81493314 is an even 8-digits composite number following 81493313
and preceding 81493315 . In scientific notation, it is written as 8.1493314 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 22555584 positive integers (up to 81493314) that are relatively prime to 81493314.
81493314 has 24 divisors, whose sum is 164333520
The reverse of 81493314 is 41339418
Previous prime number is 229
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million four hundred ninety-three thousand three hundred fourteen
Scientific notation
8.1493314 × 10^7
Engineering notation
8.1493314 × 10^6
Prime Factorization
2 × 259 × 3 × 229 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
355866
Product of the distinct prime numbers
The prime factorization of 81493314 is 2 × 259 × 3 × 229 × 229.
Since it has a total of 5 prime factors.
10 , 6 , 82 , 61 , 934 , 212 , 1929 , 7109 , 59024 , 69114 , 542137 , 114916 , 7111222 , 5134314 , 25746887 , 55235809 , 332785226 , 249508601 , 5783751093 , 6394088656
n×2
162986628
n×3
244479942
n×4
325973256
n×5
407466570
n÷2
40746657
n÷3
27164438
n÷3
20373328.5
n÷5
16298662.8
n2
6641160226702596
n3
5.4121015567899E+23
n4
4.4105009156736E+31
n5
3.5942633601828E+39
2 √n
9027.3647317476
3 √n
433.55146663949
4 √n
95.0124451414
5 √n
38.214166880518
1 , 2 , 3 , 6 , 229 , 259 , 458 , 518 , 687 , 777 , 1374 , 1554 , 52441 , 59311 , 104882 , 118622 , 157323 , 177933 , 314646 , 355866 , 13582219 , 27164438 , 40746657 , 81493314
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81493313
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81493314 can be divided by 24 positive divisors.
The sum of these divisors (counting 81493314) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110111110101000010
3
Ternary
12200100021210220
4
Quaternary
10312313311002
5
Quinary
131330241224
6
Senary
12030403510
8
Octal
466676502
10
Decimal
81493314
12
Duodecimal
23360596
16
Hexadecimal
4db7d42
20
Vigesimal
1596d5e
36
Base36
1cion6
md5
c5f391eae23ee27a9488d8fddcf97ed9
sha1
8d2e18c0cf403394b097d4e3f965c95658ae3425
sha256
4c18cd3ac59bac75ced5c48ecab85ba5cc8daba8410c6716d7e41ff8e6203c5d
sha512
955460e4d5afac6cd0597ba3ea1593989fdc8836d921c09499dd6d2cf66a7ba1d44302e2a8e77bd19235407cf8bcb6759990bbb77d8e2b02b081f3e39219664a
ripemd-160
9eb95ceb9b69132c6447f4422db5d8b819f402af
Diameter
162986628
Circumference
512037593.15817
Area
2.0863820179522E+16
Volume
2.2670157988391E+24
Surface area
8.3455280718086E+16
Circumference
512037593.15817
Perimeter
325973256
Area
6641160226702596
Diagonal
115248949.90153
Surface area
39846961360215576
Volume
5.4121015567899E+23
Space diagonal
141150560.32516
Perimeter
244479942
Area
2.8757067334636E+15
Altitude
70575280.162582
Surface area
2.8757067334636E+15
Volume
6.3782228521273E+22
Height
38416316.633843