81750406 is an even 8-digits composite number following 81750405
and preceding 81750407 . In scientific notation, it is written as 8.1750406 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 40856928 positive integers (up to 81750406) that are relatively prime to 81750406.
81750406 has 8 divisors, whose sum is 122680440
The reverse of 81750406 is 60405718
Previous prime number is 2609
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million seven hundred fifty thousand four hundred six
Scientific notation
8.1750406 × 10^7
Engineering notation
8.1750406 × 10^6
Prime Factorization
2 × 2609 × 15667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81750406
Product of the distinct prime numbers
The prime factorization of 81750406 is 2 × 2609 × 15667.
Since it has a total of 3 prime factors.
4 , 10 , 51 , 53 , 957 , 48 , 9939 , 6482 , 54660 , 90617 , 733352 , 392335 , 5647753 , 8277002 , 36039263 , 49492265 , 764292238 , 187694319 , 8422924505 , 7366067394
n×2
163500812
n×3
245251218
n×4
327001624
n×5
408752030
n÷2
40875203
n÷3
27250135.333333
n÷3
20437601.5
n÷5
16350081.2
n2
6683128881164836
n3
5.4634849938555E+23
n4
4.466421164226E+31
n5
3.6513174354246E+39
2 √n
9041.593111836
3 √n
434.00690525373
4 √n
95.087292062799
5 √n
38.23824783114
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
-81750405
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 81750406 can be divided by 8 positive divisors.
The sum of these divisors (counting 81750406) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111110110100110000110
3
Ternary
12200211100110211
4
Quaternary
10313312212012
5
Quinary
131412003111
6
Senary
12040110034
8
Octal
467664606
10
Decimal
81750406
12
Duodecimal
2346531a
16
Hexadecimal
4df6986
20
Vigesimal
15aig06
36
Base36
1co70m
md5
4c5602de550872de24c215d76e8ccd91
sha1
7d12234b06e47c75844514a234edae4c3db6a716
sha256
ae48d602fb167ab14dd2dc7441129a9b19b1663d606fe6cd83a39b4bfba7e5f4
sha512
63839d669053a5980d1075a7ab1c8257b5414580bc814b2198532c8c276270701f44b8aec070e0eecffb2e3f31dd4d8b3bf9cc3ec7df69d46a3fb049dc5c842f
ripemd-160
c6d31d291c82341c78fbda7b6d203f8fad578c81
Diameter
163500812
Circumference
513652949.83517
Area
2.0995668596061E+16
Volume
2.2885392426259E+24
Surface area
8.3982674384245E+16
Circumference
513652949.83517
Perimeter
327001624
Area
6683128881164836
Diagonal
115612532.89471
Surface area
40098773286989016
Volume
5.4634849938555E+23
Space diagonal
141595856.73138
Perimeter
245251218
Area
2.8938796939271E+15
Altitude
70797928.365692
Surface area
2.8938796939271E+15
Volume
6.4387788134436E+22
Height
38537510.964902