81094549 is an odd 8-digits composite number following 81094548
and preceding 81094550 . In scientific notation, it is written as 8.1094549 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 81044236 positive integers (up to 81094549) that are relatively prime to 81094549.
81094549 has 4 divisors, whose sum is 81144864
The reverse of 81094549 is 94549018
Previous prime number is 1667
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million ninety-four thousand five hundred forty-nine
Scientific notation
8.1094549 × 10^7
Engineering notation
8.1094549 × 10^6
Prime Factorization
1667 × 48647
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81094549
Product of the distinct prime numbers
The prime factorization of 81094549 is 1667 × 48647.
Since it has a total of 2 prime factors.
3 , 4 , 71 , 64 , 883 , 696 , 1478 , 9835 , 39292 , 70532 , 211238 , 794061 , 9952043 , 636734 , 49644020 , 90065017 , 86494777 , 231983724 , 6606361531 , 220415269
n×2
162189098
n×3
243283647
n×4
324378196
n×5
405472745
n÷2
40547274.5
n÷3
27031516.333333
n÷3
20273637.25
n÷5
16218909.8
n2
6576325877513401
n3
5.3330418111398E+23
n4
4.3248062047252E+31
n5
3.507182086846E+39
2 √n
9005.2511902778
3 √n
432.84315532846
4 √n
94.896001972042
5 √n
38.176695374021
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
-81094548
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 81094549 can be divided by 4 positive divisors.
The sum of these divisors (counting 81094549) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101010110011110010101
3
Ternary
12122121000210211
4
Quaternary
10311112132111
5
Quinary
131230011144
6
Senary
12014045421
8
Octal
465263625
10
Decimal
81094549
12
Duodecimal
231a9871
16
Hexadecimal
4d56795
20
Vigesimal
156gg79
36
Base36
1ca4yd
md5
7b991ea9d27e23ef66ef7a3089ca52e3
sha1
c4288e091c6b0da2be487a28483883c46c87bc78
sha256
d846190279e6c5ab5ae23f06112e026bf8eb443517ac030df0b18b4af0e7f6a3
sha512
5b134cb0ed29435ce241637f02e0313053fcbfa2defd426a65de9650eeb1650157c9aa1827acc41d7ae37127e5ae97dab40e376d8341ac12165abe473ebfa89a
ripemd-160
6bad6088e5a7fdc39b6a7024fac266e25ea71b32
Diameter
162189098
Circumference
509532078.76916
Area
2.0660137064409E+16
Volume
2.2338993300219E+24
Surface area
8.2640548257634E+16
Circumference
509532078.76916
Perimeter
324378196
Area
6576325877513401
Diagonal
114685011.03033
Surface area
39457955265080406
Volume
5.3330418111398E+23
Space diagonal
140459879.08488
Perimeter
243283647
Area
2.8476326367458E+15
Altitude
70229939.542442
Surface area
2.8476326367458E+15
Volume
6.2850500483472E+22
Height
38228337.01011