81470405 is an odd 8-digits composite number following 81470404
and preceding 81470406 . In scientific notation, it is written as 8.1470405 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 65176320 positive integers (up to 81470405) that are relatively prime to 81470405.
81470405 has 4 divisors, whose sum is 97764492
The reverse of 81470405 is 50407418
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million four hundred seventy thousand four hundred five
Scientific notation
8.1470405 × 10^7
Engineering notation
8.1470405 × 10^6
Prime Factorization
5 × 16294081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81470405
Product of the distinct prime numbers
The prime factorization of 81470405 is 5 × 16294081.
Since it has a total of 2 prime factors.
3 , 6 , 1 , 91 , 906 , 773 , 5856 , 4410 , 14649 , 96794 , 267120 , 160485 , 5069479 , 6269631 , 89921431 , 41654169 , 945158328 , 327746652 , 1968372490 , 5510951073
n×2
162940810
n×3
244411215
n×4
325881620
n×5
407352025
n÷2
40735202.5
n÷3
27156801.666667
n÷3
20367601.25
n÷5
16294081
n2
6637426890864025
n3
5.4075385695658E+23
n4
4.4055435731565E+31
n5
3.5892141915021E+39
2 √n
9026.0957783529
3 √n
433.51083687938
4 √n
95.00576707944
5 √n
38.21201812312
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
-81470404
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 81470405 can be divided by 4 positive divisors.
The sum of these divisors (counting 81470405) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110010001111000101
3
Ternary
12200022010101102
4
Quaternary
10312302033011
5
Quinary
131324023110
6
Senary
12030105445
8
Octal
466621705
10
Decimal
81470405
12
Duodecimal
2334b285
16
Hexadecimal
4db23c5
20
Vigesimal
1593g05
36
Base36
1ci6yt
md5
6b3de60390fe21d57b43a53eded47c12
sha1
c769132a2fb5094a2f8f6bcbc998b0dbf39c33fb
sha256
82977d88af86c33e481d8953605494d76844feefa0da4f4ed1d8e7e1e75eedd7
sha512
3dd0ee8c2d201303577fdb7dc35260e04081a0cc7da20eabb533dfaf13a302282c2054734a79a02a04f01637fb7a203c79ae387a996429c7f11c0a714d8afe53
ripemd-160
8360c1b222a606aa4cfc6884c9d70a168484d91b
Diameter
162940810
Circumference
511893651.66597
Area
2.0852091559078E+16
Volume
2.2651044592202E+24
Surface area
8.3408366236311E+16
Circumference
511893651.66597
Perimeter
325881620
Area
6637426890864025
Diagonal
115216551.68303
Surface area
39824561345184150
Volume
5.4075385695658E+23
Space diagonal
141110880.77321
Perimeter
244411215
Area
2.8740901516251E+15
Altitude
70555440.386607
Surface area
2.8740901516251E+15
Volume
6.372845320113E+22
Height
38405517.227676