81470405 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy thousand four hundred five

Notation

Scientific notation 8.1470405 × 10^7
Engineering notation 8.1470405 × 10^6

Prime Factorization of 81470405

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.

Most popular turbo-numbers

Basic calculations (n = 81470405)

Multiplication

n×y
n×2 162940810
n×3 244411215
n×4 325881620
n×5 407352025

Division

n÷y
n÷2 40735202.5
n÷3 27156801.666667
n÷3 20367601.25
n÷5 16294081

Exponentiation

ny
n2 6637426890864025
n3 5.4075385695658E+23
n4 4.4055435731565E+31
n5 3.5892141915021E+39

Nth Root

y√n
2√n 9026.0957783529
3√n 433.51083687938
4√n 95.00576707944
5√n 38.21201812312

Divisors of 81470405

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 conversion 81470405

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

Cryptographic Hash Functions

md5 6b3de60390fe21d57b43a53eded47c12
sha1 c769132a2fb5094a2f8f6bcbc998b0dbf39c33fb
sha256 82977d88af86c33e481d8953605494d76844feefa0da4f4ed1d8e7e1e75eedd7
sha512 3dd0ee8c2d201303577fdb7dc35260e04081a0cc7da20eabb533dfaf13a302282c2054734a79a02a04f01637fb7a203c79ae387a996429c7f11c0a714d8afe53
ripemd-160 8360c1b222a606aa4cfc6884c9d70a168484d91b

81470405 as geometric shapes

Circle

Radius = n
Diameter 162940810
Circumference 511893651.66597
Area 2.0852091559078E+16

Sphere

Radius = n
Volume 2.2651044592202E+24
Surface area 8.3408366236311E+16
Circumference 511893651.66597

Square

Length = n
Perimeter 325881620
Area 6637426890864025
Diagonal 115216551.68303

Cube

Length = n
Surface area 39824561345184150
Volume 5.4075385695658E+23
Space diagonal 141110880.77321

Equilateral Triangle

Length = n
Perimeter 244411215
Area 2.8740901516251E+15
Altitude 70555440.386607

Triangular Pyramid

Length = n
Surface area 2.8740901516251E+15
Volume 6.372845320113E+22
Height 38405517.227676