81444614 is an even 8-digits composite number following 81444613
and preceding 81444615 . In scientific notation, it is written as 8.1444614 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 39648000 positive integers (up to 81444614) that are relatively prime to 81444614.
81444614 has 16 divisors, whose sum is 125402256
The reverse of 81444614 is 41644418
Previous prime number is 827
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million four hundred forty-four thousand six hundred fourteen
Scientific notation
8.1444614 × 10^7
Engineering notation
8.1444614 × 10^6
Prime Factorization
2 × 41 × 827 × 1201
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81444614
Product of the distinct prime numbers
The prime factorization of 81444614 is 2 × 41 × 827 × 1201.
Since it has a total of 4 prime factors.
6 , 7 , 83 , 88 , 509 , 754 , 4393 , 4629 , 48090 , 56765 , 786283 , 797322 , 153721 , 4088036 , 15142542 , 73856698 , 487749910 , 181711017 , 257873641 , 9683253579
n×2
162889228
n×3
244333842
n×4
325778456
n×5
407223070
n÷2
40722307
n÷3
27148204.666667
n÷3
20361153.5
n÷5
16288922.8
n2
6633225149608996
n3
5.40240461885E+23
n4
4.3999675885405E+31
n5
3.5835366186119E+39
2 √n
9024.666974465
3 √n
433.46508669554
4 √n
94.998247217857
5 √n
38.209598469068
1 , 2 , 41 , 82 , 827 , 1201 , 1654 , 2402 , 33907 , 49241 , 67814 , 98482 , 993227 , 1986454 , 40722307 , 81444614
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81444613
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81444614 can be divided by 16 positive divisors.
The sum of these divisors (counting 81444614) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110101011111100000110
3
Ternary
12200020211000012
4
Quaternary
10312223330012
5
Quinary
131322211424
6
Senary
12025350222
8
Octal
466537406
10
Decimal
81444614
12
Duodecimal
23338372
16
Hexadecimal
4dabf06
20
Vigesimal
1590bae
36
Base36
1chn2e
md5
a8740c96c8ccfc74e0d60d41a736494b
sha1
9db32f7d9d5ff9186ad69c1065efd1ef53219e28
sha256
9eb8b6cc8f3ac60e4ed656f18fa0637cc0a8fe6c5716eba1285b3ded0f2486d0
sha512
5db684c344c9bbb78ad426e6c08dca6bcb024923f26adb1a911d2d7acf9be520d586a3d6dc252d1f895c4488220bdcaa71c83bc235a3c1ab17bf92702ebe2beb
ripemd-160
53b7bb4f548fd8b8ebf6c4dcec190277eaf1a0a4
Diameter
162889228
Circumference
511731602.03371
Area
2.0838891399619E+16
Volume
2.2629539549732E+24
Surface area
8.3355565598475E+16
Circumference
511731602.03371
Perimeter
325778456
Area
6633225149608996
Diagonal
115180077.70104
Surface area
39799350897653976
Volume
5.40240461885E+23
Space diagonal
141066209.45084
Perimeter
244333842
Area
2.8722707442916E+15
Altitude
70533104.725418
Surface area
2.8722707442916E+15
Volume
6.3667949011706E+22
Height
38393359.233681