18987002 is an even 8-digits composite number following 18987001
and preceding 18987003 . In scientific notation, it is written as 1.8987002 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 9487072 positive integers (up to 18987002) that are relatively prime to 18987002.
18987002 has 8 divisors, whose sum is 28499796
The reverse of 18987002 is 20078981
Previous prime number is 2297
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million nine hundred eighty-seven thousand two
Scientific notation
1.8987002 × 10^7
Engineering notation
1.8987002 × 10^6
Prime Factorization
2 × 2297 × 4133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18987002
Product of the distinct prime numbers
The prime factorization of 18987002 is 2 × 2297 × 4133.
Since it has a total of 3 prime factors.
9 , 10 , 62 , 81 , 518 , 999 , 1871 , 8607 , 10765 , 59306 , 135358 , 594268 , 1054107 , 484246 , 41866973 , 10487184 , 210846707 , 551867190 , 7036267882 , 5767424362
n×2
37974004
n×3
56961006
n×4
75948008
n×5
94935010
n÷2
9493501
n÷3
6329000.6666667
n÷3
4746750.5
n÷5
3797400.4
n2
360506244948004
n3
6.8449327938402E+21
n4
1.2996475264651E+29
n5
2.4676410184288E+36
2 √n
4357.4077156034
3 √n
266.77930207083
4 √n
66.010663650681
5 √n
28.555599302505
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18987001
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18987002 can be divided by 8 positive divisors.
The sum of these divisors (counting 18987002) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011011011111111010
3
Ternary
1022201122021022
4
Quaternary
1020123133322
5
Quinary
14330041002
6
Senary
1514542442
8
Octal
110333772
10
Decimal
18987002
12
Duodecimal
6437a22
16
Hexadecimal
121b7fa
20
Vigesimal
5id7a2
36
Base36
baygq
md5
3e7feac99a31119d908f3d2d43b13e57
sha1
ddf79fd0951ec4d931f1983c2ce92fa1e1efa1ea
sha256
25cef60e472a3323a9bfa685f630bdbf1b9ba4d7cc5d3e19f2635ecd02640485
sha512
86cc78b0f3f0184df6d879c6a8d047b1e488b6c8de4821b3a23ea30eeb629a4c98fab6c7da7c002acf14f75ce065fe15daae33cd3d18b8deb39ad9c48598fdc3
ripemd-160
84ed68e56d2eacd31209325c06b1180d6bdf16bc
Diameter
37974004
Circumference
119298851.99379
Area
1.1325637707019E+15
Volume
2.8671987439259E+22
Surface area
4.5302550828076E+15
Circumference
119298851.99379
Perimeter
75948008
Area
360506244948004
Diagonal
26851675.737205
Surface area
2163037469688024
Volume
6.8449327938402E+21
Space diagonal
32886452.147412
Perimeter
56961006
Area
1.5610378317395E+14
Altitude
16443226.073706
Surface area
1.5610378317395E+14
Volume
8.0668306588177E+20
Height
8950558.5790684