81920004 (number)

81920004 is an even 8-digits composite number following 81920003 and preceding 81920005. In scientific notation, it is written as 8.1920004 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 26785792 positive integers (up to 81920004) that are relatively prime to 81920004.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred twenty thousand four

Notation

Scientific notation 8.1920004 × 10^7
Engineering notation 8.1920004 × 10^6

Prime Factorization of 81920004

Prime Factorization 2 × 2 × 3 × 233 × 83 × 353

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40960002
Product of the distinct prime numbers

The prime factorization of 81920004 is 2 × 2 × 3 × 233 × 83 × 353. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81920004)

Multiplication

n×y
n×2 163840008
n×3 245760012
n×4 327680016
n×5 409600020

Division

n÷y
n÷2 40960002
n÷3 27306668
n÷3 20480001
n÷5 16384000.8

Exponentiation

ny
n2 6710887055360016
n3 5.4975589441864E+23
n4 4.5036005069799E+31
n5 3.6893497154619E+39

Nth Root

y√n
2√n 9050.9670201587
3√n 434.30682572398
4√n 95.136570361553
5√n 38.254100365177

Divisors of 81920004

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81920003
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81920004 can be divided by 48 positive divisors. The sum of these divisors (counting 81920004) is 1, the average is 0.020833333333333.

Base conversion 81920004

Base System Value
2 Binary 100111000100000000000000100
3 Ternary 12201010222010020
4 Quaternary 10320200000010
5 Quinary 131432420004
6 Senary 12043455140
8 Octal 470400004
10 Decimal 81920004
12 Duodecimal 235274b0
16 Hexadecimal 4e20004
20 Vigesimal 15c0004
36 Base36 1crtvo

Cryptographic Hash Functions

md5 733e1d82093671b1fbe353bbdfad1ad2
sha1 8ef9cc6409d0a0d78076b23b73bc3f2424586b5b
sha256 dd07edd40519fa24c957bc9d9625e71c31dddc677c6b1d14011287c7ea550bfc
sha512 b3cb4941fa2f554c31d0b02c3bd9effc04227298e48e10e909ee5f9f3bcad87f2d74acba8fbad2073b45be0e7873ca754f82fa521137f6a49f17a8e5d8d9174e
ripemd-160 11dfbfbb917976fd22f2ee55751ca639f8d2ee65

81920004 as geometric shapes

Circle

Radius = n
Diameter 163840008
Circumference 514718565.49689
Area 2.108287347219E+16

Sphere

Radius = n
Volume 2.3028121055644E+24
Surface area 8.4331493888759E+16
Circumference 514718565.49689

Square

Length = n
Perimeter 327680016
Area 6710887055360016
Diagonal 115852380.68646

Cube

Length = n
Surface area 40265322332160096
Volume 5.4975589441864E+23
Space diagonal 141889609.08425

Equilateral Triangle

Length = n
Perimeter 245760012
Area 2.905899335935E+15
Altitude 70944804.542123

Triangular Pyramid

Length = n
Surface area 2.905899335935E+15
Volume 6.4789353490116E+22
Height 38617460.228819