81444234 is an even 8-digits composite number following 81444233
and preceding 81444235 . In scientific notation, it is written as 8.1444234 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 27148076 positive integers (up to 81444234) that are relatively prime to 81444234.
81444234 has 8 divisors, whose sum is 162888480
The reverse of 81444234 is 43244418
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred forty-four thousand two hundred thirty-four
Scientific notation
8.1444234 × 10^7
Engineering notation
8.1444234 × 10^6
Prime Factorization
2 × 3 × 13574039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81444234
Product of the distinct prime numbers
The prime factorization of 81444234 is 2 × 3 × 13574039.
Since it has a total of 3 prime factors.
4 , 10 , 26 , 69 , 830 , 786 , 358 , 3930 , 51057 , 10256 , 455247 , 523174 , 1438975 , 6398598 , 53694572 , 76099354 , 593938293 , 96237746 , 3799192055 , 4180603605
n×2
162888468
n×3
244332702
n×4
325776936
n×5
407221170
n÷2
40722117
n÷3
27148078
n÷3
20361058.5
n÷5
16288846.8
n2
6633163251846756
n3
5.4023290004361E+23
n4
4.399885472565E+31
n5
3.5834530200079E+39
2 √n
9024.645921032
3 √n
433.46441254828
4 √n
94.998136408206
5 √n
38.209562813735
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81444233
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81444234 can be divided by 8 positive divisors.
The sum of these divisors (counting 81444234) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101011110110001010
3
Ternary
12200020210111010
4
Quaternary
10312223312022
5
Quinary
131322203414
6
Senary
12025344350
8
Octal
466536612
10
Decimal
81444234
12
Duodecimal
233380b6
16
Hexadecimal
4dabd8a
20
Vigesimal
1590abe
36
Base36
1chmru
md5
0a70f307e7a7b1031c7ca9e39e41f2fc
sha1
2b215e90b11b37369d2cb4e4699b5c8cbbbf8834
sha256
c9a308a00d7ac25e3b1cf63741d86f8d6993df736b672506120d45cd4c27be12
sha512
424e7506a8fc1d8a4c42bc5b8c5c6e94ec89dfc623c2dd47e9118c88e4109854044996db2514662fb01992db1f7eea4ff0f29f606477e69b950041732f224ef7
ripemd-160
c2d1e0c236c9f545369881732f645eab1816d90c
Diameter
162888468
Circumference
511729214.4233
Area
2.0838696942064E+16
Volume
2.262922280006E+24
Surface area
8.3354787768254E+16
Circumference
511729214.4233
Perimeter
325776936
Area
6633163251846756
Diagonal
115179540.29989
Surface area
39798979511080536
Volume
5.4023290004361E+23
Space diagonal
141065551.27153
Perimeter
244332702
Area
2.8722439417743E+15
Altitude
70532775.635764
Surface area
2.8722439417743E+15
Volume
6.3667057840152E+22
Height
38393180.099963