81293722 (number)

81293722 is an even 8-digits composite number following 81293721 and preceding 81293723. In scientific notation, it is written as 8.1293722 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 40074300 positive integers (up to 81293722) that are relatively prime to 81293722.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-three thousand seven hundred twenty-two

Notation

Scientific notation 8.1293722 × 10^7
Engineering notation 8.1293722 × 10^6

Prime Factorization of 81293722

Prime Factorization 2 × 71 × 572491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81293722
Product of the distinct prime numbers

The prime factorization of 81293722 is 2 × 71 × 572491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81293722)

Multiplication

n×y
n×2 162587444
n×3 243881166
n×4 325174888
n×5 406468610

Division

n÷y
n÷2 40646861
n÷3 27097907.333333
n÷3 20323430.5
n÷5 16258744.4

Exponentiation

ny
n2 6608669236613284
n3 5.3724331971119E+23
n4 4.3674509078959E+31
n5 3.5504633995514E+39

Nth Root

y√n
2√n 9016.3031226773
3√n 433.19722839291
4√n 94.954215928927
5√n 38.19542982143

Divisors of 81293722

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 -81293721
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 81293722 can be divided by 8 positive divisors. The sum of these divisors (counting 81293722) is 1, the average is 0.125.

Base conversion 81293722

Base System Value
2 Binary 100110110000111000110011010
3 Ternary 12122222011000121
4 Quaternary 10312013012122
5 Quinary 131302344342
6 Senary 12022223454
8 Octal 466070632
10 Decimal 81293722
12 Duodecimal 23284b8a
16 Hexadecimal 4d8719a
20 Vigesimal 1581e62
36 Base36 1ceemy

Cryptographic Hash Functions

md5 23b0c7930d86e955ba37bab68389728b
sha1 d26c38e8a8c7305d4644420e20192d5c8efc9c76
sha256 6068d7771a664b5f09cf3b9efbb651909499e60ad5bee648e0d8fd73fc19d4f2
sha512 4315522500d4063dfb1f95be9c9ad969a1516a2daabf0f28e58f553d2e12bb0284c7ae7de9c3c4815896a7a218d7b6eb278125a7d5667dc5c7ba3f14dc83a5e6
ripemd-160 45c8f7c5e5573ecd00bb9ebf65f6bdf20ea0a518

81293722 as geometric shapes

Circle

Radius = n
Diameter 162587444
Circumference 510783519.63634
Area 2.0761746723749E+16

Sphere

Radius = n
Volume 2.2503995551932E+24
Surface area 8.3046986894997E+16
Circumference 510783519.63634

Square

Length = n
Perimeter 325174888
Area 6608669236613284
Diagonal 114966684.18819

Cube

Length = n
Surface area 39652015419679704
Volume 5.3724331971119E+23
Space diagonal 140804856.84038

Equilateral Triangle

Length = n
Perimeter 243881166
Area 2.8616377220579E+15
Altitude 70402428.42019

Triangular Pyramid

Length = n
Surface area 2.8616377220579E+15
Volume 6.3314732419159E+22
Height 38322228.062729