80821645 (number)

80821645 is an odd 8-digits composite number following 80821644 and preceding 80821646. In scientific notation, it is written as 8.0821645 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 63221760 positive integers (up to 80821645) that are relatively prime to 80821645.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand six hundred forty-five

Notation

Scientific notation 8.0821645 × 10^7
Engineering notation 8.0821645 × 10^6

Prime Factorization of 80821645

Prime Factorization 5 × 61 × 193 × 1373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80821645
Product of the distinct prime numbers

The prime factorization of 80821645 is 5 × 61 × 193 × 1373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 2, 94, 7, 658, 6961, 5977, 54910, 68311, 153504, 623743, 5209362, 9461799, 82686078, 30401898, 447008950, 33817222, 3084731781, 8540140931

Basic calculations (n = 80821645)

Multiplication

n×y
n×2 161643290
n×3 242464935
n×4 323286580
n×5 404108225

Division

n÷y
n÷2 40410822.5
n÷3 26940548.333333
n÷3 20205411.25
n÷5 16164329

Exponentiation

ny
n2 6532138300506025
n3 5.279381628144E+23
n4 4.2668830776938E+31
n5 3.4485650936187E+39

Nth Root

y√n
2√n 8990.0859283991
3√n 432.35706682729
4√n 94.816063662225
5√n 38.150965837677

Divisors of 80821645

1, 5, 61, 193, 305, 965, 1373, 6865, 11773, 58865, 83753, 264989, 418765, 1324945, 16164329, 80821645

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 -80821644
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 80821645 can be divided by 16 positive divisors. The sum of these divisors (counting 80821645) is 1, the average is 0.0625.

Base conversion 80821645

Base System Value
2 Binary 100110100010011110110001101
3 Ternary 12122002011110021
4 Quaternary 10310103312031
5 Quinary 131142243040
6 Senary 12004142141
8 Octal 464236615
10 Decimal 80821645
12 Duodecimal 23097951
16 Hexadecimal 4d13d8d
20 Vigesimal 1552e25
36 Base36 1c4adp

Cryptographic Hash Functions

md5 1f6cc660fdb5311060ffb3e8058ea284
sha1 0a18e2c344d4f96cdf334d22ecf8e94d0f59fc0a
sha256 8077bfd30cab609250be49c10188cadf55688cfc0c60936239dc306209f830f4
sha512 55a8cc6b1b1aeb48806abbca2e45eefb7522d7f73e454fee1bf87320b1217a4899c2ba072ad343dcf1e8c5888228ed72135be3550ba2d1b49b7903bf8476ca1c
ripemd-160 372df6b97c2d62867b92ea435bd5dff7dae84cfd

80821645 as geometric shapes

Circle

Radius = n
Diameter 161643290
Circumference 507817372.36608
Area 2.0521317697102E+16

Sphere

Radius = n
Volume 2.2114222051299E+24
Surface area 8.2085270788409E+16
Circumference 507817372.36608

Square

Length = n
Perimeter 323286580
Area 6532138300506025
Diagonal 114299066.4923

Cube

Length = n
Surface area 39192829803036150
Volume 5.279381628144E+23
Space diagonal 139987195.4913

Equilateral Triangle

Length = n
Perimeter 242464935
Area 2.8284988546358E+15
Altitude 69993597.745648

Triangular Pyramid

Length = n
Surface area 2.8284988546358E+15
Volume 6.2218109162205E+22
Height 38099688.830768