81072011 (number)

81072011 is an odd 8-digits prime number following 81072010 and preceding 81072012. In scientific notation, it is written as 8.1072011 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 81072010 positive integers (up to 81072011) that are relatively prime to 81072011.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand eleven

Notation

Scientific notation 8.1072011 × 10^7
Engineering notation 8.1072011 × 10^6

Prime Factorization of 81072011

Prime Factorization 81072011

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81072011
Product of the distinct prime numbers

The prime factorization of 81072011 is 81072011. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072011)

Multiplication

n×y
n×2 162144022
n×3 243216033
n×4 324288044
n×5 405360055

Division

n÷y
n÷2 40536005.5
n÷3 27024003.666667
n÷3 20268002.75
n÷5 16214402.2

Exponentiation

ny
n2 6572670967584121
n3 5.3285965298336E+23
n4 4.3200003648123E+31
n5 3.5023111709607E+39

Nth Root

y√n
2√n 9003.9997223456
3√n 432.80305266211
4√n 94.88940785117
5√n 38.174573105534

Divisors of 81072011

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81072012
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40536006
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9003.9997778765
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999753306
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81072011 can be divided by 2 positive divisors. The sum of these divisors (counting 81072011) is 81072012, the average is 40536006.

Base conversion 81072011

Base System Value
2 Binary 100110101010000111110001011
3 Ternary 12122112212220002
4 Quaternary 10311100332023
5 Quinary 131223301021
6 Senary 12013353215
8 Octal 465207613
10 Decimal 81072011
12 Duodecimal 2319880b
16 Hexadecimal 4d50f8b
20 Vigesimal 156e00b
36 Base36 1c9nkb

Cryptographic Hash Functions

md5 a6bc34f0a861a5f979e1996484655359
sha1 338da68b99c1ed92736640b6b1aa163b9cc4a16e
sha256 4762c0d0a3bc96753e20cdafdb2070610ee17f3487538f3518f76cf9ae72e98e
sha512 cfcaa9d58c8110f408414d2100b0bb7d306da7a1cd3435d3ad9f78bf12b375052f757b39a8f2f102580206e38f53d6d666bf76bf6f9c9148d93314c674447b6f
ripemd-160 b94f58e8e6fccbce6a9e37f21b240b027c9b963a

81072011 as geometric shapes

Circle

Radius = n
Diameter 162144022
Circumference 509390468.3387
Area 2.0648654826225E+16

Sphere

Radius = n
Volume 2.2320372949426E+24
Surface area 8.2594619304901E+16
Circumference 509390468.3387

Square

Length = n
Perimeter 324288044
Area 6572670967584121
Diagonal 114653137.48506

Cube

Length = n
Surface area 39436025805504726
Volume 5.3285965298336E+23
Space diagonal 140420842.12378

Equilateral Triangle

Length = n
Perimeter 243216033
Area 2.8460500143221E+15
Altitude 70210421.061891

Triangular Pyramid

Length = n
Surface area 2.8460500143221E+15
Volume 6.2798112340874E+22
Height 38217712.49502