81444383 is an odd 8-digits composite number following 81444382
and preceding 81444384 . In scientific notation, it is written as 8.1444383 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 78635928 positive integers (up to 81444383) that are relatively prime to 81444383.
81444383 has 4 divisors, whose sum is 84252840
The reverse of 81444383 is 38344418
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred forty-four thousand three hundred eighty-three
Scientific notation
8.1444383 × 10^7
Engineering notation
8.1444383 × 10^6
Prime Factorization
29 × 2808427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81444383
Product of the distinct prime numbers
The prime factorization of 81444383 is 29 × 2808427.
Since it has a total of 2 prime factors.
8 , 5 , 45 , 40 , 380 , 446 , 7530 , 1602 , 91506 , 64790 , 312263 , 336767 , 5679912 , 2645424 , 20933990 , 60647329 , 367183229 , 136262100 , 9834797952 , 9451554863
n×2
162888766
n×3
244333149
n×4
325777532
n×5
407221915
n÷2
40722191.5
n÷3
27148127.666667
n÷3
20361095.75
n÷5
16288876.6
n2
6633187522250689
n3
5.4023586507301E+23
n4
4.3999176705342E+31
n5
3.5834857992746E+39
2 √n
9024.6541761998
3 √n
433.46467688522
4 √n
94.998179857299
5 √n
38.209576794394
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
-81444382
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 81444383 can be divided by 4 positive divisors.
The sum of these divisors (counting 81444383) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110101011111000011111
3
Ternary
12200020210200122
4
Quaternary
10312223320133
5
Quinary
131322210013
6
Senary
12025345155
8
Octal
466537037
10
Decimal
81444383
12
Duodecimal
233381bb
16
Hexadecimal
4dabe1f
20
Vigesimal
1590aj3
36
Base36
1chmvz
md5
c8b0710b94832bcc1591c9f61f7fbf2b
sha1
62ded9c209071c35a5da11e7e2f3c55946b0a679
sha256
aba3de5ffbd3336d115414b3005b0bb3a34045c245c4f271ab384ef1f9609e2e
sha512
238ae6d930b4ce1c7a021a729151c3da75c2d7c75af5c834c8b07d05f76b94550528f044633a2fd383f9f5ee7e214dc43bdf770ec344d74bea87fc6c324ee6f3
ripemd-160
9f6a58634b7cc6a1edb6d5587f3493471f100b5f
Diameter
162888766
Circumference
511730150.61791
Area
2.0838773189786E+16
Volume
2.2629346998921E+24
Surface area
8.3355092759145E+16
Circumference
511730150.61791
Perimeter
325777532
Area
6633187522250689
Diagonal
115179751.01771
Surface area
39799125133504134
Volume
5.4023586507301E+23
Space diagonal
141065809.3471
Perimeter
244333149
Area
2.8722544511675E+15
Altitude
70532904.673549
Surface area
2.8722544511675E+15
Volume
6.3667407272217E+22
Height
38393250.339236