27806985 is an odd 8-digits composite number following 27806984
and preceding 27806986 . In scientific notation, it is written as 2.7806985 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 13810176 positive integers (up to 27806985) that are relatively prime to 27806985.
27806985 has 32 divisors, whose sum is 39674880
The reverse of 27806985 is 58960872
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-seven million eight hundred six thousand nine hundred eighty-five
Scientific notation
2.7806985 × 10^7
Engineering notation
2.7806985 × 10^6
Prime Factorization
5 × 9 × 17 × 223 × 163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27806985
Product of the distinct prime numbers
The prime factorization of 27806985 is 5 × 9 × 17 × 223 × 163.
Since it has a total of 5 prime factors.
8 , 1 , 53 , 15 , 377 , 210 , 3736 , 1833 , 80194 , 68279 , 842017 , 800565 , 9571015 , 9501711 , 30631961 , 74410366 , 855116910 , 752117642 , 8406642736 , 5332053816
n×2
55613970
n×3
83420955
n×4
111227940
n×5
139034925
n÷2
13903492.5
n÷3
9268995
n÷3
6951746.25
n÷5
5561397
n2
773228414790225
n3
2.1501150931646E+22
n4
5.97882181439E+29
n5
1.6625300851042E+37
2 √n
5273.2328793635
3 √n
302.95954104754
4 √n
72.617028852491
5 √n
30.81986843977
1 , 5 , 9 , 17 , 45 , 85 , 153 , 163 , 223 , 765 , 815 , 1115 , 1467 , 2007 , 2771 , 3791 , 7335 , 10035 , 13855 , 18955 , 24939 , 34119 , 36349 , 124695 , 170595 , 181745 , 327141 , 617933 , 1635705 , 3089665 , 5561397 , 27806985
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
-27806984
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 27806985 can be divided by 32 positive divisors.
The sum of these divisors (counting 27806985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010000100110100001001
3
Ternary
1221022202000100
4
Quaternary
1222010310021
5
Quinary
24104310420
6
Senary
2432000013
8
Octal
152046411
10
Decimal
27806985
12
Duodecimal
9390009
16
Hexadecimal
1a84d09
20
Vigesimal
8dfh95
36
Base36
gk009
md5
be9e3acbad4441b45660b2bfa99baf14
sha1
8068643089dbbfb858c1eb592ec3eab245d491fc
sha256
54172ce356d73c5ce530289c55d24cb9d5c5c47b4faa9ea200f483c8adc50973
sha512
65682bafa289b1a27fc49474be6c4c7e30e3426ca6179c39d4221bb5c0fc77102598c1854de7c8252d27e6c43718251559572a2a847e30e0f9e70c8e2c3cf1c3
ripemd-160
008c33c169dd073e1979ff5a410cf03c0d39455d
Diameter
55613970
Circumference
174716439.58896
Area
2.4291687074519E+15
Volume
9.0063810414111E+22
Surface area
9.7166748298074E+15
Circumference
174716439.58896
Perimeter
111227940
Area
773228414790225
Diagonal
39325015.315705
Surface area
4639370488741350
Volume
2.1501150931646E+22
Space diagonal
48163110.825306
Perimeter
83420955
Area
3.3481772506815E+14
Altitude
24081555.412653
Surface area
3.3481772506815E+14
Volume
2.533934937847E+21
Height
13108338.438568