18485720 is an even 8-digits composite number following 18485719
and preceding 18485721 . In scientific notation, it is written as 1.8485720 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors.
There are 6721920 positive integers (up to 18485720) that are relatively prime to 18485720.
18485720 has 32 divisors, whose sum is 45375120
The reverse of 18485720 is 02758481
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million four hundred eighty-five thousand seven hundred twenty
Scientific notation
1.8485720 × 10^7
Engineering notation
1.8485720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 11 × 42013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4621430
Product of the distinct prime numbers
The prime factorization of 18485720 is 2 × 2 × 2 × 5 × 11 × 42013.
Since it has a total of 6 prime factors.
5 , 9 , 91 , 20 , 69 , 922 , 8589 , 2864 , 66639 , 24931 , 684769 , 614851 , 4656975 , 7677467 , 14750755 , 10304290 , 122201696 , 418584811 , 4390026376 , 3434784927
n×2
36971440
n×3
55457160
n×4
73942880
n×5
92428600
n÷2
9242860
n÷3
6161906.6666667
n÷3
4621430
n÷5
3697144
n2
341721843918400
n3
6.3169743245592E+21
n4
1.1677381861099E+29
n5
2.1586481141736E+36
2 √n
4299.5022967781
3 √n
264.41055648316
4 √n
65.570590181712
5 √n
28.403200146075
1 , 2 , 4 , 5 , 8 , 10 , 11 , 20 , 22 , 40 , 44 , 55 , 88 , 110 , 220 , 440 , 42013 , 84026 , 168052 , 210065 , 336104 , 420130 , 462143 , 840260 , 924286 , 1680520 , 1848572 , 2310715 , 3697144 , 4621430 , 9242860 , 18485720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18485719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18485720 can be divided by 32 positive divisors.
The sum of these divisors (counting 18485720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110100001000111011000
3
Ternary
1021210011122022
4
Quaternary
1012201013120
5
Quinary
14213020340
6
Senary
1500114012
8
Octal
106410730
10
Decimal
18485720
12
Duodecimal
6235908
16
Hexadecimal
11a11d8
20
Vigesimal
5fae60
36
Base36
b07o8
md5
6df5622ba38501376bbaafee399dd2ca
sha1
bb3f71f447108d1031c252dfda19fa92e030a2a4
sha256
f03722ca071c89073bcd841b477a1eb4518f1848ebcfecabbeb3037c87a78471
sha512
2a76c9963b0da56edffc3a010d96ab5479c861fe44f55d15ce9e7b65935566ea0a0a4ff40b4249d0dd2f640e7662e693da18807f47ed6ddb1cc3d3ed493c5d90
ripemd-160
5dc54f071e7b944a2e2c0812f9efa0160c33e878
Diameter
36971440
Circumference
116149204.29664
Area
1.0735508344252E+15
Volume
2.6460480174601E+22
Surface area
4.2942033377008E+15
Circumference
116149204.29664
Perimeter
73942880
Area
341721843918400
Diagonal
26142755.934232
Surface area
2050331063510400
Volume
6.3169743245592E+21
Space diagonal
32018206.254492
Perimeter
55457160
Area
1.479698989307E+14
Altitude
16009103.127246
Surface area
1.479698989307E+14
Volume
7.4446256357953E+20
Height
8714251.9780772