18442988 (number)

18442988 is an even 8-digits composite number following 18442987 and preceding 18442989. In scientific notation, it is written as 1.8442988 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 9025200 positive integers (up to 18442988) that are relatively prime to 18442988.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred eighty-eight

Notation

Scientific notation 1.8442988 × 10^7
Engineering notation 1.8442988 × 10^6

Prime Factorization of 18442988

Prime Factorization 2 × 2 × 47 × 98101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9221494
Product of the distinct prime numbers

The prime factorization of 18442988 is 2 × 2 × 47 × 98101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 86, 14, 21, 194, 6610, 6031, 24085, 88902, 201037, 253540, 5511114, 5573835, 20652503, 10903685, 675077039, 709921724, 8066378363, 467985034

Basic calculations (n = 18442988)

Multiplication

n×y
n×2 36885976
n×3 55328964
n×4 73771952
n×5 92214940

Division

n÷y
n÷2 9221494
n÷3 6147662.6666667
n÷3 4610747
n÷5 3688597.6

Exponentiation

ny
n2 340143806368144
n3 6.273268139122E+21
n4 1.1569780901061E+29
n5 2.133813303209E+36

Nth Root

y√n
2√n 4294.5300092094
3√n 264.20666019137
4√n 65.532663681628
5√n 28.390056493811

Divisors of 18442988

1, 2, 4, 47, 94, 188, 98101, 196202, 392404, 4610747, 9221494, 18442988

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 -18442987
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 18442988 can be divided by 12 positive divisors. The sum of these divisors (counting 18442988) is 1, the average is 0.083333333333333.

Base conversion 18442988

Base System Value
2 Binary 1000110010110101011101100
3 Ternary 1021201000000122
4 Quaternary 1012112223230
5 Quinary 14210133423
6 Senary 1455144112
8 Octal 106265354
10 Decimal 18442988
12 Duodecimal 6215038
16 Hexadecimal 1196aec
20 Vigesimal 5f5798
36 Base36 azap8

Cryptographic Hash Functions

md5 27f08527c487ee6947ab66d6b91b14cb
sha1 493c18f45d08f22c97b444b1581448384563cc27
sha256 c5cdb09bb7b7992f009bdedf8004cf3b5b86445ec3bf42c85d9b4c385c912f1a
sha512 1172b54257f3d08bd71af075538c20ff5f88d2ad6b03d15d453607083b57144fcebaf249ebff9b46dca07a41825114eb05aeca3346d8f0300af3830b9c271e5c
ripemd-160 346249a8f07be9116619cb8bc7df92727d6fe953

18442988 as geometric shapes

Circle

Radius = n
Diameter 36885976
Circumference 115880711.22209
Area 1.0685932832502E+15

Sphere

Radius = n
Volume 2.6277404133153E+22
Surface area 4.2743731330009E+15
Circumference 115880711.22209

Square

Length = n
Perimeter 73771952
Area 340143806368144
Diagonal 26082323.760284

Cube

Length = n
Surface area 2040862838208864
Volume 6.273268139122E+21
Space diagonal 31944192.259383

Equilateral Triangle

Length = n
Perimeter 55328964
Area 1.4728658862737E+14
Altitude 15972096.129692

Triangular Pyramid

Length = n
Surface area 1.4728658862737E+14
Volume 7.3931174022911E+20
Height 8694107.9200947