27720985 is an odd 8-digits composite number following 27720984
and preceding 27720986 . In scientific notation, it is written as 2.7720985 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 22104240 positive integers (up to 27720985) that are relatively prime to 27720985.
27720985 has 8 divisors, whose sum is 33374016
The reverse of 27720985 is 58902772
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-seven million seven hundred twenty thousand nine hundred eighty-five
Scientific notation
2.7720985 × 10^7
Engineering notation
2.7720985 × 10^6
Prime Factorization
5 × 311 × 17827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27720985
Product of the distinct prime numbers
The prime factorization of 27720985 is 5 × 311 × 17827.
Since it has a total of 3 prime factors.
8 , 6 , 66 , 68 , 522 , 777 , 9044 , 7276 , 78360 , 77411 , 51925 , 429972 , 8705664 , 6402054 , 50581345 , 77187893 , 564636967 , 799513178 , 3395040759 , 7983875438
n×2
55441970
n×3
83162955
n×4
110883940
n×5
138604925
n÷2
13860492.5
n÷3
9240328.3333333
n÷3
6930246.25
n÷5
5544197
n2
768453009370225
n3
2.1302274345957E+22
n4
5.9052002761016E+29
n5
1.6369796827581E+37
2 √n
5265.0721742441
3 √n
302.64689266322
4 √n
72.560817072606
5 √n
30.800781194419
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
-27720984
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 27720985 can be divided by 8 positive divisors.
The sum of these divisors (counting 27720985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101111110100011001
3
Ternary
1221011101001011
4
Quaternary
1221233310121
5
Quinary
24044032420
6
Senary
2430053521
8
Octal
151576431
10
Decimal
27720985
12
Duodecimal
934a2a1
16
Hexadecimal
1a6fd19
20
Vigesimal
8d5295
36
Base36
gi5nd
md5
6646ab38546e359e22305ae332ebcd9a
sha1
2e42f884be8b3dc7b6ca9d693a104e628966c530
sha256
709fd3ee05bc0d4d5a25627d0f3a18e63d68b27be75dcf564ddca4b3893ac116
sha512
ee80dd74ce5818bbbd6c17730042d76f14a3ba4a87312b4d5c28f8ce8fc543c2dbb15a4619504de7be5fc70f5b4710b1796e907a46789a11d83ad7e3222d1409
ripemd-160
5ba8ef64a91d0b8d8ccd7385858b7b4dd96186a0
Diameter
55441970
Circumference
174176085.65255
Area
2.4141663288665E+15
Volume
8.9230758120017E+22
Surface area
9.6566653154659E+15
Circumference
174176085.65255
Perimeter
110883940
Area
768453009370225
Diagonal
39203392.949341
Surface area
4610718056221350
Volume
2.1302274345957E+22
Space diagonal
48014154.455855
Perimeter
83162955
Area
3.3274991386461E+14
Altitude
24007077.227927
Surface area
3.3274991386461E+14
Volume
2.5104971074537E+21
Height
13067797.64978