80821985 (number)

80821985 is an odd 8-digits composite number following 80821984 and preceding 80821986. In scientific notation, it is written as 8.0821985 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 62252736 positive integers (up to 80821985) that are relatively prime to 80821985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.0821985 × 10^7
Engineering notation 8.0821985 × 10^6

Prime Factorization of 80821985

Prime Factorization 29 × 5 × 1019 × 547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80821985
Product of the distinct prime numbers

The prime factorization of 80821985 is 29 × 5 × 1019 × 547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 70, 88, 967, 667, 8113, 6355, 69156, 48376, 463600, 223574, 7042678, 3328820, 95804755, 51150153, 817094579, 767441742, 8765247648, 2501258165

Basic calculations (n = 80821985)

Multiplication

n×y
n×2 161643970
n×3 242465955
n×4 323287940
n×5 404109925

Division

n÷y
n÷2 40410992.5
n÷3 26940661.666667
n÷3 20205496.25
n÷5 16164397

Exponentiation

ny
n2 6532193259340225
n3 5.279448256235E+23
n4 4.266954877737E+31
n5 3.4486376312414E+39

Nth Root

y√n
2√n 8990.1048380984
3√n 432.35767310546
4√n 94.816163379976
5√n 38.150997936273

Divisors of 80821985

1, 5, 29, 145, 547, 1019, 2735, 5095, 15863, 29551, 79315, 147755, 557393, 2786965, 16164397, 80821985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80821984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80821985 can be divided by 16 positive divisors. The sum of these divisors (counting 80821985) is 1, the average is 0.0625.

Base conversion 80821985

Base System Value
2 Binary 100110100010011111011100001
3 Ternary 12122002011220212
4 Quaternary 10310103323201
5 Quinary 131142300420
6 Senary 12004143505
8 Octal 464237341
10 Decimal 80821985
12 Duodecimal 23097b95
16 Hexadecimal 4d13ee1
20 Vigesimal 1552ej5
36 Base36 1c4an5

Cryptographic Hash Functions

md5 af21f0cb290fb710e4b01c4f724a0e3f
sha1 fb26021847011622794eb475f48b6d3d03c21ec0
sha256 ff07c7510b8c7d4e5fa4b5c23d35e41513be6dc6f1ddfed738d0fcfe54204da3
sha512 9f4677fa3b4611be16247e58b1e08113893b68c0ba7b5f1113525efddbc5bf04407cdd7be56a8d342104177cc7a18b9b2ed9a4eecb5759d3cd153d589bf26b09
ripemd-160 e05acdcc79c7988648e8add0b290b10a0fb03817

80821985 as geometric shapes

Circle

Radius = n
Diameter 161643970
Circumference 507819508.64909
Area 2.0521490355372E+16

Sphere

Radius = n
Volume 2.2114501142394E+24
Surface area 8.2085961421488E+16
Circumference 507819508.64909

Square

Length = n
Perimeter 323287940
Area 6532193259340225
Diagonal 114299547.32491

Cube

Length = n
Surface area 39193159556041350
Volume 5.279448256235E+23
Space diagonal 139987784.38857

Equilateral Triangle

Length = n
Perimeter 242465955
Area 2.8285226525091E+15
Altitude 69993892.194285

Triangular Pyramid

Length = n
Surface area 2.8285226525091E+15
Volume 6.2218894381787E+22
Height 38099849.108305