18842989 (number)

18842989 is an odd 8-digits composite number following 18842988 and preceding 18842990. In scientific notation, it is written as 1.8842989 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 17066640 positive integers (up to 18842989) that are relatively prime to 18842989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8842989 × 10^7
Engineering notation 1.8842989 × 10^6

Prime Factorization of 18842989

Prime Factorization 11 × 283 × 6053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18842989
Product of the distinct prime numbers

The prime factorization of 18842989 is 11 × 283 × 6053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18842989)

Multiplication

n×y
n×2 37685978
n×3 56528967
n×4 75371956
n×5 94214945

Division

n÷y
n÷2 9421494.5
n÷3 6280996.3333333
n÷3 4710747.25
n÷5 3768597.8

Exponentiation

ny
n2 355058234454121
n3 6.6903584061784E+21
n4 1.2606634985368E+29
n5 2.375466843563E+36

Nth Root

y√n
2√n 4340.8511838118
3√n 266.10309852036
4√n 65.885136288937
5√n 28.512149459676

Divisors of 18842989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18842988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18842989 can be divided by 8 positive divisors. The sum of these divisors (counting 18842989) is 1, the average is 0.125.

Base conversion 18842989

Base System Value
2 Binary 1000111111000010101101101
3 Ternary 1022110022201111
4 Quaternary 1013320111231
5 Quinary 14310433424
6 Senary 1511512021
8 Octal 107702555
10 Decimal 18842989
12 Duodecimal 6388611
16 Hexadecimal 11f856d
20 Vigesimal 5hf799
36 Base36 b7vcd

Cryptographic Hash Functions

md5 789bafedca86a165e5c738de0820a1d5
sha1 925a8ddab7b7f6b668bcec2f466b415fb41e6aff
sha256 9806a1c9e76df9e16b54b3bad3ab8fd16e179e9bd18db4f07a855ba207095a80
sha512 d5a81f7a41cb3f12ffa77a61348ab6701999999abd4ead2a4b6fd00ec214bec89fe9806162e9bb0182654e5fcbe28b44e47f306bd5148b8965d06b79241eea83
ripemd-160 a372b539a99039124130269224e55915762c946b

18842989 as geometric shapes

Circle

Radius = n
Diameter 37685978
Circumference 118393991.62815
Area 1.1154483409576E+15

Sphere

Radius = n
Volume 2.802450775831E+22
Surface area 4.4617933638305E+15
Circumference 118393991.62815

Square

Length = n
Perimeter 75371956
Area 355058234454121
Diagonal 26648010.599447

Cube

Length = n
Surface area 2130349406724726
Volume 6.6903584061784E+21
Space diagonal 32637014.314461

Equilateral Triangle

Length = n
Perimeter 56528967
Area 1.5374472543006E+14
Altitude 16318507.157231

Triangular Pyramid

Length = n
Surface area 1.5374472543006E+14
Volume 7.884662995962E+20
Height 8882670.1998157