81071736 (number)

81071736 is an even 8-digits composite number following 81071735 and preceding 81071737. In scientific notation, it is written as 8.1071736 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 26293248 positive integers (up to 81071736) that are relatively prime to 81071736.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-one thousand seven hundred thirty-six

Notation

Scientific notation 8.1071736 × 10^7
Engineering notation 8.1071736 × 10^6

Prime Factorization of 81071736

Prime Factorization 2 × 2 × 2 × 3 × 37 × 91297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20267934
Product of the distinct prime numbers

The prime factorization of 81071736 is 2 × 2 × 2 × 3 × 37 × 91297. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81071736)

Multiplication

n×y
n×2 162143472
n×3 243215208
n×4 324286944
n×5 405358680

Division

n÷y
n÷2 40535868
n÷3 27023912
n÷3 20267934
n÷5 16214347.2

Exponentiation

ny
n2 6572626378053696
n3 5.3285423054821E+23
n4 4.3199417505487E+31
n5 3.5022517713586E+39

Nth Root

y√n
2√n 9003.9844513415
3√n 432.80256329892
4√n 94.889327383755
5√n 38.174547207516

Divisors of 81071736

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81071735
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81071736 can be divided by 32 positive divisors. The sum of these divisors (counting 81071736) is 1, the average is 0.03125.

Base conversion 81071736

Base System Value
2 Binary 100110101010000111001111000
3 Ternary 12122112212111220
4 Quaternary 10311100321320
5 Quinary 131223243421
6 Senary 12013352040
8 Octal 465207170
10 Decimal 81071736
12 Duodecimal 23198620
16 Hexadecimal 4d50e78
20 Vigesimal 156dj6g
36 Base36 1c9nco

Cryptographic Hash Functions

md5 e64a98c904bd939266faae4229b480c6
sha1 31d2bbc483eb94d7109ca7bbde462dd261c0fbf4
sha256 1b6976518a10437ff645116817437b69351a9c9974dccfc5051b249e9c9fc326
sha512 546b68d27ac9a6fca25900df45e636ca1ba6b71101a472a6dba844cb1aefd82bddb65893fae36673d7239491edcb9fcb6004678e9bbf5867e60eda10faccc165
ripemd-160 90f5faae02a479acd80390e9dc5acbdae1945a67

81071736 as geometric shapes

Circle

Radius = n
Diameter 162143472
Circumference 509388740.46274
Area 2.0648514744084E+16

Sphere

Radius = n
Volume 2.2320145814993E+24
Surface area 8.2594058976336E+16
Circumference 509388740.46274

Square

Length = n
Perimeter 324286944
Area 6572626378053696
Diagonal 114652748.57633

Cube

Length = n
Surface area 39435758268322176
Volume 5.3285423054821E+23
Space diagonal 140420365.80981

Equilateral Triangle

Length = n
Perimeter 243215208
Area 2.8460307064891E+15
Altitude 70210182.904905

Triangular Pyramid

Length = n
Surface area 2.8460307064891E+15
Volume 6.2797473300763E+22
Height 38217582.858777