81443313 is an odd 8-digits composite number following 81443312
and preceding 81443314 . In scientific notation, it is written as 8.1443313 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 46267200 positive integers (up to 81443313) that are relatively prime to 81443313.
81443313 has 24 divisors, whose sum is 120207360
The reverse of 81443313 is 31334418
Previous prime number is 239
Is Prime? no Number parity odd Number length 8 Sum of Digits 27 Digital Root 9
Name
eighty-one million four hundred forty-three thousand three hundred thirteen
Scientific notation
8.1443313 × 10^7
Engineering notation
8.1443313 × 10^6
Prime Factorization
3 × 3 × 63 × 239 × 601
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
27147771 Product of the distinct prime numbers
The prime factorization of 81443313 is 3 × 3 × 63 × 239 × 601.
Since it has a total of 5 prime factors.
9 , 6 , 31 , 54 , 137 , 683 , 2623 , 6661 , 18783 , 12641 , 263641 , 417749 , 8437003 , 3219272 , 82813643 , 87097456 , 497603391 , 737741437 , 2600071407 , 848079432
n×2
162886626
n×3
244329939
n×4
325773252
n×5
407216565
n÷2
40721656.5
n÷3
27147771
n÷3
20360828.25
n÷5
16288662.6
n2
6633013232415969
n3
5.402145728208E+23
n4
4.3996864541405E+31
n5
3.5832504098643E+39
2 √n9024.5948939551
3 √n433.46277861952
4 √n94.997867838995
5 √n38.209476395913
1 , 3 , 9 , 63 , 189 , 239 , 567 , 601 , 717 , 1803 , 2151 , 5409 , 15057 , 37863 , 45171 , 113589 , 135513 , 143639 , 340767 , 430917 , 1292751 , 9049257 , 27147771 , 81443313
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81443312 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81443313 can be divided by 24 positive divisors.
The sum of these divisors (counting 81443313) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110101011100111110001
3
Ternary
12200020202020000
4
Quaternary
10312223213301
5
Quinary
131322141223
6
Senary
12025340213
8
Octal
466534761
10
Decimal
81443313
12
Duodecimal
23337669
16
Hexadecimal
4dab9f1
20
Vigesimal
159085d
36
Base36
1chm29
md5
71a6cd604f7f15791c400654483e2efd
sha1
04659c0afad47b2f52a0f51c77592176b839d784
sha256
76b40101a8d433c3c4c5628788479971fe1b64962bcbbb6b5fe1d581cdcd5e74
sha512
82acc431423d2c13f562bec4fff3e0bda3cd64c9a369993bf908ef528479239eb095dc1e520afc2beab3bf09a8db1646509ccbef6b353e371b2d29839dde1f26
ripemd-160
9627e6a1ccddd181b919477f875bc75e9c62d257
Diameter
162886626
Circumference
511723427.60963
Area
2.0838225642122E+16
Volume
2.2628455111146E+24
Surface area
8.3352902568488E+16
Circumference
511723427.60963
Perimeter
325773252
Area
6633013232415969
Diagonal
115178237.8092
Surface area
39798079394495814
Volume
5.402145728208E+23
Space diagonal
141063956.05273
Perimeter
244329939
Area
2.8721789814553E+15
Altitude
70531978.026367
Surface area
2.8721789814553E+15
Volume
6.366489795623E+22
Height
38392745.936399