81330762 (number)

81330762 is an even 8-digits composite number following 81330761 and preceding 81330763. In scientific notation, it is written as 8.1330762 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 27067920 positive integers (up to 81330762) that are relatively prime to 81330762.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand seven hundred sixty-two

Notation

Scientific notation 8.1330762 × 10^7
Engineering notation 8.1330762 × 10^6

Prime Factorization of 81330762

Prime Factorization 2 × 3 × 661 × 20507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330762
Product of the distinct prime numbers

The prime factorization of 81330762 is 2 × 3 × 661 × 20507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330762)

Multiplication

n×y
n×2 162661524
n×3 243992286
n×4 325323048
n×5 406653810

Division

n÷y
n÷2 40665381
n÷3 27110254
n÷3 20332690.5
n÷5 16266152.4

Exponentiation

ny
n2 6614692847500644
n3 5.3797800968318E+23
n4 4.3754161466776E+31
n5 3.5585592927639E+39

Nth Root

y√n
2√n 9018.3569456969
3√n 433.26301120531
4√n 94.965030120023
5√n 38.198909797282

Divisors of 81330762

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 -81330761
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 81330762 can be divided by 16 positive divisors. The sum of these divisors (counting 81330762) is 1, the average is 0.0625.

Base conversion 81330762

Base System Value
2 Binary 100110110010000001001001010
3 Ternary 12200001000211110
4 Quaternary 10312100021022
5 Quinary 131310041022
6 Senary 12023111150
8 Octal 466201112
10 Decimal 81330762
12 Duodecimal 232a24b6
16 Hexadecimal 4d9024a
20 Vigesimal 15866i2
36 Base36 1cf77u

Cryptographic Hash Functions

md5 700cbd9dd46fd427295f13f130996e18
sha1 af6ef723f393055557fefd8fd8c2b3ba72fdba31
sha256 4d054cd13c8065961b2721b672a3b05bb7c76f79e41ce155cece836bc81de935
sha512 c19ff30edef0395b881e72ad84d1cc431fa5c98e59f85121ab40ac1bb0deeff4635974f3007442674ede4ad1d383d96513c25fbbd08c81b1a1fc519b95e0bd2a
ripemd-160 ff04dad46a1db96e70fbfaabeb20fa92644fe4b0

81330762 as geometric shapes

Circle

Radius = n
Diameter 162661524
Circumference 511016248.82012
Area 2.0780670455461E+16

Sphere

Radius = n
Volume 2.2534770173514E+24
Surface area 8.3122681821844E+16
Circumference 511016248.82012

Square

Length = n
Perimeter 325323048
Area 6614692847500644
Diagonal 115019066.65854

Cube

Length = n
Surface area 39688157085003864
Volume 5.3797800968318E+23
Space diagonal 140869012.00229

Equilateral Triangle

Length = n
Perimeter 243992286
Area 2.8642460220834E+15
Altitude 70434506.001146

Triangular Pyramid

Length = n
Surface area 2.8642460220834E+15
Volume 6.3401316462703E+22
Height 38339688.886179