18889748 is an even 8-digits composite number following 18889747
and preceding 18889749 . In scientific notation, it is written as 1.8889748 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 9289920 positive integers (up to 18889748) that are relatively prime to 18889748.
18889748 has 12 divisors, whose sum is 33599412
The reverse of 18889748 is 84798881
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million eight hundred eighty-nine thousand seven hundred forty-eight
Scientific notation
1.8889748 × 10^7
Engineering notation
1.8889748 × 10^6
Prime Factorization
2 × 2 × 61 × 77417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9444874
Product of the distinct prime numbers
The prime factorization of 18889748 is 2 × 2 × 61 × 77417.
Since it has a total of 4 prime factors.
5 , 5 , 21 , 89 , 579 , 504 , 1876 , 8251 , 8730 , 33219 , 118736 , 249554 , 4915602 , 1542127 , 39701344 , 19090008 , 724312015 , 953979709 , 8118696099 , 3483047752
n×2
37779496
n×3
56669244
n×4
75558992
n×5
94448740
n÷2
9444874
n÷3
6296582.6666667
n÷3
4722437
n÷5
3777949.6
n2
356822579503504
n3
6.7402886075312E+21
n4
1.2732235324353E+29
n5
2.4050871675373E+36
2 √n
4346.2337718995
3 √n
266.32302889204
4 √n
65.925971907129
5 √n
28.526286051552
1 , 2 , 4 , 61 , 122 , 244 , 77417 , 154834 , 309668 , 4722437 , 9444874 , 18889748
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18889747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18889748 can be divided by 12 positive divisors.
The sum of these divisors (counting 18889748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000000011110000010100
3
Ternary
1022112200212022
4
Quaternary
1020003300110
5
Quinary
14313432443
6
Senary
1512512312
8
Octal
110036024
10
Decimal
18889748
12
Duodecimal
63ab698
16
Hexadecimal
1203c14
20
Vigesimal
5i1478
36
Base36
b8vf8
md5
89c9cadccb6550968ee6ad7fcfca607b
sha1
e680f00e67b7219ee0f43039a4b4be5f8e976dfa
sha256
2807cef102511e22088c9d49957c112f9ef0618097d6e19d6eb57682cf179ddb
sha512
7be92641637cc0b5a2eaeec2925ef1e294af7fc5729fd2d0962143b0dff7178f6b68d10aa39811288ea4c5213b91506ac5449da28bdf425bc4e9d4f91da1b0ca
ripemd-160
7079bb220e9ebcd4b0c4da9151cd0ada36aa6af8
Diameter
37779496
Circumference
118687787.08992
Area
1.1209911944032E+15
Volume
2.823365489666E+22
Surface area
4.4839647776127E+15
Circumference
118687787.08992
Perimeter
75558992
Area
356822579503504
Diagonal
26714137.81141
Surface area
2140935477021024
Volume
6.7402886075312E+21
Space diagonal
32718003.278173
Perimeter
56669244
Area
1.5450870924696E+14
Altitude
16359001.639086
Surface area
1.5450870924696E+14
Volume
7.9435063025662E+20
Height
8904712.6038033