81012011 (number)

81012011 is an odd 8-digits composite number following 81012010 and preceding 81012012. In scientific notation, it is written as 8.1012011 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 80976000 positive integers (up to 81012011) that are relatively prime to 81012011.

Interesting facts

Basic properties

Name

Name eighty-one million twelve thousand eleven

Notation

Scientific notation 8.1012011 × 10^7
Engineering notation 8.1012011 × 10^6

Prime Factorization of 81012011

Prime Factorization 2411 × 33601

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81012011
Product of the distinct prime numbers

The prime factorization of 81012011 is 2411 × 33601. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81012011)

Multiplication

n×y
n×2 162024022
n×3 243036033
n×4 324048044
n×5 405060055

Division

n÷y
n÷2 40506005.5
n÷3 27004003.666667
n÷3 20253002.75
n÷5 16202402.2

Exponentiation

ny
n2 6562945926264121
n3 5.3167744757091E+23
n4 4.3072259231067E+31
n5 3.489370338622E+39

Nth Root

y√n
2√n 9000.667253043
3√n 432.69625628164
4√n 94.871846472191
5√n 38.168920963159

Divisors of 81012011

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 -81012010
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 81012011 can be divided by 4 positive divisors. The sum of these divisors (counting 81012011) is 1, the average is 0.25.

Base conversion 81012011

Base System Value
2 Binary 100110101000010010100101011
3 Ternary 12122102211120212
4 Quaternary 10311002110223
5 Quinary 131214341021
6 Senary 12012211335
8 Octal 465022453
10 Decimal 81012011
12 Duodecimal 23169b4b
16 Hexadecimal 4d4252b
20 Vigesimal 1566a0b
36 Base36 1c8d9n

Cryptographic Hash Functions

md5 678dcb8bb93506e8e189c24d3adbba06
sha1 0f87bb1cd34449f6f92853fd8cf03d51580c8ccf
sha256 2aa36318d53e146802fe6904f747b77182711951b0ea0721632373460e351b5a
sha512 8c9fcf7fa668d9719effcc6fd36f80e2afc04382d148b3333d6d2350ec8edb660df2cd1b5eaa9afde5a8b8905fb9e75649b335b92320b7db159c5ef8204e9b82
ripemd-160 6b7e92639f673ebc16f6de0a472af72ddd4846c7

81012011 as geometric shapes

Circle

Radius = n
Diameter 162024022
Circumference 509013477.22027
Area 2.0618102707858E+16

Sphere

Radius = n
Volume 2.2270852844909E+24
Surface area 8.2472410831434E+16
Circumference 509013477.22027

Square

Length = n
Perimeter 324048044
Area 6562945926264121
Diagonal 114568284.67132

Cube

Length = n
Surface area 39377675557584726
Volume 5.3167744757091E+23
Space diagonal 140316919.07533

Equilateral Triangle

Length = n
Perimeter 243036033
Area 2.8418389479042E+15
Altitude 70158459.537664

Triangular Pyramid

Length = n
Surface area 2.8418389479042E+15
Volume 6.2658788096891E+22
Height 38189428.223773