71640881 (number)

71640881 is an odd 8-digits composite number following 71640880 and preceding 71640882. In scientific notation, it is written as 7.1640881 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 64591632 positive integers (up to 71640881) that are relatively prime to 71640881.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred forty thousand eight hundred eighty-one

Notation

Scientific notation 7.1640881 × 10^7
Engineering notation 7.1640881 × 10^6

Prime Factorization of 71640881

Prime Factorization 13 × 43 × 128159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71640881
Product of the distinct prime numbers

The prime factorization of 71640881 is 13 × 43 × 128159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71640881)

Multiplication

n×y
n×2 143281762
n×3 214922643
n×4 286563524
n×5 358204405

Division

n÷y
n÷2 35820440.5
n÷3 23880293.666667
n÷3 17910220.25
n÷5 14328176.2

Exponentiation

ny
n2 5132415830456161
n3 3.6769079175223E+23
n4 2.6341692256717E+31
n5 1.8871420403021E+39

Nth Root

y√n
2√n 8464.0936313347
3√n 415.323946995
4√n 92.000508864542
5√n 37.241930352925

Divisors of 71640881

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 -71640880
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 71640881 can be divided by 8 positive divisors. The sum of these divisors (counting 71640881) is 1, the average is 0.125.

Base conversion 71640881

Base System Value
2 Binary 100010001010010011100110001
3 Ternary 11222210201210222
4 Quaternary 10101102130301
5 Quinary 121320002011
6 Senary 11035302425
8 Octal 421223461
10 Decimal 71640881
12 Duodecimal 1bbaaa15
16 Hexadecimal 4452731
20 Vigesimal 127f241
36 Base36 16nigh

Cryptographic Hash Functions

md5 e941536a2772353f93828eb0437c4bdf
sha1 bd46fbb428fdac2eaebfc30bf5afbf2431b0e5c7
sha256 24be72adce3d3702a23699163f0caa7811a5e5c7905cb3e79917d9b13ed067dd
sha512 8a0227505705840115bc3b78a6d4f9ef3b9e6bd600b827a57bebb67c52ec5f3da1109c88348c3ea23a180c94ec6155039b1980630b15bf50f8beb4e48eb7e83c
ripemd-160 861ff6b918dfd9651ccc1e95daf1ea41f4249c22

71640881 as geometric shapes

Circle

Radius = n
Diameter 143281762
Circumference 450132930.8926
Area 1.6123959868129E+16

Sphere

Radius = n
Volume 1.5401795868819E+24
Surface area 6.4495839472516E+16
Circumference 450132930.8926

Square

Length = n
Perimeter 286563524
Area 5132415830456161
Diagonal 101315505.53056

Cube

Length = n
Surface area 30794494982736966
Volume 3.6769079175223E+23
Space diagonal 124085645.791

Equilateral Triangle

Length = n
Perimeter 214922643
Area 2.2224012459802E+15
Altitude 62042822.895498

Triangular Pyramid

Length = n
Surface area 2.2224012459802E+15
Volume 4.3332775371308E+22
Height 33771835.176852