81409963 is an odd 8-digits prime number following 81409962
and preceding 81409964 . In scientific notation, it is written as 8.1409963 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 81409962 positive integers (up to 81409963) that are relatively prime to 81409963.
81409963 has 2 divisors, whose sum is 81409964
The reverse of 81409963 is 36990418
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million four hundred nine thousand nine hundred sixty-three
Scientific notation
8.1409963 × 10^7
Engineering notation
8.1409963 × 10^6
Prime Factorization
81409963
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81409963
Product of the distinct prime numbers
The prime factorization of 81409963 is 81409963.
Since it has a total of 1 prime factors.
7 , 5 , 51 , 2 , 992 , 691 , 1425 , 1321 , 71918 , 69661 , 847280 , 177754 , 6804014 , 2298379 , 62352181 , 41212063 , 178850767 , 55463570 , 827809957 , 5439256441
n×2
162819926
n×3
244229889
n×4
325639852
n×5
407049815
n÷2
40704981.5
n÷3
27136654.333333
n÷3
20352490.75
n÷5
16281992.6
n2
6627582075661369
n3
5.3955121155906E+23
n4
4.3924844169628E+31
n5
3.5759199386302E+39
2 √n
9022.7469763925
3 √n
433.40360471167
4 √n
94.988141240854
5 √n
38.206346624385
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81409964
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40704982
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9022.747031808
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999975433
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81409963 can be divided by 2 positive divisors.
The sum of these divisors (counting 81409963) is 81409964, the average is 40704982.
Base
System
Value
2
Binary
100110110100011011110101011
3
Ternary
12200012001110211
4
Quaternary
10312203132223
5
Quinary
131320104323
6
Senary
12024521551
8
Octal
466433653
10
Decimal
81409963
12
Duodecimal
233202b7
16
Hexadecimal
4da37ab
20
Vigesimal
158g4i3
36
Base36
1cgwbv
md5
8c43cae887c7b7d675c733509a1317d3
sha1
c2bd0cbecbe34a872a21b7207ee7a8100376492f
sha256
0f36bda7fdbe7ed1c3d01a12ea71f7a24a2dbd1bd015705b39b075754f9f05aa
sha512
ded555fffa7ad2cdcce9e56da9da5bfeb448a688d4c1c92698667d0ed4ce60bbc6db2ac1de918e3cd247040e128a45d042515aa0356f388c084a29a75351b118
ripemd-160
328d8f33042455509ba311f7d47234633a20f2d7
Diameter
162819926
Circumference
511513883.37963
Area
2.0821163159961E+16
Volume
2.2600668299592E+24
Surface area
8.3284652639845E+16
Circumference
511513883.37963
Perimeter
325639852
Area
6627582075661369
Diagonal
115131073.78689
Surface area
39765492453968214
Volume
5.3955121155906E+23
Space diagonal
141006192.1583
Perimeter
244229889
Area
2.8698272215946E+15
Altitude
70503096.079151
Surface area
2.8698272215946E+15
Volume
6.3586720081804E+22
Height
38377024.595631