81470 is an even 5-digits composite number following 81469
and preceding 81471 . In scientific notation, it is written as 8.1470 × 10^4.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 32584 positive integers (up to 81470) that are relatively prime to 81470.
81470 has 8 divisors, whose sum is 146664
The reverse of 81470 is 07418
Previous prime number is 5
Is Prime? no
Number parity even
Number length 5
Sum of Digits 20
Digital Root 2
Name
eighty-one thousand four hundred seventy
Scientific notation
8.1470 × 10^4
Engineering notation
8.1470 × 10^3
Prime Factorization
2 × 5 × 8147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81470
Product of the distinct prime numbers
The prime factorization of 81470 is 2 × 5 × 8147.
Since it has a total of 3 prime factors.
2 , 1 , 96 , 98 , 267 , 202 , 3923 , 2645 , 60243 , 35902 , 929521 , 559210 , 1783794 , 1777261 , 55768784 , 93123414 , 606529817 , 184891795 , 2764590781 , 9351842980
n×2
162940
n×3
244410
n×4
325880
n×5
407350
n÷2
40735
n÷3
27156.666666667
n÷3
20367.5
n÷5
16294
n2
6637360900
n3
540745792523000
n4
4.4054559716849E+19
n5
3.5891249801317E+24
2 √n
285.42950092799
3 √n
43.351011853191
4 √n
16.894658946779
5 √n
9.5984154413832
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
-81469
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 81470 can be divided by 8 positive divisors.
The sum of these divisors (counting 81470) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011111000111110
3
Ternary
11010202102
4
Quaternary
103320332
5
Quinary
10101340
6
Senary
1425102
8
Octal
237076
10
Decimal
81470
12
Duodecimal
3b192
16
Hexadecimal
13e3e
20
Vigesimal
a3da
36
Base36
1qv2
md5
9517cb26244e36390b432a48d55591e1
sha1
62f901ee4998bca9b59f74b654e3b2e8ed219d7e
sha256
345a357bbe1c46fca1a790509517ec06f509010ab8fd7280dc238937651c5db2
sha512
1b3e23f0e588a8f7d6b02a1f0dc0a394ee09c23ae1c619744a9af56c850b44b60052d524b5ccb7395e077b49b59e4d4961c98cc7a5d3eaf157504043e8eb44cd
ripemd-160
a4c55f7638d9bd3ec488395bb97cb7a76cac3511
Diameter
162940
Circumference
511891.10697592
Area
20851884242.664
Volume
2.2650706789998E+15
Surface area
83407536970.657
Circumference
511891.10697592
Perimeter
325880
Area
6637360900
Diagonal
115215.97892654
Surface area
39824165400
Volume
540745792523000
Space diagonal
141110.17929264
Perimeter
244410
Area
2874061576.7428
Altitude
70555.089646318
Surface area
2874061576.7428
Volume
63727502798518
Height
38405.326308845