81000766 (number)

81000766 is an even 8-digits composite number following 81000765 and preceding 81000767. In scientific notation, it is written as 8.1000766 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 31558680 positive integers (up to 81000766) that are relatively prime to 81000766.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixty-six

Notation

Scientific notation 8.1000766 × 10^7
Engineering notation 8.1000766 × 10^6

Prime Factorization of 81000766

Prime Factorization 2 × 7 × 11 × 525979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81000766
Product of the distinct prime numbers

The prime factorization of 81000766 is 2 × 7 × 11 × 525979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81000766)

Multiplication

n×y
n×2 162001532
n×3 243002298
n×4 324003064
n×5 405003830

Division

n÷y
n÷2 40500383
n÷3 27000255.333333
n÷3 20250191.5
n÷5 16200153.2

Exponentiation

ny
n2 6561124092586756
n3 5.3145607732058E+23
n4 4.3048349358322E+31
n5 3.4869492730597E+39

Nth Root

y√n
2√n 9000.0425554549
3√n 432.67623499307
4√n 94.868554091727
5√n 38.167861284863

Divisors of 81000766

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 -81000765
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 81000766 can be divided by 16 positive divisors. The sum of these divisors (counting 81000766) is 1, the average is 0.0625.

Base conversion 81000766

Base System Value
2 Binary 100110100111111100100111110
3 Ternary 12122102021011101
4 Quaternary 10310333210332
5 Quinary 131214011031
6 Senary 12012043314
8 Octal 464774476
10 Decimal 81000766
12 Duodecimal 2316353a
16 Hexadecimal 4d3f93e
20 Vigesimal 15651i6
36 Base36 1c84la

Cryptographic Hash Functions

md5 7e27483d5f0254c5d6914bf3b0c0ba44
sha1 0ec4ba4745beac25c6ef7feb300da1ab3b8a7fb8
sha256 66dc4b3e17ff069b2c48481f2accf3f6d9132f70197273d85a93ce830db02c1a
sha512 d4643deb42ab94a53696f3d2baa958390ba3f58fa80d5765a4cc3ac74585d39b79700ed7876b77765e940a8c62f33477b3d31e13ba7650ddfe767a07f4112d56
ripemd-160 48fc9c2780cc21967f581bece5a40204352fb146

81000766 as geometric shapes

Circle

Radius = n
Diameter 162001532
Circumference 508942822.80149
Area 2.0612379248562E+16

Sphere

Radius = n
Volume 2.2261580109547E+24
Surface area 8.2449516994246E+16
Circumference 508942822.80149

Square

Length = n
Perimeter 324003064
Area 6561124092586756
Diagonal 114552381.83981

Cube

Length = n
Surface area 39366744555520536
Volume 5.3145607732058E+23
Space diagonal 140297442.164

Equilateral Triangle

Length = n
Perimeter 243002298
Area 2.8410500707811E+15
Altitude 70148721.081999

Triangular Pyramid

Length = n
Surface area 2.8410500707811E+15
Volume 6.2632699362698E+22
Height 38184127.279936