27681921 is an odd 8-digits composite number following 27681920
and preceding 27681922 . In scientific notation, it is written as 2.7681921 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 17541216 positive integers (up to 27681921) that are relatively prime to 27681921.
27681921 has 16 divisors, whose sum is 32313600
The reverse of 27681921 is 12918672
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-seven million six hundred eighty-one thousand nine hundred twenty-one
Scientific notation
2.7681921 × 10^7
Engineering notation
2.7681921 × 10^6
Prime Factorization
9 × 29 × 67 × 1583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27681921
Product of the distinct prime numbers
The prime factorization of 27681921 is 9 × 29 × 67 × 1583.
Since it has a total of 4 prime factors.
5 , 2 , 91 , 62 , 630 , 354 , 4470 , 3416 , 66160 , 1764 , 567459 , 298240 , 7184119 , 9284501 , 22904123 , 83771800 , 105979308 , 780331824 , 1345413328 , 9416676141
n×2
55363842
n×3
83045763
n×4
110727684
n×5
138409605
n÷2
13840960.5
n÷3
9227307
n÷3
6920480.25
n÷5
5536384.2
n2
766288750250241
n3
2.1212344647616E+22
n4
5.8719844876008E+29
n5
1.6254781069899E+37
2 √n
5261.3611356758
3 √n
302.5046639993
4 √n
72.535240646708
5 √n
30.792095496532
1 , 9 , 29 , 67 , 261 , 603 , 1583 , 1943 , 14247 , 17487 , 45907 , 106061 , 413163 , 954549 , 3075769 , 27681921
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27681920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27681921 can be divided by 16 positive divisors.
The sum of these divisors (counting 27681921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100110010010000001
3
Ternary
1221002101110100
4
Quaternary
1221212102001
5
Quinary
24041310141
6
Senary
2425153013
8
Octal
151462201
10
Decimal
27681921
12
Duodecimal
932b769
16
Hexadecimal
1a66481
20
Vigesimal
8d04g1
36
Base36
ghbi9
md5
2088a590b0d5164e85cbb118668b9cff
sha1
fbae055318d97a7f6ee7b58a584149898be0df5b
sha256
b51622d8da5765fe46d1a45e05dc514e096a15e383fc5815ddcede09c4533688
sha512
372e2c5c96aac303399d725f5fdf32f0f96248d082abaf87f5e762abb408c9253668ea99ec77f91b5e6f66f1af18d3a1d0d6ed9fb36b67eabded54336f66b679
ripemd-160
5d3534993925374b9094ae2024ac87b0e82fd363
Diameter
55363842
Circumference
173930639.30171
Area
2.4073671083147E+15
Volume
8.8854061480487E+22
Surface area
9.6294684332586E+15
Circumference
173930639.30171
Perimeter
110727684
Area
766288750250241
Diagonal
39148148.110741
Surface area
4597732501501446
Volume
2.1212344647616E+22
Space diagonal
47946493.623108
Perimeter
83045763
Area
3.3181276217547E+14
Altitude
23973246.811554
Surface area
3.3181276217547E+14
Volume
2.4998987908659E+21
Height
13049382.70358