27720991 is an odd 8-digits composite number following 27720990
and preceding 27720992 . In scientific notation, it is written as 2.7720991 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 27518512 positive integers (up to 27720991) that are relatively prime to 27720991.
27720991 has 4 divisors, whose sum is 27923472
The reverse of 27720991 is 19902772
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-seven million seven hundred twenty thousand nine hundred ninety-one
Scientific notation
2.7720991 × 10^7
Engineering notation
2.7720991 × 10^6
Prime Factorization
137 × 202343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27720991
Product of the distinct prime numbers
The prime factorization of 27720991 is 137 × 202343.
Since it has a total of 2 prime factors.
8 , 9 , 73 , 66 , 381 , 963 , 3912 , 4371 , 30887 , 24868 , 131446 , 302563 , 692218 , 1704014 , 29755516 , 29350104 , 642998463 , 789990403 , 3687349122 , 3917429977
n×2
55441982
n×3
83162973
n×4
110883964
n×5
138604955
n÷2
13860495.5
n÷3
9240330.3333333
n÷3
6930247.75
n÷5
5544198.2
n2
768453342022081
n3
2.1302288178114E+22
n4
5.9052053886491E+29
n5
1.6369814543189E+37
2 √n
5265.0727440369
3 √n
302.64691449843
4 √n
72.560820998917
5 √n
30.800782527739
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27720990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27720991 can be divided by 4 positive divisors.
The sum of these divisors (counting 27720991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001101111110100011111
3
Ternary
1221011101001101
4
Quaternary
1221233310133
5
Quinary
24044032431
6
Senary
2430053531
8
Octal
151576437
10
Decimal
27720991
12
Duodecimal
934a2a7
16
Hexadecimal
1a6fd1f
20
Vigesimal
8d529b
36
Base36
gi5nj
md5
c95c97ae48250c06ba7520110669885c
sha1
bceeabafbce63fe02fe914f4abea9bcac8e15cba
sha256
93b38c09c17e67eff472a2a3b14a0479c5715d85380546191bd8a68f674c93af
sha512
41e80c4d63b16832fe23c1e1fa2750a6b23fb3a2260077621d1312d248a175fdcdf6363d6d640bff93cd497d87cda9c0d6a8d3311e26a74433939dac477558e4
ripemd-160
ef3d9f1b3abff700d382880a787aec7c329a2783
Diameter
55441982
Circumference
174176123.35166
Area
2.4141673739231E+15
Volume
8.9230816060021E+22
Surface area
9.6566694956924E+15
Circumference
174176123.35166
Perimeter
110883964
Area
768453342022081
Diagonal
39203401.434623
Surface area
4610720052132486
Volume
2.1302288178114E+22
Space diagonal
48014164.84816
Perimeter
83162973
Area
3.3275005790709E+14
Altitude
24007082.42408
Surface area
3.3275005790709E+14
Volume
2.5104987375891E+21
Height
13067800.478208