18889949 is an odd 8-digits composite number following 18889948
and preceding 18889950 . In scientific notation, it is written as 1.8889949 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 17319600 positive integers (up to 18889949) that are relatively prime to 18889949.
18889949 has 8 divisors, whose sum is 20479872
The reverse of 18889949 is 94998881
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighteen million eight hundred eighty-nine thousand nine hundred forty-nine
Scientific notation
1.8889949 × 10^7
Engineering notation
1.8889949 × 10^6
Prime Factorization
13 × 151 × 9623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18889949
Product of the distinct prime numbers
The prime factorization of 18889949 is 13 × 151 × 9623.
Since it has a total of 3 prime factors.
8 , 5 , 74 , 43 , 41 , 535 , 7823 , 4703 , 47287 , 47890 , 747221 , 423000 , 4976926 , 9504181 , 54818453 , 21949433 , 949245675 , 406181293 , 1193561126 , 1744793494
n×2
37779898
n×3
56669847
n×4
75559796
n×5
94449745
n÷2
9444974.5
n÷3
6296649.6666667
n÷3
4722487.25
n÷5
3777989.8
n2
356830173222601
n3
6.7405037738361E+21
n4
1.2732777252207E+29
n5
2.4052151292255E+36
2 √n
4346.2568953066
3 √n
266.32397350918
4 √n
65.926147280928
5 √n
28.526346759181
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
-18889948
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 18889949 can be divided by 8 positive divisors.
The sum of these divisors (counting 18889949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000000011110011011101
3
Ternary
1022112201010202
4
Quaternary
1020003303131
5
Quinary
14313434244
6
Senary
1512513245
8
Octal
110036335
10
Decimal
18889949
12
Duodecimal
63ab825
16
Hexadecimal
1203cdd
20
Vigesimal
5i14h9
36
Base36
b8vkt
md5
40c9a0cf6e4d40227720883506820f46
sha1
ccaf2c4d95d3a82c27638c5052885f849f557052
sha256
d2a43f8118deb65d2c635ac27da1131f14ff6d0a95a320869e952a4ddd0ab8ef
sha512
c78a210e944f35963a2c2cb73234949f4c2951cbad1c7a318c694bbf431544254fb6a54efe577d337232b76566774e7c3d3642f77f3ecf9341b9a84341f84075
ripemd-160
1af49692a3d52634dd927947dbdfdbaafd4de75f
Diameter
37779898
Circumference
118689050.01017
Area
1.1210150507753E+15
Volume
2.823455618317E+22
Surface area
4.4840602031012E+15
Circumference
118689050.01017
Perimeter
75559796
Area
356830173222601
Diagonal
26714422.068336
Surface area
2140981039335606
Volume
6.7405037738361E+21
Space diagonal
32718351.420385
Perimeter
56669847
Area
1.5451199742379E+14
Altitude
16359175.710192
Surface area
1.5451199742379E+14
Volume
7.9437598784884E+20
Height
8904807.356112