80821391 (number)

80821391 is an odd 8-digits composite number following 80821390 and preceding 80821392. In scientific notation, it is written as 8.0821391 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 68815800 positive integers (up to 80821391) that are relatively prime to 80821391.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand three hundred ninety-one

Notation

Scientific notation 8.0821391 × 10^7
Engineering notation 8.0821391 × 10^6

Prime Factorization of 80821391

Prime Factorization 7 × 151 × 76463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 80821391
Product of the distinct prime numbers

The prime factorization of 80821391 is 7 × 151 × 76463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821391)

Multiplication

n×y
n×2 161642782
n×3 242464173
n×4 323285564
n×5 404106955

Division

n÷y
n÷2 40410695.5
n÷3 26940463.666667
n÷3 20205347.75
n÷5 16164278.2

Exponentiation

ny
n2 6532097243174881
n3 5.2793318534066E+23
n4 4.2668294394293E+31
n5 3.4485109045443E+39

Nth Root

y√n
2√n 8990.0718017155
3√n 432.35661390072
4√n 94.815989166994
5√n 38.150941858067

Divisors of 80821391

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 -80821390
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 80821391 can be divided by 8 positive divisors. The sum of these divisors (counting 80821391) is 1, the average is 0.125.

Base conversion 80821391

Base System Value
2 Binary 100110100010011110010001111
3 Ternary 12122002011002212
4 Quaternary 10310103302033
5 Quinary 131142241031
6 Senary 12004141035
8 Octal 464236217
10 Decimal 80821391
12 Duodecimal 2309777b
16 Hexadecimal 4d13c8f
20 Vigesimal 1552d9b
36 Base36 1c4a6n

Cryptographic Hash Functions

md5 55aa09dab555242d3f68d94514861d18
sha1 76a93f19b3882f8a30653dea1f90221bc89e6cae
sha256 affb7d27fa2dc4f215e565ce24faf6a9de55df1c76b5d5c56c5820f19016d106
sha512 d9c2650751c9889535aa0d66ca7a3fe0fd202232cfb3de5a7c1d1be052b16ee26207543bd7154821bc047067fe63d5d7f92445b502e8527606fd1f7f30525d36
ripemd-160 1a8257d34e7fe4aa0f6538d279cd053845157e24

80821391 as geometric shapes

Circle

Radius = n
Diameter 161642782
Circumference 507815776.43702
Area 2.0521188711692E+16

Sphere

Radius = n
Volume 2.2114013555366E+24
Surface area 8.2084754846769E+16
Circumference 507815776.43702

Square

Length = n
Perimeter 323285564
Area 6532097243174881
Diagonal 114298707.28206

Cube

Length = n
Surface area 39192583459049286
Volume 5.2793318534066E+23
Space diagonal 139986755.55039

Equilateral Triangle

Length = n
Perimeter 242464173
Area 2.8284810762899E+15
Altitude 69993377.775195

Triangular Pyramid

Length = n
Surface area 2.8284810762899E+15
Volume 6.2217522561299E+22
Height 38099569.09402