81330462 is an even 8-digits composite number following 81330461
and preceding 81330463 . In scientific notation, it is written as 8.1330462 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 27048096 positive integers (up to 81330462) that are relatively prime to 81330462.
81330462 has 24 divisors, whose sum is 176619456
The reverse of 81330462 is 26403318
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million three hundred thirty thousand four hundred sixty-two
Scientific notation
8.1330462 × 10^7
Engineering notation
8.1330462 × 10^6
Prime Factorization
2 × 3 × 3 × 457 × 9887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27110154
Product of the distinct prime numbers
The prime factorization of 81330462 is 2 × 3 × 3 × 457 × 9887.
Since it has a total of 5 prime factors.
3 , 1 , 89 , 61 , 536 , 441 , 5925 , 576 , 83357 , 31766 , 1418 , 29685 , 205591 , 2306122 , 46648214 , 46144435 , 634894595 , 795663573 , 4808528783 , 5706516436
n×2
162660924
n×3
243991386
n×4
325321848
n×5
406652310
n÷2
40665231
n÷3
27110154
n÷3
20332615.5
n÷5
16266092.4
n2
6614644049133444
n3
5.3797205648157E+23
n4
4.3753515896736E+31
n5
3.5584936620059E+39
2 √n
9018.3403129401
3 √n
433.26247848739
4 √n
94.964942546921
5 √n
38.198881616826
1 , 2 , 3 , 6 , 9 , 18 , 457 , 914 , 1371 , 2742 , 4113 , 8226 , 9887 , 19774 , 29661 , 59322 , 88983 , 177966 , 4518359 , 9036718 , 13555077 , 27110154 , 40665231 , 81330462
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
-81330461
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 81330462 can be divided by 24 positive divisors.
The sum of these divisors (counting 81330462) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110010000000100011110
3
Ternary
12200001000102100
4
Quaternary
10312100010132
5
Quinary
131310033322
6
Senary
12023105530
8
Octal
466200436
10
Decimal
81330462
12
Duodecimal
232a22a6
16
Hexadecimal
4d9011e
20
Vigesimal
1586632
36
Base36
1cf6zi
md5
5420d2ff80d4f52727f6cd20e147ffd9
sha1
1148cd41c528bb3007a4ef62579c7c4cbf670de7
sha256
0c291fede437f7b903c160e1e4576ac4ef4251c7c2e5f7062f5f0e0f7d5cdcdf
sha512
2ea4e9d7919d824c739c021cef312f34203ed772f9e84b5c7fd5a665baab972a2b565c84dd6edfd28cc9242b0fa21bfae3c3946ac1c46532e85025f17d534a6b
ripemd-160
651cfaba6b6be303c083df8244abf9998b80c763
Diameter
162660924
Circumference
511014363.86453
Area
2.0780517150869E+16
Volume
2.2534520806388E+24
Surface area
8.3122068603476E+16
Circumference
511014363.86453
Perimeter
325321848
Area
6614644049133444
Diagonal
115018642.39447
Surface area
39687864294800664
Volume
5.3797205648157E+23
Space diagonal
140868492.38705
Perimeter
243991386
Area
2.8642248917706E+15
Altitude
70434246.193525
Surface area
2.8642248917706E+15
Volume
6.3400614871166E+22
Height
38339547.464823