81294310 (number)

81294310 is an even 8-digits composite number following 81294309 and preceding 81294311. In scientific notation, it is written as 8.1294310 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 32517720 positive integers (up to 81294310) that are relatively prime to 81294310.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1294310 × 10^7
Engineering notation 8.1294310 × 10^6

Prime Factorization of 81294310

Prime Factorization 2 × 5 × 8129431

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81294310
Product of the distinct prime numbers

The prime factorization of 81294310 is 2 × 5 × 8129431. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81294310)

Multiplication

n×y
n×2 162588620
n×3 243882930
n×4 325177240
n×5 406471550

Division

n÷y
n÷2 40647155
n÷3 27098103.333333
n÷3 20323577.5
n÷5 16258862

Exponentiation

ny
n2 6608764838376100
n3 5.3725497748805E+23
n4 4.3675772688956E+31
n5 3.5505918044655E+39

Nth Root

y√n
2√n 9016.3357302177
3√n 433.19827283337
4√n 94.954387630155
5√n 38.195485075014

Divisors of 81294310

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 -81294309
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 81294310 can be divided by 8 positive divisors. The sum of these divisors (counting 81294310) is 1, the average is 0.125.

Base conversion 81294310

Base System Value
2 Binary 100110110000111001111100110
3 Ternary 12122222011211101
4 Quaternary 10312013033212
5 Quinary 131302404220
6 Senary 12022230314
8 Octal 466071746
10 Decimal 81294310
12 Duodecimal 2328539a
16 Hexadecimal 4d873e6
20 Vigesimal 1581ffa
36 Base36 1cef3a

Cryptographic Hash Functions

md5 e33e9e7b1eb8d256a917cbb5ccc0e320
sha1 b35c4d042b21bc3a5715043209cc4e33b87ad3b9
sha256 81244cbbbdc04056757f387a37f361652945259e2a771a27c68b737bd3cec9e4
sha512 8e32bf47ce3bf262435028c025734eab85a72eee34d5ea51f93e184410800f7e9c70d5b4dccf1eca95d5477f83f3726fe68f6e17a6e9f78e7538a1aa23c4870b
ripemd-160 d3b9f5e0c32d0c0dcde9264f02ff6adba7e6501a

81294310 as geometric shapes

Circle

Radius = n
Diameter 162588620
Circumference 510787214.1493
Area 2.0762047065545E+16

Sphere

Radius = n
Volume 2.2504483871747E+24
Surface area 8.304818826218E+16
Circumference 510787214.1493

Square

Length = n
Perimeter 325177240
Area 6608764838376100
Diagonal 114967515.74576

Cube

Length = n
Surface area 39652589030256600
Volume 5.3725497748805E+23
Space diagonal 140805875.28625

Equilateral Triangle

Length = n
Perimeter 243882930
Area 2.8616791188355E+15
Altitude 70402937.643127

Triangular Pyramid

Length = n
Surface area 2.8616791188355E+15
Volume 6.3316106301337E+22
Height 38322505.248588