81492562 is an even 8-digits composite number following 81492561
and preceding 81492563 . In scientific notation, it is written as 8.1492562 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 40746280 positive integers (up to 81492562) that are relatively prime to 81492562.
81492562 has 4 divisors, whose sum is 122238846
The reverse of 81492562 is 26529418
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million four hundred ninety-two thousand five hundred sixty-two
Scientific notation
8.1492562 × 10^7
Engineering notation
8.1492562 × 10^6
Prime Factorization
2 × 40746281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81492562
Product of the distinct prime numbers
The prime factorization of 81492562 is 2 × 40746281.
Since it has a total of 2 prime factors.
6 , 10 , 67 , 97 , 525 , 377 , 7980 , 7032 , 38825 , 35937 , 775373 , 487860 , 1259801 , 856950 , 55787703 , 13341795 , 684516129 , 883338594 , 2923358289 , 1688716585
n×2
162985124
n×3
244477686
n×4
325970248
n×5
407462810
n÷2
40746281
n÷3
27164187.333333
n÷3
20373140.5
n÷5
16298512.4
n2
6641037661323844
n3
5.4119517335977E+23
n4
4.4103381219122E+31
n5
3.5940975284089E+39
2 √n
9027.3230805151
3 √n
433.55013306708
4 √n
95.012225952848
5 √n
38.214096354095
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
-81492561
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 81492562 can be divided by 4 positive divisors.
The sum of these divisors (counting 81492562) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110111101001010010
3
Ternary
12200100020210001
4
Quaternary
10312313221102
5
Quinary
131330230222
6
Senary
12030400214
8
Octal
466675122
10
Decimal
81492562
12
Duodecimal
2336006a
16
Hexadecimal
4db7a52
20
Vigesimal
1596b82
36
Base36
1cio2a
md5
24d946a42a9f51333e3ff53acb233ce3
sha1
cfec1f39790c9306d4b28f22856b495c7a082419
sha256
0043a8a3faf1056773f34c7978b8dbbb7df3336f62c4074c9679a55cf9ede0c5
sha512
ea36a737846bae99ee0beb9488840c79f5c8e708b80e225553c39e34f29ef438d6b39ab268d6a2b98d5347fbc79c57564b667da8dc4d8a9250c455eae4180d9d
ripemd-160
8bf88fc66d6b1d85848f0a21340956a60a213a37
Diameter
162985124
Circumference
512032868.20282
Area
2.0863435129028E+16
Volume
2.2669530410471E+24
Surface area
8.3453740516113E+16
Circumference
512032868.20282
Perimeter
325970248
Area
6641037661323844
Diagonal
115247886.41293
Surface area
39846225967943064
Volume
5.4119517335977E+23
Space diagonal
141149257.82296
Perimeter
244477686
Area
2.8756536610978E+15
Altitude
70574628.911478
Surface area
2.8756536610978E+15
Volume
6.378046283802E+22
Height
38415962.137643