81573312 is an even 8-digits composite number following 81573311
and preceding 81573313 . In scientific notation, it is written as 8.1573312 × 10^7.
The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors.
There are 27191040 positive integers (up to 81573312) that are relatively prime to 81573312.
81573312 has 28 divisors, whose sum is 215829896
The reverse of 81573312 is 21337518
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million five hundred seventy-three thousand three hundred twelve
Scientific notation
8.1573312 × 10^7
Engineering notation
8.1573312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 424861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2549166
Product of the distinct prime numbers
The prime factorization of 81573312 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 424861.
Since it has a total of 8 prime factors.
5 , 1 , 98 , 29 , 594 , 420 , 5860 , 252 , 3489 , 67574 , 947601 , 108153 , 8746664 , 1431399 , 13671280 , 7542552 , 786676985 , 800173462 , 5697038631 , 6457445118
n×2
163146624
n×3
244719936
n×4
326293248
n×5
407866560
n÷2
40786656
n÷3
27191104
n÷3
20393328
n÷5
16314662.4
n2
6654205230649344
n3
5.4280555939179E+23
n4
4.4278447251601E+31
n5
3.6119395925304E+39
2 √n
9031.7945060769
3 √n
433.69328566636
4 √n
95.035753830213
5 √n
38.221666531945
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 424861 , 849722 , 1274583 , 1699444 , 2549166 , 3398888 , 5098332 , 6797776 , 10196664 , 13595552 , 20393328 , 27191104 , 40786656 , 81573312
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81573311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81573312 can be divided by 28 positive divisors.
The sum of these divisors (counting 81573312) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110111001011010111000000
3
Ternary
12200111100112210
4
Quaternary
10313023113000
5
Quinary
131340321222
6
Senary
12032222120
8
Octal
467132700
10
Decimal
81573312
12
Duodecimal
2339a940
16
Hexadecimal
4dcb5c0
20
Vigesimal
159gd5c
36
Base36
1ckedc
md5
7022556321933d6fc545f6c5ebf36f5d
sha1
3f5c7c0deaebf0460549f510d7ef26571fc97c99
sha256
e06f829fc4f6111671cb0d11a2b5ebc09f9fe484ea7c89b08da44bf636edb886
sha512
ee5d56549e220723b9d22ac3a2dea8eb9010be10bb1bebe59cc3b67ed7b163bdd52afaabdb4417089edf19b5a9598e649cefac31a9c68c4c08b9f2d1b464ea12
ripemd-160
6876f1cb7f8004b36ca7fabbc76ce282579f12e4
Diameter
163146624
Circumference
512540235.41638
Area
2.0904802268087E+16
Volume
2.2736986102839E+24
Surface area
8.3619209072347E+16
Circumference
512540235.41638
Perimeter
326293248
Area
6654205230649344
Diagonal
115362084.15809
Surface area
39925231383896064
Volume
5.4280555939179E+23
Space diagonal
141289120.92567
Perimeter
244719936
Area
2.8813553858688E+15
Altitude
70644560.462834
Surface area
2.8813553858688E+15
Volume
6.3970248651949E+22
Height
38454028.052697