1.8707942 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8229000 positive integers (up to 18707942) that are relatively prime to 18707942.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred seven thousand nine hundred forty-two

Notation

Scientific notation 1.8707942 × 10^7
Engineering notation 1.8707942 × 10^6

Prime Factorization of 18707942

Prime Factorization 2 × 11 × 31 × 27431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18707942
Product of the distinct prime numbers

The prime factorization of 18707942 is 2 × 11 × 31 × 27431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 72, 100, 843, 949, 1491, 8638, 35393, 79641, 933650, 69127, 9835843, 4021106, 29331931, 56266126, 435839575, 683295569, 5523639452, 3016158148

Basic calculations (n = 18707942)

Multiplication

n×y
n×2 37415884
n×3 56123826
n×4 74831768
n×5 93539710

Division

n÷y
n÷2 9353971
n÷3 6235980.6666667
n÷3 4676985.5
n÷5 3741588.4

Exponentiation

ny
n2 349987093875364
n3 6.5475382529689E+21
n4 1.2249096587932E+29
n5 2.2915538851944E+36

Nth Root

y√n
2√n 4325.2678529774
3√n 265.46585672728
4√n 65.766768606778
5√n 28.471162687838

Divisors of 18707942

1, 2, 11, 22, 31, 62, 341, 682, 27431, 54862, 301741, 603482, 850361, 1700722, 9353971, 18707942

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 -18707941
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 18707942 can be divided by 16 positive divisors. The sum of these divisors (counting 18707942) is 1, the average is 0.0625.

Base conversion 18707942

Base System Value
2 Binary 1000111010111010111100110
3 Ternary 1022012110110202
4 Quaternary 1013113113212
5 Quinary 14242123232
6 Senary 1504550502
8 Octal 107272746
10 Decimal 18707942
12 Duodecimal 6322432
16 Hexadecimal 11d75e6
20 Vigesimal 5gi9h2
36 Base36 b4z52

Cryptographic Hash Functions

md5 583964625abbde17583e57fca52f9e93
sha1 07eb26e49a2b3ed1b92da269e4713f7d040788de
sha256 0f7f7c5ecf007b1e085a3529be2b66aaba6a5e889e44bae9b60abbf3b77bc7e7
sha512 dba91fd35c47f6d773e567fb766beaa46047fc5679a6813cadc4fec94876606697ab33b64b06b9c3c112f47b815c7f9f52ea0500ffde0bf1fa4fd821f627dc3b
ripemd-160 59fd930e97d8119434355ccdd7beae060f2d1f80

18707942 as geometric shapes

Circle

Radius = n
Diameter 37415884
Circumference 117545466.30197
Area 1.0995168829701E+15

Sphere

Radius = n
Volume 2.74262640995E+22
Surface area 4.3980675318803E+15
Circumference 117545466.30197

Square

Length = n
Perimeter 74831768
Area 349987093875364
Diagonal 26457025.300489

Cube

Length = n
Surface area 2099922563252184
Volume 6.5475382529689E+21
Space diagonal 32403106.049052

Equilateral Triangle

Length = n
Perimeter 56123826
Area 1.5154885714638E+14
Altitude 16201553.024526

Triangular Pyramid

Length = n
Surface area 1.5154885714638E+14
Volume 7.7163478312543E+20
Height 8819008.4334964