18870140 is an even 8-digits composite number following 18870139
and preceding 18870141 . In scientific notation, it is written as 1.8870140 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 7527168 positive integers (up to 18870140) that are relatively prime to 18870140.
18870140 has 24 divisors, whose sum is 39737040
The reverse of 18870140 is 04107881
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million eight hundred seventy thousand one hundred forty
Scientific notation
1.8870140 × 10^7
Engineering notation
1.8870140 × 10^6
Prime Factorization
2 × 2 × 5 × 433 × 2179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9435070
Product of the distinct prime numbers
The prime factorization of 18870140 is 2 × 2 × 5 × 433 × 2179.
Since it has a total of 5 prime factors.
2 , 10 , 39 , 77 , 602 , 629 , 3636 , 3694 , 27143 , 82325 , 999975 , 173678 , 9160408 , 770912 , 44397754 , 91104256 , 452431162 , 203186440 , 2860587511 , 6055457123
n×2
37740280
n×3
56610420
n×4
75480560
n×5
94350700
n÷2
9435070
n÷3
6290046.6666667
n÷3
4717535
n÷5
3774028
n2
356082183619600
n3
6.7193206564076E+21
n4
1.267945214913E+29
n5
2.3926303717739E+36
2 √n
4343.9774400887
3 √n
266.23084714585
4 √n
65.908857068597
5 √n
28.520361400717
1 , 2 , 4 , 5 , 10 , 20 , 433 , 866 , 1732 , 2165 , 2179 , 4330 , 4358 , 8660 , 8716 , 10895 , 21790 , 43580 , 943507 , 1887014 , 3774028 , 4717535 , 9435070 , 18870140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18870139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18870140 can be divided by 24 positive divisors.
The sum of these divisors (counting 18870140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000111111110111101111100
3
Ternary
1022111200222002
4
Quaternary
1013332331330
5
Quinary
14312321030
6
Senary
1512241432
8
Octal
107767574
10
Decimal
18870140
12
Duodecimal
63a0278
16
Hexadecimal
11fef7c
20
Vigesimal
5hif70
36
Base36
b8gak
md5
e75a110575f91c5275b4ff8321e26ca3
sha1
dbb08a32201f3d393da525ce8b8f35c11dacd4d1
sha256
dbc7af1b32ada186337787628d28d9fb19d2c0f3f183cc5fc5921eae2beebeb0
sha512
ca72a28954989902d8dd95af13ac675b2edd1fc34a64d0e536805848e46255399d17a1890423869ca9996282b35a80858b5bdb70f0caaa9df076911c928bdf12
ripemd-160
b54e3f03dc0a5f37a853bbb9cbbc4009358de112
Diameter
37740280
Circumference
118564586.39242
Area
1.1186651721335E+15
Volume
2.8145824548379E+22
Surface area
4.4746606885342E+15
Circumference
118564586.39242
Perimeter
75480560
Area
356082183619600
Diagonal
26686407.911879
Surface area
2136493101717600
Volume
6.7193206564076E+21
Space diagonal
32684041.225938
Perimeter
56610420
Area
1.541881084248E+14
Altitude
16342020.612969
Surface area
1.541881084248E+14
Volume
7.9187953351877E+20
Height
8895469.3039597