80821781 (number)

80821781 is an odd 8-digits composite number following 80821780 and preceding 80821782. In scientific notation, it is written as 8.0821781 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 80106432 positive integers (up to 80821781) that are relatively prime to 80821781.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand seven hundred eighty-one

Notation

Scientific notation 8.0821781 × 10^7
Engineering notation 8.0821781 × 10^6

Prime Factorization of 80821781

Prime Factorization 113 × 715237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80821781
Product of the distinct prime numbers

The prime factorization of 80821781 is 113 × 715237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821781)

Multiplication

n×y
n×2 161643562
n×3 242465343
n×4 323287124
n×5 404108905

Division

n÷y
n÷2 40410890.5
n÷3 26940593.666667
n÷3 20205445.25
n÷5 16164356.2

Exponentiation

ny
n2 6532160284011961
n3 5.2794082793131E+23
n4 4.2669117976023E+31
n5 3.4485941085213E+39

Nth Root

y√n
2√n 8990.0934922836
3√n 432.35730933876
4√n 94.816103549363
5√n 38.150978677128

Divisors of 80821781

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 -80821780
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 80821781 can be divided by 4 positive divisors. The sum of these divisors (counting 80821781) is 1, the average is 0.25.

Base conversion 80821781

Base System Value
2 Binary 100110100010011111000010101
3 Ternary 12122002011122022
4 Quaternary 10310103320111
5 Quinary 131142244111
6 Senary 12004142525
8 Octal 464237025
10 Decimal 80821781
12 Duodecimal 23097a45
16 Hexadecimal 4d13e15
20 Vigesimal 1552e91
36 Base36 1c4ahh

Cryptographic Hash Functions

md5 e745fa9f64222c58e3adf6f008bf058f
sha1 2c7ea4a7c31be1ef948ae816966b6aa2e53332e9
sha256 156095e02e6621173c4cd7066dcb8a810cc0088db14958ef2d2d084350d8ed73
sha512 5f1a1127c0081c9dc5711d662cf4e68029082c5eb9f5299fe65cc78d7560b116ef2efa57309b9276d6da333c9c31472064ff56c0c529a620c506dca769ad9a6d
ripemd-160 f1e8fd68fcee05facd90a5df149eca0f85441b90

80821781 as geometric shapes

Circle

Radius = n
Diameter 161643562
Circumference 507818226.87929
Area 2.0521386760323E+16

Sphere

Radius = n
Volume 2.2114333687455E+24
Surface area 8.2085547041292E+16
Circumference 507818226.87929

Square

Length = n
Perimeter 323287124
Area 6532160284011961
Diagonal 114299258.82535

Cube

Length = n
Surface area 39192961704071766
Volume 5.2794082793131E+23
Space diagonal 139987431.0502

Equilateral Triangle

Length = n
Perimeter 242465343
Area 2.8285083737731E+15
Altitude 69993715.525102

Triangular Pyramid

Length = n
Surface area 2.8285083737731E+15
Volume 6.2218423249245E+22
Height 38099752.941783