18989931 (number)

18989931 is an odd 8-digits composite number following 18989930 and preceding 18989932. In scientific notation, it is written as 1.8989931 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 12588872 positive integers (up to 18989931) that are relatively prime to 18989931.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand nine hundred thirty-one

Notation

Scientific notation 1.8989931 × 10^7
Engineering notation 1.8989931 × 10^6

Prime Factorization of 18989931

Prime Factorization 3 × 179 × 35363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989931
Product of the distinct prime numbers

The prime factorization of 18989931 is 3 × 179 × 35363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989931)

Multiplication

n×y
n×2 37979862
n×3 56969793
n×4 75959724
n×5 94949655

Division

n÷y
n÷2 9494965.5
n÷3 6329977
n÷3 4747482.75
n÷5 3797986.2

Exponentiation

ny
n2 360617479384761
n3 6.8481010509105E+21
n4 1.3004496643782E+29
n5 2.4695449395515E+36

Nth Root

y√n
2√n 4357.7437969665
3√n 266.79301946196
4√n 66.013209261227
5√n 28.556480265069

Divisors of 18989931

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 -18989930
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 18989931 can be divided by 8 positive divisors. The sum of these divisors (counting 18989931) is 1, the average is 0.125.

Base conversion 18989931

Base System Value
2 Binary 1001000011100001101101011
3 Ternary 1022201210021210
4 Quaternary 1020130031223
5 Quinary 14330134211
6 Senary 1515004203
8 Octal 110341553
10 Decimal 18989931
12 Duodecimal 6439663
16 Hexadecimal 121c36b
20 Vigesimal 5idegb
36 Base36 bb0q3

Cryptographic Hash Functions

md5 5628fc6bdb5b91aa833e2bacc98c038c
sha1 5a19f72ef0aa78e92dd05cbbc99a6e658c14b041
sha256 61e96a2a7fbf85315f7a47cc00bb23872fe1fafe695c3553c32cab2131f58c9d
sha512 e456aa46f6d741e8778109813dbee9d3600df11a430cd2d7b3925e1173046bec3ede42fb3bdbe20a33df5540d32f2efe7255c80a832528b323361f1a96166c23
ripemd-160 7ec4d99d364e1b30809592601da178ec85f84e0d

18989931 as geometric shapes

Circle

Radius = n
Diameter 37979862
Circumference 119317255.44355
Area 1.1329132239912E+15

Sphere

Radius = n
Volume 2.8685258603441E+22
Surface area 4.5316528959649E+15
Circumference 119317255.44355

Square

Length = n
Perimeter 75959724
Area 360617479384761
Diagonal 26855817.968729

Cube

Length = n
Surface area 2163704876308566
Volume 6.8481010509105E+21
Space diagonal 32891525.324227

Equilateral Triangle

Length = n
Perimeter 56969793
Area 1.5615194909796E+14
Altitude 16445762.662114

Triangular Pyramid

Length = n
Surface area 1.5615194909796E+14
Volume 8.0705644855826E+20
Height 8951939.3229098