18403990 (number)

18403990 is an even 8-digits composite number following 18403989 and preceding 18403991. In scientific notation, it is written as 1.8403990 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 6692320 positive integers (up to 18403990) that are relatively prime to 18403990.

Interesting facts

Basic properties

Name

Name eighteen million four hundred three thousand nine hundred ninety

Notation

Scientific notation 1.8403990 × 10^7
Engineering notation 1.8403990 × 10^6

Prime Factorization of 18403990

Prime Factorization 2 × 5 × 11 × 167309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18403990
Product of the distinct prime numbers

The prime factorization of 18403990 is 2 × 5 × 11 × 167309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 43, 50, 106, 159, 4853, 4910, 39180, 25872, 478516, 734081, 3737686, 4051245, 99519223, 1289967, 275017411, 180540020, 8950955794, 1533076648

Basic calculations (n = 18403990)

Multiplication

n×y
n×2 36807980
n×3 55211970
n×4 73615960
n×5 92019950

Division

n÷y
n÷2 9201995
n÷3 6134663.3333333
n÷3 4600997.5
n÷5 3680798

Exponentiation

ny
n2 338706847920100
n3 6.233557442053E+21
n4 1.1472232882797E+29
n5 2.1113485925267E+36

Nth Root

y√n
2√n 4289.987179468
3√n 264.0203056772
4√n 65.49799370567
5√n 28.378040078117

Divisors of 18403990

1, 2, 5, 10, 11, 22, 55, 110, 167309, 334618, 836545, 1673090, 1840399, 3680798, 9201995, 18403990

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 -18403989
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 18403990 can be divided by 16 positive divisors. The sum of these divisors (counting 18403990) is 1, the average is 0.0625.

Base conversion 18403990

Base System Value
2 Binary 1000110001101001010010110
3 Ternary 1021122000112021
4 Quaternary 1012031022112
5 Quinary 14202411430
6 Senary 1454243354
8 Octal 106151226
10 Decimal 18403990
12 Duodecimal 61b655a
16 Hexadecimal 118d296
20 Vigesimal 5f09ja
36 Base36 aygly

Cryptographic Hash Functions

md5 8115a77a289dbf911c8195afdaea3159
sha1 48607f230e8b774b3e1f7639b79e60ef5754ed80
sha256 939678b3e1210f637d9c69d9ec82c4ee80a077af39a9309b800ce347754db0c7
sha512 b64acdd26a953cbb1a9e424dbdd8341e8ff95a34671c4d35f758e1faebc2a0bb5e95446ac8d57a3b48333fe695fe9d451a9b8d255e047acf5d8c71c84ad264ff
ripemd-160 97ae4aec350b41c414fdc39217db278231a49f59

18403990 as geometric shapes

Circle

Radius = n
Diameter 36807980
Circumference 115635679.56148
Area 1.0640789451463E+15

Sphere

Radius = n
Volume 2.6111064354245E+22
Surface area 4.2563157805854E+15
Circumference 115635679.56148

Square

Length = n
Perimeter 73615960
Area 338706847920100
Diagonal 26027172.259779

Cube

Length = n
Surface area 2032241087520600
Volume 6.233557442053E+21
Space diagonal 31876645.74199

Equilateral Triangle

Length = n
Perimeter 55211970
Area 1.4666436736728E+14
Altitude 15938322.870995

Triangular Pyramid

Length = n
Surface area 1.4666436736728E+14
Volume 7.346317896986E+20
Height 8675724.0865929