18749970 is an even 8-digits composite number following 18749969
and preceding 18749971 . In scientific notation, it is written as 1.8749970 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 4999968 positive integers (up to 18749970) that are relatively prime to 18749970.
18749970 has 16 divisors, whose sum is 37500120
The reverse of 18749970 is 07994781
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million seven hundred forty-nine thousand nine hundred seventy
Scientific notation
1.8749970 × 10^7
Engineering notation
1.8749970 × 10^6
Prime Factorization
2 × 5 × 9 × 208333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18749970
Product of the distinct prime numbers
The prime factorization of 18749970 is 2 × 5 × 9 × 208333.
Since it has a total of 4 prime factors.
1 , 1 , 80 , 84 , 709 , 120 , 6765 , 9231 , 89176 , 56832 , 728633 , 795857 , 7882881 , 1437005 , 10230108 , 75664958 , 94308174 , 348048787 , 4919928366 , 820341858
n×2
37499940
n×3
56249910
n×4
74999880
n×5
93749850
n÷2
9374985
n÷3
6249990
n÷3
4687492.5
n÷5
3749994
n2
351561375000900
n3
6.5917652344256E+21
n4
1.2359540039252E+29
n5
2.3174100494978E+36
2 √n
4330.1235548192
3 √n
265.66450060777
4 √n
65.803674326129
5 √n
28.483943486547
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 208333 , 416666 , 1041665 , 1874997 , 2083330 , 3749994 , 9374985 , 18749970
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
-18749969
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 18749970 can be divided by 16 positive divisors.
The sum of these divisors (counting 18749970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111100001101000010010
3
Ternary
1022021121010100
4
Quaternary
1013201220102
5
Quinary
14244444340
6
Senary
1505513230
8
Octal
107415022
10
Decimal
18749970
12
Duodecimal
6342816
16
Hexadecimal
11e1a12
20
Vigesimal
5h3eia
36
Base36
b5vki
md5
481381e0b4b7658844e18ca1baace752
sha1
4e7252ad97a288ccb85d7a78e066b0208991adfc
sha256
f9a97b8480cc55f51980ff77875fb178cd9a21aa20810c0003ee8cc918c1afd2
sha512
08d7f6ef71e2b6b46264648fdc978abe8823ddd71c7100912905bcbcaafc82317c8060ad47ae08be617633876a3242d2ee818fbccad4ce9ede01021ed7ca7abb
ripemd-160
d414f6d6863140d5d394a6472a041e4de6e7cb89
Diameter
37499940
Circumference
117809536.01406
Area
1.1044626329888E+15
Volume
2.7611521646214E+22
Surface area
4.417850531955E+15
Circumference
117809536.01406
Perimeter
74999880
Area
351561375000900
Diagonal
26516461.868089
Surface area
2109368250005400
Volume
6.5917652344256E+21
Space diagonal
32475900.680392
Perimeter
56249910
Area
1.5223054087008E+14
Altitude
16237950.340196
Surface area
1.5223054087008E+14
Volume
7.7684698287535E+20
Height
8838820.6226962