81444610 is an even 8-digits composite number following 81444609
and preceding 81444611 . In scientific notation, it is written as 8.1444610 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 28763328 positive integers (up to 81444610) that are relatively prime to 81444610.
81444610 has 32 divisors, whose sum is 164747520
The reverse of 81444610 is 01644418
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million four hundred forty-four thousand six hundred ten
Scientific notation
8.1444610 × 10^7
Engineering notation
8.1444610 × 10^6
Prime Factorization
2 × 5 × 13 × 23 × 27239
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81444610
Product of the distinct prime numbers
The prime factorization of 81444610 is 2 × 5 × 13 × 23 × 27239.
Since it has a total of 5 prime factors.
9 , 8 , 10 , 48 , 207 , 296 , 3506 , 1487 , 20530 , 30857 , 307029 , 174560 , 6368867 , 984917 , 97320768 , 54107685 , 753130908 , 46040140 , 7801715593 , 310043874
n×2
162889220
n×3
244333830
n×4
325778440
n×5
407223050
n÷2
40722305
n÷3
27148203.333333
n÷3
20361152.5
n÷5
16288922
n2
6633224498052100
n3
5.402403822863E+23
n4
4.3999667241559E+31
n5
3.5835357386185E+39
2 √n
9024.6667528502
3 √n
433.46507959926
4 √n
94.998246051441
5 √n
38.20959809375
1 , 2 , 5 , 10 , 13 , 23 , 26 , 46 , 65 , 115 , 130 , 230 , 299 , 598 , 1495 , 2990 , 27239 , 54478 , 136195 , 272390 , 354107 , 626497 , 708214 , 1252994 , 1770535 , 3132485 , 3541070 , 6264970 , 8144461 , 16288922 , 40722305 , 81444610
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81444609
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81444610 can be divided by 32 positive divisors.
The sum of these divisors (counting 81444610) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110101011111100000010
3
Ternary
12200020211000001
4
Quaternary
10312223330002
5
Quinary
131322211420
6
Senary
12025350214
8
Octal
466537402
10
Decimal
81444610
12
Duodecimal
2333836a
16
Hexadecimal
4dabf02
20
Vigesimal
1590baa
36
Base36
1chn2a
md5
4025b82b84fe86b13d9129ddec5979a4
sha1
822cbc8d16540701ac53112173ef54c9ebedef94
sha256
7f499e141bea0b0348d659ea29e80f313859225438755b4c8161ee437dc61b12
sha512
065c86a454f82ef182c058433c1bf3f7a216b90eaa66eebfb30d17550ddb204a806448b42ec743f82686e8f7bad13afa4036b1b9ca752058a4f63eb9872b36d2
ripemd-160
23ba561fc425eb1d0d1431d0ec94bb0f1099913e
Diameter
162889220
Circumference
511731576.90097
Area
2.0838889352692E+16
Volume
2.2629536215509E+24
Surface area
8.3355557410769E+16
Circumference
511731576.90097
Perimeter
325778440
Area
6633224498052100
Diagonal
115180072.04419
Surface area
39799346988312600
Volume
5.402403822863E+23
Space diagonal
141066202.52263
Perimeter
244333830
Area
2.8722704621592E+15
Altitude
70533101.261316
Surface area
2.8722704621592E+15
Volume
6.3667939630909E+22
Height
38393357.348062