18993902 is an even 8-digits composite number following 18993901
and preceding 18993903 . In scientific notation, it is written as 1.8993902 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 9447552 positive integers (up to 18993902) that are relatively prime to 18993902.
18993902 has 8 divisors, whose sum is 28639056
The reverse of 18993902 is 20939981
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million nine hundred ninety-three thousand nine hundred two
Scientific notation
1.8993902 × 10^7
Engineering notation
1.8993902 × 10^6
Prime Factorization
2 × 193 × 49207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18993902
Product of the distinct prime numbers
The prime factorization of 18993902 is 2 × 193 × 49207.
Since it has a total of 3 prime factors.
8 , 5 , 34 , 59 , 154 , 29 , 7187 , 2101 , 35729 , 83764 , 958783 , 206221 , 4574748 , 5028609 , 76422656 , 33831724 , 442995536 , 592690008 , 4309424251 , 7599422145
n×2
37987804
n×3
56981706
n×4
75975608
n×5
94969510
n÷2
9496951
n÷3
6331300.6666667
n÷3
4748475.5
n÷5
3798780.4
n2
360768313185604
n3
6.8523979853527E+21
n4
1.3015377579879E+29
n5
2.4721280624521E+36
2 √n
4358.1993988343
3 √n
266.81161460136
4 √n
66.016660009685
5 √n
28.557674458973
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
-18993901
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 18993902 can be divided by 8 positive divisors.
The sum of these divisors (counting 18993902) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101001011101110
3
Ternary
1022201222201212
4
Quaternary
1020131023232
5
Quinary
14330301102
6
Senary
1515034422
8
Octal
110351356
10
Decimal
18993902
12
Duodecimal
643ba12
16
Hexadecimal
121d2ee
20
Vigesimal
5ie4f2
36
Base36
bb3se
md5
05f0932b261df07808e3f0aa257516a2
sha1
7a4ffad51af864b9a4bfef856e471957a95080ea
sha256
e78ad6c567e511564d73eff5d8a32cd660b33635de7075997fe93e909c4cac2b
sha512
49ee95c67fc7479cb57e6d744a8432392fc061481e47af64fc3d034fdee7cb1d535795f578a9a4a485508a773465dab4a17bf495f5848c4817e2d2feacd2d05e
ripemd-160
eba9522159a788721bb6c8e32a18f62ba418ef19
Diameter
37987804
Circumference
119342205.97241
Area
1.1333870823519E+15
Volume
2.8703257560343E+22
Surface area
4.5335483294075E+15
Circumference
119342205.97241
Perimeter
75975608
Area
360768313185604
Diagonal
26861433.810785
Surface area
2164609879113624
Volume
6.8523979853527E+21
Space diagonal
32898403.297984
Perimeter
56981706
Area
1.562172620496E+14
Altitude
16449201.648992
Surface area
1.562172620496E+14
Volume
8.0756284713865E+20
Height
8953811.2702618