80821990 (number)

80821990 is an even 8-digits composite number following 80821989 and preceding 80821991. In scientific notation, it is written as 8.0821990 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 32328792 positive integers (up to 80821990) that are relatively prime to 80821990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.0821990 × 10^7
Engineering notation 8.0821990 × 10^6

Prime Factorization of 80821990

Prime Factorization 2 × 5 × 8082199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 80821990
Product of the distinct prime numbers

The prime factorization of 80821990 is 2 × 5 × 8082199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821990)

Multiplication

n×y
n×2 161643980
n×3 242465970
n×4 323287960
n×5 404109950

Division

n÷y
n÷2 40410995
n÷3 26940663.333333
n÷3 20205497.5
n÷5 16164398

Exponentiation

ny
n2 6532194067560100
n3 5.279449236064E+23
n4 4.2669559336267E+31
n5 3.4486386979802E+39

Nth Root

y√n
2√n 8990.1051161819
3√n 432.3576820213
4√n 94.816164846412
5√n 38.15099840831

Divisors of 80821990

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 -80821989
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 80821990 can be divided by 8 positive divisors. The sum of these divisors (counting 80821990) is 1, the average is 0.125.

Base conversion 80821990

Base System Value
2 Binary 100110100010011111011100110
3 Ternary 12122002011221001
4 Quaternary 10310103323212
5 Quinary 131142300430
6 Senary 12004143514
8 Octal 464237346
10 Decimal 80821990
12 Duodecimal 23097b9a
16 Hexadecimal 4d13ee6
20 Vigesimal 1552eja
36 Base36 1c4ana

Cryptographic Hash Functions

md5 aae11b28078dab30e34549889b3500f9
sha1 cb8a9071b282ee4da3c4d26befb76fe386883151
sha256 4a9d85182aa6b8c7bb3f67d42a6e78997b6bb211304a74aa9104a58b12e32558
sha512 0ae52747b7630e4689c9340ecbf06d8bc7066534a60b8e0dd3b1b8292db0e988bec8b925a11159984f054188ad52d3cf811e27548f64aad42466a38d8abfdb79
ripemd-160 43eac40f9a47a794dea51200cb23e1d289119a4e

80821990 as geometric shapes

Circle

Radius = n
Diameter 161643980
Circumference 507819540.06502
Area 2.052149289447E+16

Sphere

Radius = n
Volume 2.2114505246692E+24
Surface area 8.2085971577879E+16
Circumference 507819540.06502

Square

Length = n
Perimeter 323287960
Area 6532194067560100
Diagonal 114299554.39598

Cube

Length = n
Surface area 39193164405360600
Volume 5.279449236064E+23
Space diagonal 139987793.04882

Equilateral Triangle

Length = n
Perimeter 242465970
Area 2.8285230024785E+15
Altitude 69993896.524412

Triangular Pyramid

Length = n
Surface area 2.8285230024785E+15
Volume 6.2218905929183E+22
Height 38099851.465328