81532011 (number)

81532011 is an odd 8-digits composite number following 81532010 and preceding 81532012. In scientific notation, it is written as 8.1532011 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 49413320 positive integers (up to 81532011) that are relatively prime to 81532011.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred thirty-two thousand eleven

Notation

Scientific notation 8.1532011 × 10^7
Engineering notation 8.1532011 × 10^6

Prime Factorization of 81532011

Prime Factorization 33 × 2470667

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81532011
Product of the distinct prime numbers

The prime factorization of 81532011 is 33 × 2470667. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81532011)

Multiplication

n×y
n×2 163064022
n×3 244596033
n×4 326128044
n×5 407660055

Division

n÷y
n÷2 40766005.5
n÷3 27177337
n÷3 20383002.75
n÷5 16306402.2

Exponentiation

ny
n2 6647468817704121
n3 5.4198150076721E+23
n4 4.4188841682349E+31
n5 3.6028051261225E+39

Nth Root

y√n
2√n 9029.5077938944
3√n 433.62007957409
4√n 95.023722269202
5√n 38.217795381423

Divisors of 81532011

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81532010
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81532011 can be divided by 4 positive divisors. The sum of these divisors (counting 81532011) is 1, the average is 0.25.

Base conversion 81532011

Base System Value
2 Binary 100110111000001010001101011
3 Ternary 12200102020220010
4 Quaternary 10313001101223
5 Quinary 131333011021
6 Senary 12031303003
8 Octal 467012153
10 Decimal 81532011
12 Duodecimal 2337aa63
16 Hexadecimal 4dc146b
20 Vigesimal 159ba0b
36 Base36 1cjii3

Cryptographic Hash Functions

md5 f6aef37a1ead20cccaa08b4f2d37f833
sha1 b1ca23de6979bb7c36bf2aee3ebc85545b1d30c3
sha256 7392292e444625e9dd383676e8a8a482d3259a97313680e76d67ae560e8c4754
sha512 360094dc25f3dc99b951ac7f2f2a1fb1ef86d1d6163b4d20cae83e8f3d528c352db51ab8138e8c393c6c69bf01ea4b18190f5c6249f3ee17d0ca7019a2ce768a
ripemd-160 290454615e7928cb926987f956779745ef224c96

81532011 as geometric shapes

Circle

Radius = n
Diameter 163064022
Circumference 512280733.58
Area 2.0883639202666E+16

Sphere

Radius = n
Volume 2.2702468015891E+24
Surface area 8.3534556810666E+16
Circumference 512280733.58

Square

Length = n
Perimeter 326128044
Area 6647468817704121
Diagonal 115303675.72375

Cube

Length = n
Surface area 39884812906224726
Volume 5.4198150076721E+23
Space diagonal 141217585.49526

Equilateral Triangle

Length = n
Perimeter 244596033
Area 2.8784384334983E+15
Altitude 70608792.747632

Triangular Pyramid

Length = n
Surface area 2.8784384334983E+15
Volume 6.3873132411693E+22
Height 38434558.574584