18943925 is an odd 8-digits composite number following 18943924
and preceding 18943926 . In scientific notation, it is written as 1.8943925 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 10886400 positive integers (up to 18943925) that are relatively prime to 18943925.
18943925 has 16 divisors, whose sum is 21393792
The reverse of 18943925 is 52934981
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million nine hundred forty-three thousand nine hundred twenty-five
Scientific notation
1.8943925 × 10^7
Engineering notation
1.8943925 × 10^6
Prime Factorization
35 × 55 × 13 × 757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18943925
Product of the distinct prime numbers
The prime factorization of 18943925 is 35 × 55 × 13 × 757.
Since it has a total of 4 prime factors.
5 , 7 , 16 , 5 , 943 , 883 , 1666 , 5679 , 3831 , 78011 , 35841 , 148722 , 9060642 , 1474175 , 49465056 , 42562231 , 227760858 , 770515365 , 4855439217 , 8283282381
n×2
37887850
n×3
56831775
n×4
75775700
n×5
94719625
n÷2
9471962.5
n÷3
6314641.6666667
n÷3
4735981.25
n÷5
3788785
n2
358872294405625
n3
6.7984498297981E+21
n4
1.2878932369196E+29
n5
2.4397752888212E+36
2 √n
4352.4619469905
3 √n
266.57739633414
4 √n
65.973191123292
5 √n
28.542630352634
1 , 13 , 35 , 55 , 455 , 715 , 757 , 1925 , 9841 , 25025 , 26495 , 41635 , 344435 , 541255 , 1457225 , 18943925
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
-18943924
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 18943925 can be divided by 16 positive divisors.
The sum of these divisors (counting 18943925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000010000111110110101
3
Ternary
1022122110011212
4
Quaternary
1020100332311
5
Quinary
14322201200
6
Senary
1514011205
8
Octal
110207665
10
Decimal
18943925
12
Duodecimal
6416b05
16
Hexadecimal
1210fb5
20
Vigesimal
5i7jg5
36
Base36
ba185
md5
03c97eac43b187246a85ab936ad8ea8e
sha1
b1c831769c01e6e2a9a5a4869b5f5337554fdf37
sha256
6bf69a4fb501e5131952bef373373e3f3ffab13d7743658dcfaf74db23639de0
sha512
a95d0052c21ac6e16c383ba2442c3ac390f056facb61004b140d8e9b4550270a3c93af888990f77f2ab733027d948403be5aa652908a968e4582fbd22639e63d
ripemd-160
3b441adb1b0999d90c711a5cca92c909635373ea
Diameter
37887850
Circumference
119028191.22031
Area
1.1274305636816E+15
Volume
2.847728005479E+22
Surface area
4.5097222547265E+15
Circumference
119028191.22031
Perimeter
75775700
Area
358872294405625
Diagonal
26790755.659579
Surface area
2153233766433750
Volume
6.7984498297981E+21
Space diagonal
32811840.594774
Perimeter
56831775
Area
1.5539626183484E+14
Altitude
16405920.297387
Surface area
1.5539626183484E+14
Volume
8.0120499603446E+20
Height
8930251.8865262