18872709 is an odd 8-digits composite number following 18872708
and preceding 18872710 . In scientific notation, it is written as 1.8872709 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 12211712 positive integers (up to 18872709) that are relatively prime to 18872709.
18872709 has 16 divisors, whose sum is 25913088
The reverse of 18872709 is 90727881
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million eight hundred seventy-two thousand seven hundred nine
Scientific notation
1.8872709 × 10^7
Engineering notation
1.8872709 × 10^6
Prime Factorization
3 × 47 × 137 × 977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18872709
Product of the distinct prime numbers
The prime factorization of 18872709 is 3 × 47 × 137 × 977.
Since it has a total of 4 prime factors.
4 , 10 , 70 , 96 , 383 , 100 , 8915 , 9910 , 3461 , 93382 , 379661 , 305380 , 1204943 , 8713541 , 45060894 , 16301865 , 693529903 , 704072685 , 9846186756 , 4049807396
n×2
37745418
n×3
56618127
n×4
75490836
n×5
94363545
n÷2
9436354.5
n÷3
6290903
n÷3
4718177.25
n÷5
3774541.8
n2
356179144998681
n3
6.7220653554289E+21
n4
1.2686358333199E+29
n5
2.3942594909219E+36
2 √n
4344.2731267728
3 √n
266.24292824348
4 √n
65.911100178747
5 √n
28.521137916618
1 , 3 , 47 , 137 , 141 , 411 , 977 , 2931 , 6439 , 19317 , 45919 , 133849 , 137757 , 401547 , 6290903 , 18872709
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
-18872708
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 18872709 can be divided by 16 positive divisors.
The sum of these divisors (counting 18872709) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111111111100110000101
3
Ternary
1022111211111020
4
Quaternary
1013333212011
5
Quinary
14312411314
6
Senary
1512301353
8
Octal
107774605
10
Decimal
18872709
12
Duodecimal
63a1859
16
Hexadecimal
11ff985
20
Vigesimal
5hj1f9
36
Base36
b8i9x
md5
118abaec43cc73b3659cbb793cb8815c
sha1
0eeeb63c3f57a5c4551363f0c845156bb4af7bb6
sha256
32f41e026c4150212c43134e708d19bdbce71647648bdda0a004d1dbab52ec70
sha512
cdc67d9a10c41d86a740b48c152be4299e7d3a2b22db239b827d6f5d3a1431d99a14acb52d2053148a73a3db028ba80cbf1223fc5617b24405cbd87f2f7520e1
ripemd-160
eb469e48b3ae7e9bddf520eef030564b77bf925e
Diameter
37745418
Circumference
118580727.89548
Area
1.1189697852897E+15
Volume
2.8157321516755E+22
Surface area
4.475879141159E+15
Circumference
118580727.89548
Perimeter
75490836
Area
356179144998681
Diagonal
26690041.026521
Surface area
2137074869992086
Volume
6.7220653554289E+21
Space diagonal
32688490.864462
Perimeter
56618127
Area
1.5423009393354E+14
Altitude
16344245.432231
Surface area
1.5423009393354E+14
Volume
7.9220299940049E+20
Height
8896680.3421736