81572009 (number)

81572009 is an odd 8-digits prime number following 81572008 and preceding 81572010. In scientific notation, it is written as 8.1572009 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 81572008 positive integers (up to 81572009) that are relatively prime to 81572009.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand nine

Notation

Scientific notation 8.1572009 × 10^7
Engineering notation 8.1572009 × 10^6

Prime Factorization of 81572009

Prime Factorization 81572009

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81572009
Product of the distinct prime numbers

The prime factorization of 81572009 is 81572009. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81572009)

Multiplication

n×y
n×2 163144018
n×3 244716027
n×4 326288036
n×5 407860045

Division

n÷y
n÷2 40786004.5
n÷3 27190669.666667
n÷3 20393002.25
n÷5 16314401.8

Exponentiation

ny
n2 6653992652296081
n3 5.4277954851903E+23
n4 4.427561821681E+31
n5 3.6116511276622E+39

Nth Root

y√n
2√n 9031.7223717295
3√n 433.69097647419
4√n 95.035374317827
5√n 38.221544425466

Divisors of 81572009

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81572010
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40786005
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9031.72242709
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754818
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81572009 can be divided by 2 positive divisors. The sum of these divisors (counting 81572009) is 81572010, the average is 40786005.

Base conversion 81572009

Base System Value
2 Binary 100110111001011000010101001
3 Ternary 12200111021202112
4 Quaternary 10313023002221
5 Quinary 131340301014
6 Senary 12032212105
8 Octal 467130251
10 Decimal 81572009
12 Duodecimal 2339a035
16 Hexadecimal 4dcb0a9
20 Vigesimal 159ga09
36 Base36 1ckdd5

Cryptographic Hash Functions

md5 5eb16046f956d302952246bbc9dec9ff
sha1 d6d529fe6bf685298705667d48340786457c75b1
sha256 98773d32bcc1801a876cf4b05d8de9b46587b3ea1c1ae99f7e9a3846eed364b6
sha512 23332452bac63a6823fa3c0533d901578e3dda89d15adbf519aa72cd975ff0ac2f86a1a06b64685b787c336d5985ef8f177c8c82acd257e77e4997f7c9dce525
ripemd-160 4ff2ccc4724f72ce1487d586e7c4a4f91b3c9963

81572009 as geometric shapes

Circle

Radius = n
Diameter 163144018
Circumference 512532048.42592
Area 2.0904134433494E+16

Sphere

Radius = n
Volume 2.2735896561949E+24
Surface area 8.3616537733975E+16
Circumference 512532048.42592

Square

Length = n
Perimeter 326288036
Area 6653992652296081
Diagonal 115360241.43782

Cube

Length = n
Surface area 39923955913776486
Volume 5.4277954851903E+23
Space diagonal 141286864.06347

Equilateral Triangle

Length = n
Perimeter 244716027
Area 2.8812633367417E+15
Altitude 70643432.031733

Triangular Pyramid

Length = n
Surface area 2.8812633367417E+15
Volume 6.3967183241196E+22
Height 38453413.812607