18989912 (number)

18989912 is an even 8-digits composite number following 18989911 and preceding 18989913. In scientific notation, it is written as 1.8989912 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors. There are 9452224 positive integers (up to 18989912) that are relatively prime to 18989912.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand nine hundred twelve

Notation

Scientific notation 1.8989912 × 10^7
Engineering notation 1.8989912 × 10^6

Prime Factorization of 18989912

Prime Factorization 2 × 2 × 2 × 227 × 10457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4747478
Product of the distinct prime numbers

The prime factorization of 18989912 is 2 × 2 × 2 × 227 × 10457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 28, 5, 752, 749, 2965, 6880, 81437, 9658, 858439, 987981, 9292558, 981605, 43248948, 17841856, 136473904, 948866337, 8044044317, 234179174

Basic calculations (n = 18989912)

Multiplication

n×y
n×2 37979824
n×3 56969736
n×4 75959648
n×5 94949560

Division

n÷y
n÷2 9494956
n÷3 6329970.6666667
n÷3 4747478
n÷5 3797982.4

Exponentiation

ny
n2 360616757767744
n3 6.8480804957348E+21
n4 1.3004444598292E+29
n5 2.4695325853044E+36

Nth Root

y√n
2√n 4357.7416169388
3√n 266.79293048377
4√n 66.013192749168
5√n 28.556474550742

Divisors of 18989912

1, 2, 4, 8, 227, 454, 908, 1816, 10457, 20914, 41828, 83656, 2373739, 4747478, 9494956, 18989912

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 -18989911
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 18989912 can be divided by 16 positive divisors. The sum of these divisors (counting 18989912) is 1, the average is 0.0625.

Base conversion 18989912

Base System Value
2 Binary 1001000011100001101011000
3 Ternary 1022201210021002
4 Quaternary 1020130031120
5 Quinary 14330134122
6 Senary 1515004132
8 Octal 110341530
10 Decimal 18989912
12 Duodecimal 6439648
16 Hexadecimal 121c358
20 Vigesimal 5idefc
36 Base36 bb0pk

Cryptographic Hash Functions

md5 12000bcd50511d9ad423e8aef52bd6a8
sha1 e397bcc700a6e03d460035f4338c06a7d056ac9b
sha256 8eb3f88ff6ebbb18c6e78291b283819d7ea5d92a197512c5ca207379f1dd28ef
sha512 d3cefa461f42462a9ac6719aa557f6f4bc080582407b14626f1cfb98d894261fa4fd5706d1e5b3a5aaa638eb4d040a6a94bbf5b65c09936ea5fc891c938b7a02
ripemd-160 057b852a0c4d00b831ff3137c279810817b38b4c

18989912 as geometric shapes

Circle

Radius = n
Diameter 37979824
Circumference 119317136.06303
Area 1.1329109569645E+15

Sphere

Radius = n
Volume 2.8685172502123E+22
Surface area 4.5316438278581E+15
Circumference 119317136.06303

Square

Length = n
Perimeter 75959648
Area 360616757767744
Diagonal 26855791.098672

Cube

Length = n
Surface area 2163700546606464
Volume 6.8480804957348E+21
Space diagonal 32891492.415262

Equilateral Triangle

Length = n
Perimeter 56969736
Area 1.5615163662862E+14
Altitude 16445746.207631

Triangular Pyramid

Length = n
Surface area 1.5615163662862E+14
Volume 8.0705402610757E+20
Height 8951930.3662239