81293374 (number)

81293374 is an even 8-digits composite number following 81293373 and preceding 81293375. In scientific notation, it is written as 8.1293374 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 40646686 positive integers (up to 81293374) that are relatively prime to 81293374.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-three thousand three hundred seventy-four

Notation

Scientific notation 8.1293374 × 10^7
Engineering notation 8.1293374 × 10^6

Prime Factorization of 81293374

Prime Factorization 2 × 40646687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81293374
Product of the distinct prime numbers

The prime factorization of 81293374 is 2 × 40646687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81293374)

Multiplication

n×y
n×2 162586748
n×3 243880122
n×4 325173496
n×5 406466870

Division

n÷y
n÷2 40646687
n÷3 27097791.333333
n÷3 20323343.5
n÷5 16258674.8

Exponentiation

ny
n2 6608612656303876
n3 5.3723642029004E+23
n4 4.367376124106E+31
n5 3.5503874065562E+39

Nth Root

y√n
2√n 9016.2838242815
3√n 433.19661025231
4√n 94.954114309394
5√n 38.195397120178

Divisors of 81293374

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81293373
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81293374 can be divided by 4 positive divisors. The sum of these divisors (counting 81293374) is 1, the average is 0.25.

Base conversion 81293374

Base System Value
2 Binary 100110110000111000000111110
3 Ternary 12122222010112201
4 Quaternary 10312013000332
5 Quinary 131302341444
6 Senary 12022222114
8 Octal 466070076
10 Decimal 81293374
12 Duodecimal 2328493a
16 Hexadecimal 4d8703e
20 Vigesimal 1581d8e
36 Base36 1ceeda

Cryptographic Hash Functions

md5 c00a86f1bd3ff3cc98c597e512d12b7b
sha1 fc8fdb6fe1e4813709949bd5c3edef7093f6bc13
sha256 c1d941a688cc384025f72e4e30149dfdba129410f3b242e66683009a5ef0daee
sha512 004e0475e72b6df2d907649f41e13900230df932b927071307456125edaa8114ad36b3dba320ef4a71e87244410d16f84e9a0d1f23e7ec5af8cf805cb360d495
ripemd-160 1c95bf29c592957264cb90a6e4c92216a8973f71

81293374 as geometric shapes

Circle

Radius = n
Diameter 162586748
Circumference 510781333.08785
Area 2.0761568971465E+16

Sphere

Radius = n
Volume 2.2503706549654E+24
Surface area 8.3046275885859E+16
Circumference 510781333.08785

Square

Length = n
Perimeter 325173496
Area 6608612656303876
Diagonal 114966192.04187

Cube

Length = n
Surface area 39651675937823256
Volume 5.3723642029004E+23
Space diagonal 140804254.0867

Equilateral Triangle

Length = n
Perimeter 243880122
Area 2.8616132220653E+15
Altitude 70402127.043349

Triangular Pyramid

Length = n
Surface area 2.8616132220653E+15
Volume 6.3313919314579E+22
Height 38322064.013956