81467661 is an odd 8-digits composite number following 81467660
and preceding 81467662 . In scientific notation, it is written as 8.1467661 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 49374320 positive integers (up to 81467661) that are relatively prime to 81467661.
81467661 has 8 divisors, whose sum is 118498464
The reverse of 81467661 is 16676418
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred sixty-seven thousand six hundred sixty-one
Scientific notation
8.1467661 × 10^7
Engineering notation
8.1467661 × 10^6
Prime Factorization
3 × 11 × 2468717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81467661
Product of the distinct prime numbers
The prime factorization of 81467661 is 3 × 11 × 2468717.
Since it has a total of 3 prime factors.
6 , 2 , 5 , 15 , 758 , 927 , 5015 , 6029 , 76526 , 37332 , 579079 , 412824 , 3686235 , 7463517 , 85125949 , 70971530 , 386994821 , 360220205 , 7452699405 , 6203895512
n×2
162935322
n×3
244402983
n×4
325870644
n×5
407338305
n÷2
40733830.5
n÷3
27155887
n÷3
20366915.25
n÷5
16293532.2
n2
6636979788810921
n3
5.406992194987E+23
n4
4.4049500717085E+31
n5
3.5886097916387E+39
2 √n
9025.943773368
3 √n
433.50596980693
4 √n
95.004967098399
5 √n
38.211760716298
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81467660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81467661 can be divided by 8 positive divisors.
The sum of these divisors (counting 81467661) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110001100100001101
3
Ternary
12200021222121210
4
Quaternary
10312301210031
5
Quinary
131323431121
6
Senary
12030045033
8
Octal
466614415
10
Decimal
81467661
12
Duodecimal
23349779
16
Hexadecimal
4db190d
20
Vigesimal
1593931
36
Base36
1ci4ul
md5
745d2af113a11b66d490f4a88f8ef156
sha1
93b781015ed1bdaf5b908478e8a72e4144c4d301
sha256
c3a9347f88aa9c8f774ea46b8aeffa7409295a89656c04b3019f5c4ec40346c6
sha512
6e73fbeea6e7c55adf0693f38b9834e604a78e41d9877e43c7abd0cd1167e5595b8f6a5f29e32119f083d32f0d85d2967354ef9340ddd8b8971a8a26d9af9975
ripemd-160
d83000748017c0d6a016e6080c6c6d39943f5189
Diameter
162935322
Circumference
511876410.60549
Area
2.0850686946552E+16
Volume
2.2648755943718E+24
Surface area
8.3402747786209E+16
Circumference
511876410.60549
Perimeter
325870644
Area
6636979788810921
Diagonal
115212671.08101
Surface area
39821878732865526
Volume
5.406992194987E+23
Space diagonal
141106128.0258
Perimeter
244402983
Area
2.8738965507571E+15
Altitude
70553064.012899
Surface area
2.8738965507571E+15
Volume
6.3722014114967E+22
Height
38404223.693671