81466910 is an even 8-digits composite number following 81466909
and preceding 81466911 . In scientific notation, it is written as 8.1466910 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 27931344 positive integers (up to 81466910) that are relatively prime to 81466910.
81466910 has 16 divisors, whose sum is 143648640
The reverse of 81466910 is 01966418
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred sixty-six thousand nine hundred ten
Scientific notation
8.1466910 × 10^7
Engineering notation
8.1466910 × 10^6
Prime Factorization
2 × 7 × 35 × 166259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81466910
Product of the distinct prime numbers
The prime factorization of 81466910 is 2 × 7 × 35 × 166259.
Since it has a total of 4 prime factors.
10 , 1 , 4 , 48 , 879 , 551 , 9023 , 1037 , 58299 , 61606 , 344543 , 952787 , 6827371 , 6500380 , 97675701 , 81737610 , 390036690 , 145262955 , 368119700 , 9116632883
n×2
162933820
n×3
244400730
n×4
325867640
n×5
407334550
n÷2
40733455
n÷3
27155636.666667
n÷3
20366727.5
n÷5
16293382
n2
6636857424948100
n3
5.4068426652108E+23
n4
4.4047876479089E+31
n5
3.588444388813E+39
2 √n
9025.9021709744
3 √n
433.50463772833
4 √n
95.004748149629
5 √n
38.211690265919
1 , 2 , 7 , 14 , 35 , 70 , 245 , 490 , 166259 , 332518 , 1163813 , 2327626 , 5819065 , 11638130 , 40733455 , 81466910
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
-81466909
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 81466910 can be divided by 16 positive divisors.
The sum of these divisors (counting 81466910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110110001011000011110
3
Ternary
12200021221120222
4
Quaternary
10312301120132
5
Quinary
131323420120
6
Senary
12030041342
8
Octal
466613036
10
Decimal
81466910
12
Duodecimal
23349252
16
Hexadecimal
4db161e
20
Vigesimal
159375a
36
Base36
1ci49q
md5
bdbf92424d4988102e45932ea48284d0
sha1
ffa0eebf67599a225231f42a8c64c5fed52d9e43
sha256
b1c022ca5bfb4dcfb1ac6e737c26d848d3b6fe0466bfba3c967cace76d1188d8
sha512
54ec7e5bef1550c1860ade4688572f1164155440601215574dfb261d133336ed0c26aee26e95b5a46b2de102083b0c1d056cbe65110fa9114ca20ba31a8dcedb
ripemd-160
38a06a1339f54110b83af5ffffdc42b0d3b27f27
Diameter
162933820
Circumference
511871691.93332
Area
2.085030252914E+16
Volume
2.2648129594856E+24
Surface area
8.3401210116559E+16
Circumference
511871691.93332
Perimeter
325867640
Area
6636857424948100
Diagonal
115211609.00663
Surface area
39821144549688600
Volume
5.4068426652108E+23
Space diagonal
141104827.25564
Perimeter
244400730
Area
2.8738435656502E+15
Altitude
70552413.627821
Surface area
2.8738435656502E+15
Volume
6.3720251889655E+22
Height
38403869.668876