81640503 (number)

81640503 is an odd 8-digits composite number following 81640502 and preceding 81640504. In scientific notation, it is written as 8.1640503 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 46651680 positive integers (up to 81640503) that are relatively prime to 81640503.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand five hundred three

Notation

Scientific notation 8.1640503 × 10^7
Engineering notation 8.1640503 × 10^6

Prime Factorization of 81640503

Prime Factorization 3 × 21 × 1295881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81640503
Product of the distinct prime numbers

The prime factorization of 81640503 is 3 × 21 × 1295881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81640503)

Multiplication

n×y
n×2 163281006
n×3 244921509
n×4 326562012
n×5 408202515

Division

n÷y
n÷2 40820251.5
n÷3 27213501
n÷3 20410125.75
n÷5 16328100.6

Exponentiation

ny
n2 6665171730093009
n3 5.4414797262617E+23
n4 4.4424514191631E+31
n5 3.6268396841354E+39

Nth Root

y√n
2√n 9035.5134331149
3√n 433.81232904653
4√n 95.055317752953
5√n 38.22796100794

Divisors of 81640503

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81640502
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81640503 can be divided by 8 positive divisors. The sum of these divisors (counting 81640503) is 1, the average is 0.125.

Base conversion 81640503

Base System Value
2 Binary 100110111011011110000110111
3 Ternary 12200121202201100
4 Quaternary 10313123300313
5 Quinary 131344444003
6 Senary 12033501143
8 Octal 467336067
10 Decimal 81640503
12 Duodecimal 234117b3
16 Hexadecimal 4ddbc37
20 Vigesimal 15a5153
36 Base36 1clu7r

Cryptographic Hash Functions

md5 3ed1bac1782ee9e9e1ab1627fe062779
sha1 bee6027ef747f753d58b956671d47e6fb25435ef
sha256 9762fc7e98800c8cf4a2b02af7b44c5bebfb7e893646c88511548b8fceb3aebe
sha512 7f2d31421774f17e61ec6cef47ba56902000289a03de8558b714d1b6cdc654bd43d67a5db6d81c6bd90342e204861fc082d58a5313f585a9c538d660baf38ccd
ripemd-160 7c6bdd9e3d6e2bda633d6c32b0561861dd97c0c0

81640503 as geometric shapes

Circle

Radius = n
Diameter 163281006
Circumference 512962408.92035
Area 2.0939254542175E+16

Sphere

Radius = n
Volume 2.2793216976909E+24
Surface area 8.3757018168698E+16
Circumference 512962408.92035

Square

Length = n
Perimeter 326562012
Area 6665171730093009
Diagonal 115457106.58156

Cube

Length = n
Surface area 39991030380558054
Volume 5.4414797262617E+23
Space diagonal 141405499.15148

Equilateral Triangle

Length = n
Perimeter 244921509
Area 2.8861040194232E+15
Altitude 70702749.57574

Triangular Pyramid

Length = n
Surface area 2.8861040194232E+15
Volume 6.4128453568813E+22
Height 38485702.193854