81777992 (number)

81777992 is an even 8-digits composite number following 81777991 and preceding 81777993. In scientific notation, it is written as 8.1777992 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors. There are 39783744 positive integers (up to 81777992) that are relatively prime to 81777992.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-seven thousand nine hundred ninety-two

Notation

Scientific notation 8.1777992 × 10^7
Engineering notation 8.1777992 × 10^6

Prime Factorization of 81777992

Prime Factorization 2 × 2 × 2 × 37 × 276277

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20444498
Product of the distinct prime numbers

The prime factorization of 81777992 is 2 × 2 × 2 × 37 × 276277. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 86, 76, 182, 472, 6109, 4385, 93660, 28342, 481794, 899266, 3555851, 1152232, 96031940, 66146115, 687129245, 990705505, 1888275707, 5678029184

Basic calculations (n = 81777992)

Multiplication

n×y
n×2 163555984
n×3 245333976
n×4 327111968
n×5 408889960

Division

n÷y
n÷2 40888996
n÷3 27259330.666667
n÷3 20444498
n÷5 16355598.4

Exponentiation

ny
n2 6687639975552064
n3 5.4690176841958E+23
n4 4.4724528442602E+31
n5 3.6574821291829E+39

Nth Root

y√n
2√n 9043.1184886631
3√n 434.05571711352
4√n 95.09531265348
5√n 38.240828119131

Divisors of 81777992

1, 2, 4, 8, 37, 74, 148, 296, 276277, 552554, 1105108, 2210216, 10222249, 20444498, 40888996, 81777992

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 -81777991
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 81777992 can be divided by 16 positive divisors. The sum of these divisors (counting 81777992) is 1, the average is 0.0625.

Base conversion 81777992

Base System Value
2 Binary 100110111111101010101001000
3 Ternary 12200212202022112
4 Quaternary 10313331111020
5 Quinary 131413343432
6 Senary 12040441452
8 Octal 467752510
10 Decimal 81777992
12 Duodecimal 23479288
16 Hexadecimal 4dfd548
20 Vigesimal 15b24jc
36 Base36 1cosaw

Cryptographic Hash Functions

md5 b14b194e0f9e29755a641381e4c701c8
sha1 dd2c8de843c56d9a2aafa42c2aa33a6d70d930ac
sha256 56e16fbfb4d4e3205c1b6997f328596dc7ab63b327325a8e0db50f3d432c49db
sha512 1721281d2c488e402ce79c7f0b6ddf01dc46f6119460c1a2477d28d77c7d8d0d9a814cf9f2e0f2700283f4403e70dfbdac386026ce27b35a2ada4a1a47591225
ripemd-160 4cd13438244275d098d2346ea839ef00e536bc0e

81777992 as geometric shapes

Circle

Radius = n
Diameter 163555984
Circumference 513826277.78505
Area 2.1009840617048E+16

Sphere

Radius = n
Volume 2.2908567705363E+24
Surface area 8.4039362468191E+16
Circumference 513826277.78505

Square

Length = n
Perimeter 327111968
Area 6687639975552064
Diagonal 115651545.39004

Cube

Length = n
Surface area 40125839853312384
Volume 5.4690176841958E+23
Space diagonal 141643637.08496

Equilateral Triangle

Length = n
Perimeter 245333976
Area 2.8958330550962E+15
Altitude 70821818.542481

Triangular Pyramid

Length = n
Surface area 2.8958330550962E+15
Volume 6.44529915154E+22
Height 38550515.130013