81004057 (number)

81004057 is an odd 8-digits composite number following 81004056 and preceding 81004058. In scientific notation, it is written as 8.1004057 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 80421156 positive integers (up to 81004057) that are relatively prime to 81004057.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand fifty-seven

Notation

Scientific notation 8.1004057 × 10^7
Engineering notation 8.1004057 × 10^6

Prime Factorization of 81004057

Prime Factorization 139 × 582763

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81004057
Product of the distinct prime numbers

The prime factorization of 81004057 is 139 × 582763. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 47, 25, 400, 189, 8747, 8777, 33969, 86388, 790391, 177199, 4231459, 8982180, 69211675, 37018790, 581669674, 263631027, 2584457974, 2135027598

Basic calculations (n = 81004057)

Multiplication

n×y
n×2 162008114
n×3 243012171
n×4 324016228
n×5 405020285

Division

n÷y
n÷2 40502028.5
n÷3 27001352.333333
n÷3 20251014.25
n÷5 16200811.4

Exponentiation

ny
n2 6561657250459249
n3 5.3152085793066E+23
n4 4.3055345872504E+31
n5 3.4876576912111E+39

Nth Root

y√n
2√n 9000.2253860667
3√n 432.68209468336
4√n 94.869517686487
5√n 38.168171426103

Divisors of 81004057

1, 139, 582763, 81004057

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 -81004056
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 81004057 can be divided by 4 positive divisors. The sum of these divisors (counting 81004057) is 1, the average is 0.25.

Base conversion 81004057

Base System Value
2 Binary 100110101000000011000011001
3 Ternary 12122102102200021
4 Quaternary 10311000120121
5 Quinary 131214112212
6 Senary 12012110441
8 Octal 465003031
10 Decimal 81004057
12 Duodecimal 23165421
16 Hexadecimal 4d40619
20 Vigesimal 1565a2h
36 Base36 1c874p

Cryptographic Hash Functions

md5 7f4b35c04e2334982d9af718e248b85d
sha1 5a387175388434848934b2c18d0e60a19c14d3df
sha256 40a7950ed99e017da78c7dde28f40f4bd600773af704750830625104e035b777
sha512 c3bd5fe84eb2dd3c928c7527c8f5355aba0b558ea42ccb7ab68e9704e3b1418ab30bbb110b84e8b3a323d8310155d1e9e160fa716b832ff1d58d71b7393bf33b
ripemd-160 c553f8b61e9a42d3e091a7fb33b568c6258b3270

81004057 as geometric shapes

Circle

Radius = n
Diameter 162008114
Circumference 508963500.76434
Area 2.0614054213417E+16

Sphere

Radius = n
Volume 2.2264293633396E+24
Surface area 8.2456216853668E+16
Circumference 508963500.76434

Square

Length = n
Perimeter 324016228
Area 6561657250459249
Diagonal 114557036.01664

Cube

Length = n
Surface area 39369943502755494
Volume 5.3152085793066E+23
Space diagonal 140303142.34321

Equilateral Triangle

Length = n
Perimeter 243012171
Area 2.841280934912E+15
Altitude 70151571.171603

Triangular Pyramid

Length = n
Surface area 2.841280934912E+15
Volume 6.2640333830811E+22
Height 38185678.672214