81492563 is an odd 8-digits prime number following 81492562
and preceding 81492564 . In scientific notation, it is written as 8.1492563 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 81492562 positive integers (up to 81492563) that are relatively prime to 81492563.
81492563 has 2 divisors, whose sum is 81492564
The reverse of 81492563 is 36529418
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
eighty-one million four hundred ninety-two thousand five hundred sixty-three
Scientific notation
8.1492563 × 10^7
Engineering notation
8.1492563 × 10^6
Prime Factorization
81492563
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81492563 Product of the distinct prime numbers
The prime factorization of 81492563 is 81492563.
Since it has a total of 1 prime factors.
9 , 8 , 48 , 38 , 942 , 767 , 2545 , 561 , 9661 , 87744 , 726820 , 810158 , 5815784 , 3448345 , 24475802 , 37547965 , 357225717 , 423430312 , 2512885574 , 8411531040
n×2
162985126
n×3
244477689
n×4
325970252
n×5
407462815
n÷2
40746281.5
n÷3
27164187.666667
n÷3
20373140.75
n÷5
16298512.6
n2
6641037824308969
n3
5.4119519328288E+23
n4
4.4103383383902E+31
n5
3.5940977489258E+39
2 √n9027.3231359025
3 √n433.55013484045
4 √n95.012226244323
5 √n38.21409644788
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81492564 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40746282 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9027.3231912899 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754579 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81492563 can be divided by 2 positive divisors.
The sum of these divisors (counting 81492563) is 81492564, the average is 40746282.
Base
System
Value
2
Binary
100110110110111101001010011
3
Ternary
12200100020210002
4
Quaternary
10312313221103
5
Quinary
131330230223
6
Senary
12030400215
8
Octal
466675123
10
Decimal
81492563
12
Duodecimal
2336006b
16
Hexadecimal
4db7a53
20
Vigesimal
1596b83
36
Base36
1cio2b
md5
ca919e4b7dfe6278e78ba03b3ee22fd9
sha1
07d2957c1d0588e08265c589a9557c4fc016c313
sha256
7ab016658fb7673e1bcd69921a87732956c80614ec92aabbe609629d23faa3b1
sha512
6efe7d9f383105706d72f0434ae8ef89da8b79963750c68bccca38628d5b4d1d28dc7a87ed3797770b8b2f4e844a54f2829f5a07ad282e5ac630812006e3bb61
ripemd-160
0baaf6fdf10978a48a802382339b3c5d67126fd0
Diameter
162985126
Circumference
512032874.48601
Area
2.0863435641061E+16
Volume
2.2669531245008E+24
Surface area
8.3453742564244E+16
Circumference
512032874.48601
Perimeter
325970252
Area
6641037824308969
Diagonal
115247887.82714
Surface area
39846226945853814
Volume
5.4119519328288E+23
Space diagonal
141149259.55501
Perimeter
244477689
Area
2.8756537316725E+15
Altitude
70574629.777504
Surface area
2.8756537316725E+15
Volume
6.3780465185982E+22
Height
38415962.609048