81777550 (number)

81777550 is an even 8-digits composite number following 81777549 and preceding 81777551. In scientific notation, it is written as 8.1777550 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 32711000 positive integers (up to 81777550) that are relatively prime to 81777550.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-seven thousand five hundred fifty

Notation

Scientific notation 8.1777550 × 10^7
Engineering notation 8.1777550 × 10^6

Prime Factorization of 81777550

Prime Factorization 2 × 5 × 5 × 1635551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16355510
Product of the distinct prime numbers

The prime factorization of 81777550 is 2 × 5 × 5 × 1635551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 35, 28, 367, 648, 326, 8206, 6950, 20852, 204437, 242953, 3922360, 4202004, 75408482, 5227591, 885090623, 705403677, 8350835971, 9787977350

Basic calculations (n = 81777550)

Multiplication

n×y
n×2 163555100
n×3 245332650
n×4 327110200
n×5 408887750

Division

n÷y
n÷2 40888775
n÷3 27259183.333333
n÷3 20444387.5
n÷5 16355510

Exponentiation

ny
n2 6687567684002500
n3 5.468929006569E+23
n4 4.4723561528115E+31
n5 3.6573832890435E+39

Nth Root

y√n
2√n 9043.0940501578
3√n 434.05493510617
4√n 95.095184158599
5√n 38.240786781646

Divisors of 81777550

1, 2, 5, 10, 25, 50, 1635551, 3271102, 8177755, 16355510, 40888775, 81777550

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81777549
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81777550 can be divided by 12 positive divisors. The sum of these divisors (counting 81777550) is 1, the average is 0.083333333333333.

Base conversion 81777550

Base System Value
2 Binary 100110111111101001110001110
3 Ternary 12200212201201011
4 Quaternary 10313331032032
5 Quinary 131413340200
6 Senary 12040435434
8 Octal 467751616
10 Decimal 81777550
12 Duodecimal 23478b7a
16 Hexadecimal 4dfd38e
20 Vigesimal 15b23ha
36 Base36 1corym

Cryptographic Hash Functions

md5 9cb91d1ca2d9ee38d26b4ed88f2da575
sha1 f7ecc2f81845d0b6436e0dc3d0cbdd57c071cb76
sha256 d827b742fafadda3e03b6414f1cbe07c72fb8aa8648ee6e6c15f2355c4faec15
sha512 2ba2d38df18fedf21dc9aa4f3ec68ce336c8b584bc2df50de0b52b525f1651c77ab51c735c59f4bdc0e22346874ad90746526a500ef7fefcf6fd3c6af44fd9eb
ripemd-160 a85315cd9ec7c088db0e62a15c30be8c9c851e55

81777550 as geometric shapes

Circle

Radius = n
Diameter 163555100
Circumference 513823500.61714
Area 2.1009613506447E+16

Sphere

Radius = n
Volume 2.2908196253388E+24
Surface area 8.4038454025787E+16
Circumference 513823500.61714

Square

Length = n
Perimeter 327110200
Area 6687567684002500
Diagonal 115650920.30764

Cube

Length = n
Surface area 40125406104015000
Volume 5.468929006569E+23
Space diagonal 141642871.5185

Equilateral Triangle

Length = n
Perimeter 245332650
Area 2.895801751937E+15
Altitude 70821435.759252

Triangular Pyramid

Length = n
Surface area 2.895801751937E+15
Volume 6.4451946439546E+22
Height 38550306.769215