45187890 is an even 8-digits composite number following 45187889
and preceding 45187891 . In scientific notation, it is written as 4.5187890 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 10376640 positive integers (up to 45187890) that are relatively prime to 45187890.
45187890 has 32 divisors, whose sum is 96875520
The reverse of 45187890 is 09878154
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty-five million one hundred eighty-seven thousand eight hundred ninety
Scientific notation
4.5187890 × 10^7
Engineering notation
4.5187890 × 10^6
Prime Factorization
2 × 3 × 55 × 19 × 7207
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
45187890
Product of the distinct prime numbers
The prime factorization of 45187890 is 2 × 3 × 55 × 19 × 7207.
Since it has a total of 5 prime factors.
9 , 8 , 74 , 25 , 561 , 822 , 2415 , 5823 , 38603 , 22175 , 566620 , 763231 , 1600297 , 4690056 , 39967803 , 30124469 , 200997904 , 129148827 , 455223248 , 6957790847
n×2
90375780
n×3
135563670
n×4
180751560
n×5
225939450
n÷2
22593945
n÷3
15062630
n÷3
11296972.5
n÷5
9037578
n2
2041945402652100
n3
9.2271204241049E+22
n4
4.169541027412E+30
n5
1.8841276129718E+38
2 √n
6722.1938383239
3 √n
356.1836835623
4 √n
81.988986079375
5 √n
33.962872331496
1 , 2 , 3 , 6 , 19 , 38 , 55 , 57 , 110 , 114 , 165 , 330 , 1045 , 2090 , 3135 , 6270 , 7207 , 14414 , 21621 , 43242 , 136933 , 273866 , 396385 , 410799 , 792770 , 821598 , 1189155 , 2378310 , 7531315 , 15062630 , 22593945 , 45187890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-45187889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 45187890 can be divided by 32 positive divisors.
The sum of these divisors (counting 45187890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10101100011000001100110010
3
Ternary
10011000210010120
4
Quaternary
2230120030302
5
Quinary
43032003030
6
Senary
4252311110
8
Octal
254301462
10
Decimal
45187890
12
Duodecimal
13172496
16
Hexadecimal
2b18332
20
Vigesimal
e289ea
36
Base36
qwj76
md5
7a6a5eb308a1caab122dd04a20b2ddfd
sha1
c84bcdf6e6ef12c71437a52f9b8a761d4f5b2419
sha256
632d944a562a0c730ec514753cd8bcb9f60c374b7ddb519f8971ba8443a26f7a
sha512
dc492f67da34a92217e66f31cb54678ac8accb3e09062a173d99501d7b21bab1debb82652a7f8f641036d41c23236359eb08af1851ebb9543da23d523c54e283
ripemd-160
7753a3db551c17d1781e0e89ee747abcb2b986fb
Diameter
90375780
Circumference
283923886.51045
Area
6.4149606760033E+15
Volume
3.8650471650875E+23
Surface area
2.5659842704013E+16
Circumference
283923886.51045
Perimeter
180751560
Area
2041945402652100
Diagonal
63905326.893024
Surface area
12251672415912600
Volume
9.2271204241049E+22
Space diagonal
78267721.366834
Perimeter
135563670
Area
8.8418829591878E+14
Altitude
39133860.683417
Surface area
8.8418829591878E+14
Volume
1.0874265704516E+22
Height
21301775.631008