18789942 (number)

18789942 is an even 8-digits composite number following 18789941 and preceding 18789943. In scientific notation, it is written as 1.8789942 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 5861504 positive integers (up to 18789942) that are relatively prime to 18789942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8789942 × 10^7
Engineering notation 1.8789942 × 10^6

Prime Factorization of 18789942

Prime Factorization 2 × 3 × 23 × 47 × 2897

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18789942
Product of the distinct prime numbers

The prime factorization of 18789942 is 2 × 3 × 23 × 47 × 2897. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 59, 21, 134, 554, 68, 4241, 50429, 67509, 563970, 846763, 4030071, 9356061, 2989289, 83584101, 505233377, 67587380, 3198450953, 969233499

Basic calculations (n = 18789942)

Multiplication

n×y
n×2 37579884
n×3 56369826
n×4 75159768
n×5 93949710

Division

n÷y
n÷2 9394971
n÷3 6263314
n÷3 4697485.5
n÷5 3757988.4

Exponentiation

ny
n2 353061920363364
n3 6.6340130060362E+21
n4 1.2465271961067E+29
n5 2.3422173716267E+36

Nth Root

y√n
2√n 4334.7366702027
3√n 265.85315165143
4√n 65.838717106295
5√n 28.496077805015

Divisors of 18789942

1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 2897, 3243, 5794, 6486, 8691, 17382, 66631, 133262, 136159, 199893, 272318, 399786, 408477, 816954, 3131657, 6263314, 9394971, 18789942

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 -18789941
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 18789942 can be divided by 32 positive divisors. The sum of these divisors (counting 18789942) is 1, the average is 0.03125.

Base conversion 18789942

Base System Value
2 Binary 1000111101011011000110110
3 Ternary 1022100121221210
4 Quaternary 1013223120312
5 Quinary 14302234232
6 Senary 1510422250
8 Octal 107533066
10 Decimal 18789942
12 Duodecimal 6361986
16 Hexadecimal 11eb636
20 Vigesimal 5h8eh2
36 Base36 b6qeu

Cryptographic Hash Functions

md5 157fa76153f047ada8c13b64c91727cf
sha1 72ff2ee41b17e2d06dd3249fa5a3f97187f5a0b1
sha256 c48277119dd0424bbbd5bc1f5716177a918827ed4b0c6afbb22a142cabc0aa2d
sha512 d884a74f26fcef382882e6f8fc63ecde7f3b8d190c923168b0f6bae0d3fb82944f469e5ca675e7b6d9b31b6a731d7adc44ed4a88ca7b5597c037c336e529e6b1
ripemd-160 574874f2447387b2d555d07ed7ca15d02c1109f0

18789942 as geometric shapes

Circle

Radius = n
Diameter 37579884
Circumference 118060687.49716
Area 1.1091767352758E+15

Sphere

Radius = n
Volume 2.778848869811E+22
Surface area 4.4367069411034E+15
Circumference 118060687.49716

Square

Length = n
Perimeter 75159768
Area 353061920363364
Diagonal 26572990.812604

Cube

Length = n
Surface area 2118371522180184
Volume 6.6340130060362E+21
Space diagonal 32545134.215272

Equilateral Triangle

Length = n
Perimeter 56369826
Area 1.528802960718E+14
Altitude 16272567.107636

Triangular Pyramid

Length = n
Surface area 1.528802960718E+14
Volume 7.81825930508E+20
Height 8857663.6042013