81014749 is an odd 8-digits composite number following 81014748
and preceding 81014750 . In scientific notation, it is written as 8.1014749 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 77915520 positive integers (up to 81014749) that are relatively prime to 81014749.
81014749 has 8 divisors, whose sum is 84146432
The reverse of 81014749 is 94741018
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million fourteen thousand seven hundred forty-nine
Scientific notation
8.1014749 × 10^7
Engineering notation
8.1014749 × 10^6
Prime Factorization
31 × 163 × 16033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81014749
Product of the distinct prime numbers
The prime factorization of 81014749 is 31 × 163 × 16033.
Since it has a total of 3 prime factors.
9 , 8 , 4 , 71 , 525 , 793 , 2784 , 6049 , 28812 , 67389 , 654044 , 987227 , 9148805 , 2144023 , 56020196 , 26818056 , 163624395 , 737964046 , 2159579354 , 3040722677
n×2
162029498
n×3
243044247
n×4
324058996
n×5
405073745
n÷2
40507374.5
n÷3
27004916.333333
n÷3
20253687.25
n÷5
16202949.8
n2
6563389555533001
n3
5.3173135743073E+23
n4
4.307808245768E+31
n5
3.4899600377102E+39
2 √n
9000.8193515924
3 √n
432.7011309045
4 √n
94.872648068832
5 √n
38.169178962168
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
-81014748
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 81014749 can be divided by 8 positive divisors.
The sum of these divisors (counting 81014749) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000010111111011101
3
Ternary
12122102222100021
4
Quaternary
10311002333131
5
Quinary
131214432444
6
Senary
12012232141
8
Octal
465027735
10
Decimal
81014749
12
Duodecimal
2316b651
16
Hexadecimal
4d42fdd
20
Vigesimal
1566gh9
36
Base36
1c8fdp
md5
2eaa12562a0023617e0f58eb729d741f
sha1
98271e71765cf48c8e8371dd6a255c97aee868d8
sha256
048641695934a6491b2e6aca0da5221dba323ce79362279649674985ea737277
sha512
a667ca4d30cad06d617924a6841ffd95eaa9ec2db1e81aba50b6b027e6658dc54b04f1d429c12451196214d94fe0e2918ace5c1d01cf86cf339970cc96f0328d
ripemd-160
a3a3c3f8e10e49779c2613101798fd3556850857
Diameter
162029498
Circumference
509030680.58164
Area
2.061949641031E+16
Volume
2.2273111015836E+24
Surface area
8.2477985641242E+16
Circumference
509030680.58164
Perimeter
324058996
Area
6563389555533001
Diagonal
114572156.78805
Surface area
39380337333198006
Volume
5.3173135743073E+23
Space diagonal
140321661.43044
Perimeter
243044247
Area
2.8420310450125E+15
Altitude
70160830.71522
Surface area
2.8420310450125E+15
Volume
6.2665141434799E+22
Height
38190718.929351