81406075 is an odd 8-digits composite number following 81406074
and preceding 81406076 . In scientific notation, it is written as 8.1406075 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 64391360 positive integers (up to 81406075) that are relatively prime to 81406075.
81406075 has 4 divisors, whose sum is 81444888
The reverse of 81406075 is 57060418
Previous prime number is 2225
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred six thousand seventy-five
Scientific notation
8.1406075 × 10^7
Engineering notation
8.1406075 × 10^6
Prime Factorization
2225 × 36587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81406075
Product of the distinct prime numbers
The prime factorization of 81406075 is 2225 × 36587.
Since it has a total of 2 prime factors.
6 , 6 , 2 , 92 , 376 , 633 , 6733 , 8367 , 95109 , 67458 , 945483 , 262004 , 1082576 , 3732017 , 13514685 , 14491415 , 816611178 , 329787116 , 6414809476 , 5515817040
n×2
162812150
n×3
244218225
n×4
325624300
n×5
407030375
n÷2
40703037.5
n÷3
27135358.333333
n÷3
20351518.75
n÷5
16281215
n2
6626949046905625
n3
5.3947391113358E+23
n4
4.3916453670283E+31
n5
3.5750661212171E+39
2 √n
9022.5315183711
3 √n
433.39670506459
4 √n
94.987007102925
5 √n
38.205981683515
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81406074
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81406075 can be divided by 4 positive divisors.
The sum of these divisors (counting 81406075) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110100010100001111011
3
Ternary
12200011212010211
4
Quaternary
10312202201323
5
Quinary
131314443300
6
Senary
12024451551
8
Octal
466424173
10
Decimal
81406075
12
Duodecimal
23319bb7
16
Hexadecimal
4da287b
20
Vigesimal
158ff3f
36
Base36
1cgtbv
md5
26224f917e571523ddd7286cfe768c83
sha1
0152fda4074c57c699272f92cf998d21c06a4c10
sha256
1c5a512846d3d2a8b2749f3a966ed7a37c51d3537f529555042c5017b46598c0
sha512
a6c63095d54f087f618e87fb168fa8ad2c710ead0de741296475ca5404865f14c52ed9c1cce13a118dcb4ff97c5d6ab8b296598039efceb849fa191189c9d06c
ripemd-160
2208cec5434c7bd8c8a7260e2e698b23b9b48e81
Diameter
162812150
Circumference
511489454.35516
Area
2.0819174441473E+16
Volume
2.2597430346941E+24
Surface area
8.327669776589E+16
Circumference
511489454.35516
Perimeter
325624300
Area
6626949046905625
Diagonal
115125575.32456
Surface area
39761694281433750
Volume
5.3947391113358E+23
Space diagonal
140999457.94476
Perimeter
244218225
Area
2.8695531121027E+15
Altitude
70499728.972381
Surface area
2.8695531121027E+15
Volume
6.3577610139297E+22
Height
38375191.774854