81442017 is an odd 8-digits composite number following 81442016
and preceding 81442018 . In scientific notation, it is written as 8.1442017 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 54294624 positive integers (up to 81442017) that are relatively prime to 81442017.
81442017 has 6 divisors, whose sum is 91496678
The reverse of 81442017 is 71024418
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million four hundred forty-two thousand seventeen
Scientific notation
8.1442017 × 10^7
Engineering notation
8.1442017 × 10^6
Prime Factorization
9 × 9 × 1005457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9049113
Product of the distinct prime numbers
The prime factorization of 81442017 is 9 × 9 × 1005457.
Since it has a total of 3 prime factors.
9 , 8 , 82 , 3 , 797 , 908 , 5237 , 5016 , 6196 , 70536 , 389262 , 331918 , 6100136 , 8916698 , 39478885 , 70243603 , 705876949 , 919209669 , 7401024737 , 7086199115
n×2
162884034
n×3
244326051
n×4
325768068
n×5
407210085
n÷2
40721008.5
n÷3
27147339
n÷3
20360504.25
n÷5
16288403.4
n2
6632802133028289
n3
5.4018878407573E+23
n4
4.3994064135905E+31
n5
3.5829653192554E+39
2 √n
9024.5230898923
3 √n
433.46047938946
4 √n
94.997489913641
5 √n
38.209354790357
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81442016
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81442017 can be divided by 6 positive divisors.
The sum of these divisors (counting 81442017) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110110101011010011100001
3
Ternary
12200020200110000
4
Quaternary
10312223103201
5
Quinary
131322121032
6
Senary
12025330213
8
Octal
466532341
10
Decimal
81442017
12
Duodecimal
23336969
16
Hexadecimal
4dab4e1
20
Vigesimal
159050h
36
Base36
1chl29
md5
dd49601221d833e1a4977ec92958baed
sha1
41ed98d4ec7d3e0d027e324d21fe7f0288db387c
sha256
307f6c544a6b4b5f2a838e5b91f6483ad8f3c4e0afb79768b978161606e8a116
sha512
c40a946cd4a30ad70097e2c9845381b48d43af6a8d8014a0b59fefdb0827a14e223d1a7cd1fbb169fd8997f26eb785417d40c11148067806d3f4746b894f5851
ripemd-160
2c658965c7c6483354b40b5b28147dabf3f28328
Diameter
162884034
Circumference
511715284.60147
Area
2.0837562453836E+16
Volume
2.2627374874719E+24
Surface area
8.3350249815346E+16
Circumference
511715284.60147
Perimeter
325768068
Area
6632802133028289
Diagonal
115176404.98842
Surface area
39796812798169734
Volume
5.4018878407573E+23
Space diagonal
141061711.31489
Perimeter
244326051
Area
2.8720875727391E+15
Altitude
70530855.657444
Surface area
2.8720875727391E+15
Volume
6.3661858723477E+22
Height
38392134.99614