81314448 is an even 8-digits composite number following 81314447
and preceding 81314449 . In scientific notation, it is written as 8.1314448 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors.
There are 27104800 positive integers (up to 81314448) that are relatively prime to 81314448.
81314448 has 20 divisors, whose sum is 210062448
The reverse of 81314448 is 84441318
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred fourteen thousand four hundred forty-eight
Scientific notation
8.1314448 × 10^7
Engineering notation
8.1314448 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1694051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10164306
Product of the distinct prime numbers
The prime factorization of 81314448 is 2 × 2 × 2 × 2 × 3 × 1694051.
Since it has a total of 6 prime factors.
4 , 9 , 60 , 75 , 745 , 713 , 5648 , 1520 , 29821 , 37956 , 191156 , 94315 , 5442126 , 5965077 , 32441331 , 90520836 , 236831528 , 465345142 , 4592863649 , 2549292205
n×2
162628896
n×3
243943344
n×4
325257792
n×5
406572240
n÷2
40657224
n÷3
27104816
n÷3
20328612
n÷5
16262889.6
n2
6612039453544704
n3
5.3765433831921E+23
n4
4.3719065735232E+31
n5
3.5549916973361E+39
2 √n
9017.4524118511
3 √n
433.23404010325
4 √n
94.960267543068
5 √n
38.197377223368
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1694051 , 3388102 , 5082153 , 6776204 , 10164306 , 13552408 , 20328612 , 27104816 , 40657224 , 81314448
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81314447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81314448 can be divided by 20 positive divisors.
The sum of these divisors (counting 81314448) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110110001100001010010000
3
Ternary
12200000012110020
4
Quaternary
10312030022100
5
Quinary
131304030243
6
Senary
12022503440
8
Octal
466141220
10
Decimal
81314448
12
Duodecimal
23294b80
16
Hexadecimal
4d8c290
20
Vigesimal
1584628
36
Base36
1ceumo
md5
f7c40dcd45c048907c84b4bb99767dcd
sha1
0a8b599b90500e7c975ac9896e409848159ab37c
sha256
9b58d24386a06981a01dddd121a723cbd1b815e831ab11b19cf70386fd01236f
sha512
440a81e15e88036f3ec00e0fce6bb69bc8176c470ef6dca59654efe8ae627b4f118e68a19119e3a8ec786bf6f8e1446a008c38215cb16d0b8b255e3568f993cc
ripemd-160
b56df85ed70134dd7f7c790b7825189cb3a4d52d
Diameter
162628896
Circumference
510913744.93502
Area
2.0772334572502E+16
Volume
2.2521212259124E+24
Surface area
8.3089338290008E+16
Circumference
510913744.93502
Perimeter
325257792
Area
6612039453544704
Diagonal
114995995.17848
Surface area
39672236721268224
Volume
5.3765433831921E+23
Space diagonal
140840755.32542
Perimeter
243943344
Area
2.8630970687973E+15
Altitude
70420377.662709
Surface area
2.8630970687973E+15
Volume
6.3363171426647E+22
Height
38331998.392827