18985216 is an even 8-digits composite number following 18985215
and preceding 18985217 . In scientific notation, it is written as 1.8985216 × 10^7.
The sum of its digits is 40. It has a total of 9 prime factors and 18 positive divisors.
There are 9492480 positive integers (up to 18985216) that are relatively prime to 18985216.
18985216 has 18 divisors, whose sum is 37896782
The reverse of 18985216 is 61258981
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred eighty-five thousand two hundred sixteen
Scientific notation
1.8985216 × 10^7
Engineering notation
1.8985216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 74161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
148322
Product of the distinct prime numbers
The prime factorization of 18985216 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 74161.
Since it has a total of 9 prime factors.
6 , 6 , 24 , 11 , 755 , 499 , 9109 , 8283 , 96680 , 58695 , 898084 , 387683 , 5591285 , 2478499 , 94523465 , 36236015 , 926408134 , 263646952 , 9205849442 , 911849901
n×2
37970432
n×3
56955648
n×4
75940864
n×5
94926080
n÷2
9492608
n÷3
6328405.3333333
n÷3
4746304
n÷5
3797043.2
n2
360438426566656
n3
6.8430013830681E+21
n4
1.2991585934585E+29
n5
2.4664806515065E+36
2 √n
4357.2027724218
3 √n
266.77093700133
4 √n
66.009111283381
5 √n
28.555062069514
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 74161 , 148322 , 296644 , 593288 , 1186576 , 2373152 , 4746304 , 9492608 , 18985216
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18985215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18985216 can be divided by 18 positive divisors.
The sum of these divisors (counting 18985216) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001000011011000100000000
3
Ternary
1022201112211011
4
Quaternary
1020123010000
5
Quinary
14330011331
6
Senary
1514530304
8
Octal
110330400
10
Decimal
18985216
12
Duodecimal
6436994
16
Hexadecimal
121b100
20
Vigesimal
5id30g
36
Base36
bax34
md5
3c02e17d7993133d542dd4999c08eb7f
sha1
5d88e48595b65fc35dceeddd989b7796707b1681
sha256
261547f2d019e52be7c30e29620fbe31a7b638f15d36fe67386a600c86b12476
sha512
b00d54a38862b3c932df14b9c27109a2a8b6e6cb467bb19fc6d1a4bfd7f5fb1db409ee1aedc8140264d81756ded19b211bb566dbdffbf6fbc2e619e831fa685c
ripemd-160
e32a8b533e3f79c039776ef4f60ef27ba7c72198
Diameter
37970432
Circumference
119287630.22483
Area
1.1323507129733E+15
Volume
2.8663897164735E+22
Surface area
4.5294028518931E+15
Circumference
119287630.22483
Perimeter
75940864
Area
360438426566656
Diagonal
26849149.951783
Surface area
2162630559399936
Volume
6.8430013830681E+21
Space diagonal
32883358.70467
Perimeter
56955648
Area
1.5607441695341E+14
Altitude
16441679.352335
Surface area
1.5607441695341E+14
Volume
8.064554469394E+20
Height
8949716.6505942