81274823 is an odd 8-digits composite number following 81274822
and preceding 81274824 . In scientific notation, it is written as 8.1274823 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 69664128 positive integers (up to 81274823) that are relatively prime to 81274823.
81274823 has 4 divisors, whose sum is 92885520
The reverse of 81274823 is 32847218
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million two hundred seventy-four thousand eight hundred twenty-three
Scientific notation
8.1274823 × 10^7
Engineering notation
8.1274823 × 10^6
Prime Factorization
7 × 11610689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81274823
Product of the distinct prime numbers
The prime factorization of 81274823 is 7 × 11610689.
Since it has a total of 2 prime factors.
4 , 2 , 93 , 55 , 86 , 196 , 1924 , 7429 , 39978 , 82911 , 215047 , 979339 , 6610406 , 3720074 , 59433089 , 54974567 , 315212391 , 960900416 , 7847075303 , 7150781017
n×2
162549646
n×3
243824469
n×4
325099292
n×5
406374115
n÷2
40637411.5
n÷3
27091607.666667
n÷3
20318705.75
n÷5
16254964.6
n2
6605596853681329
n3
5.3686871509231E+23
n4
4.3633909793365E+31
n5
3.5463382952537E+39
2 √n
9015.2550158052
3 √n
433.16365618614
4 √n
94.948696756749
5 √n
38.193653737014
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
-81274822
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 81274823 can be divided by 4 positive divisors.
The sum of these divisors (counting 81274823) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000010011111000111
3
Ternary
12122221012002122
4
Quaternary
10312002133013
5
Quinary
131301243243
6
Senary
12022000155
8
Octal
466023707
10
Decimal
81274823
12
Duodecimal
2327605b
16
Hexadecimal
4d827c7
20
Vigesimal
157j713
36
Base36
1ce01z
md5
a95996648138b9a0ed8baefe72c802f8
sha1
2d86700a716702aa6996b4549181d36485be885a
sha256
034b8591b0cae926ed685262d7e3766c8baa19a21665bf0aa06180736e271e52
sha512
e3080fa18584fb1da5d83dd3809bc5265d31449f44e9d74a1db1c9e781dd69a4832196f59ece6146f7ec9fca75fd2d6860623c13b741e5d69f9f13f579bd35ca
ripemd-160
49a495b655d8cfa8ea9f0a48c1b0bd22ee88a806
Diameter
162549646
Circumference
510664773.71722
Area
2.0752094548101E+16
Volume
2.2488304150349E+24
Surface area
8.3008378192404E+16
Circumference
510664773.71722
Perimeter
325099292
Area
6605596853681329
Diagonal
114939956.96607
Surface area
39633581122087974
Volume
5.3686871509231E+23
Space diagonal
140772122.81217
Perimeter
243824469
Area
2.8603073412233E+15
Altitude
70386061.406084
Surface area
2.8603073412233E+15
Volume
6.3270584841446E+22
Height
38313318.988691