18201801 is an odd 8-digits composite number following 18201800
and preceding 18201802 . In scientific notation, it is written as 1.8201801 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12022992 positive integers (up to 18201801) that are relatively prime to 18201801.
18201801 has 8 divisors, whose sum is 24492160
The reverse of 18201801 is 10810281
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighteen million two hundred one thousand eight hundred one
Scientific notation
1.8201801 × 10^7
Engineering notation
1.8201801 × 10^6
Prime Factorization
3 × 109 × 55663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18201801
Product of the distinct prime numbers
The prime factorization of 18201801 is 3 × 109 × 55663.
Since it has a total of 3 prime factors.
1 , 10 , 87 , 47 , 706 , 247 , 6505 , 5033 , 83916 , 94914 , 740576 , 421472 , 5851200 , 5992735 , 89754201 , 43583502 , 301248151 , 487825051 , 5338189399 , 9299798228
n×2
36403602
n×3
54605403
n×4
72807204
n×5
91009005
n÷2
9100900.5
n÷3
6067267
n÷3
4550450.25
n÷5
3640360.2
n2
331305559643601
n3
6.0303578668265E+21
n4
1.0976337385076E+29
n5
1.9978910879201E+36
2 √n
4266.3568767744
3 √n
263.04988764827
4 √n
65.317355096286
5 √n
28.315411167175
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
-18201800
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 18201801 can be divided by 8 positive divisors.
The sum of these divisors (counting 18201801) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101011011110011001001
3
Ternary
1021020202011210
4
Quaternary
1011123303021
5
Quinary
14124424201
6
Senary
1450043333
8
Octal
105336311
10
Decimal
18201801
12
Duodecimal
6119549
16
Hexadecimal
115bcc9
20
Vigesimal
5df4a1
36
Base36
au4ll
md5
d38654f7996bec6e94bea4988866a39b
sha1
64220a08a899dffc5f2fefc74c5c32db7f394afa
sha256
9c3bacf2bfca071d3ab2cff1ead807cb542578e73785a030f71e63eb2ffade3b
sha512
71c32989f99a1fb03391248a720ea65f302b690e768f6e2076a979d905a5d17a46fdad1cfde53291378f6e7083fac95fb9d89d86dc0f0a080ed07506664299c9
ripemd-160
5d34708fadee2cb3c094e09f0ed436bfc1fa3c30
Diameter
36403602
Circumference
114365288.60741
Area
1.0408271122698E+15
Volume
2.5259903963919E+22
Surface area
4.1633084490792E+15
Circumference
114365288.60741
Perimeter
72807204
Area
331305559643601
Diagonal
25741233.833816
Surface area
1987833357861606
Volume
6.0303578668265E+21
Space diagonal
31526444.121258
Perimeter
54605403
Area
1.4345951553319E+14
Altitude
15763222.060629
Surface area
1.4345951553319E+14
Volume
7.1068449010244E+20
Height
8580411.2779387