81344983 is an odd 8-digits composite number following 81344982
and preceding 81344984 . In scientific notation, it is written as 8.1344983 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 74454016 positive integers (up to 81344983) that are relatively prime to 81344983.
81344983 has 16 divisors, whose sum is 88529760
The reverse of 81344983 is 38944318
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million three hundred forty-four thousand nine hundred eighty-three
Scientific notation
8.1344983 × 10^7
Engineering notation
8.1344983 × 10^6
Prime Factorization
17 × 53 × 137 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81344983
Product of the distinct prime numbers
The prime factorization of 81344983 is 17 × 53 × 137 × 659.
Since it has a total of 4 prime factors.
3 , 3 , 38 , 42 , 935 , 522 , 6434 , 6752 , 5086 , 3273 , 790812 , 498543 , 2755881 , 3520137 , 48114935 , 23858748 , 63022615 , 909334401 , 5668545978 , 5791691734
n×2
162689966
n×3
244034949
n×4
325379932
n×5
406724915
n÷2
40672491.5
n÷3
27114994.333333
n÷3
20336245.75
n÷5
16268996.6
n2
6617006259270289
n3
5.3826026167124E+23
n4
4.3784771835222E+31
n5
3.561671520595E+39
2 √n
9019.1453586246
3 √n
433.28826230772
4 √n
94.969181099052
5 √n
38.200245549444
1 , 17 , 53 , 137 , 659 , 901 , 2329 , 7261 , 11203 , 34927 , 90283 , 123437 , 593759 , 1534811 , 4784999 , 81344983
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81344982
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81344983 can be divided by 16 positive divisors.
The sum of these divisors (counting 81344983) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010011100111010111
3
Ternary
12200001202100011
4
Quaternary
10312103213113
5
Quinary
131311014413
6
Senary
12023301051
8
Octal
466234727
10
Decimal
81344983
12
Duodecimal
232aa787
16
Hexadecimal
4d939d7
20
Vigesimal
1588293
36
Base36
1cfi6v
md5
b213e2f5fceb3cea1773b23370cef1c8
sha1
f6958a5113de0e87401358b60e92b29954e3cada
sha256
5b3a8ed7db2656a59072d450410e0fe8dff7f8e5c53c8654b672f803df9e7a27
sha512
45b67c70ba00010ea2b64a52195c051ef3eb50d3bb3407984d0df738ef1f327cc3962d16b82942be9f01344ec620eaa93331c28c86bf93ff4927f95a5df4ba16
ripemd-160
b2fd098b4593eb41732719367e7f49135b62d1fb
Diameter
162689966
Circumference
511105601.99837
Area
2.0787938252881E+16
Volume
2.2546593117142E+24
Surface area
8.3151753011525E+16
Circumference
511105601.99837
Perimeter
325379932
Area
6617006259270289
Diagonal
115039178.18961
Surface area
39702037555621734
Volume
5.3826026167124E+23
Space diagonal
140893643.49683
Perimeter
244034949
Area
2.8652477587644E+15
Altitude
70446821.748413
Surface area
2.8652477587644E+15
Volume
6.3434580178496E+22
Height
38346392.72987