18385901 is an odd 8-digits composite number following 18385900
and preceding 18385902 . In scientific notation, it is written as 1.8385901 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 16660512 positive integers (up to 18385901) that are relatively prime to 18385901.
18385901 has 8 divisors, whose sum is 20195520
The reverse of 18385901 is 10958381
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million three hundred eighty-five thousand nine hundred one
Scientific notation
1.8385901 × 10^7
Engineering notation
1.8385901 × 10^6
Prime Factorization
23 × 19 × 42073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18385901
Product of the distinct prime numbers
The prime factorization of 18385901 is 23 × 19 × 42073.
Since it has a total of 3 prime factors.
9 , 7 , 60 , 20 , 140 , 397 , 3744 , 3431 , 98360 , 88482 , 269013 , 294499 , 1992847 , 3440486 , 67114187 , 45851949 , 323903415 , 139795578 , 3791023308 , 7421482073
n×2
36771802
n×3
55157703
n×4
73543604
n×5
91929505
n÷2
9192950.5
n÷3
6128633.6666667
n÷3
4596475.25
n÷5
3677180.2
n2
338041355581801
n3
6.2151948976328E+21
n4
1.1427195808358E+29
n5
2.1009929084009E+36
2 √n
4287.8783798051
3 √n
263.9337768163
4 √n
65.481893526418
5 √n
28.372459415403
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
-18385900
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 18385901 can be divided by 8 positive divisors.
The sum of these divisors (counting 18385901) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001000101111101101
3
Ternary
1021121002201022
4
Quaternary
1012020233231
5
Quinary
14201322101
6
Senary
1454023525
8
Octal
106105755
10
Decimal
18385901
12
Duodecimal
61a7ba5
16
Hexadecimal
1188bed
20
Vigesimal
5ei4f1
36
Base36
ay2nh
md5
b1be4505d00945d3541f6fb6f7b5d269
sha1
966fda848a828b09ebb43c224d932e904494cd5c
sha256
ff882a29fb331315ac3adbb4b0dfbf10d005227a31c7322de3aac11494bfee13
sha512
9dc2133052391beb150f36ac0c737807f6ad11b51dce9a763212b330618f1b3ae1e6d01248be2d9a62b9c1c8c63f45b72372c3a616f541a23ab4c7a7f4ddcb00
ripemd-160
2b678adb280232ab2d137939cd0530a9c0cfc52c
Diameter
36771802
Circumference
115522023.02246
Area
1.0619882393053E+15
Volume
2.6034147508043E+22
Surface area
4.2479529572213E+15
Circumference
115522023.02246
Perimeter
73543604
Area
338041355581801
Diagonal
26001590.550649
Surface area
2028248133490806
Volume
6.2151948976328E+21
Space diagonal
31845314.674931
Perimeter
55157703
Area
1.4637620073178E+14
Altitude
15922657.337466
Surface area
1.4637620073178E+14
Volume
7.3246774308536E+20
Height
8667196.8502164