81291714 (number)

81291714 is an even 8-digits composite number following 81291713 and preceding 81291715. In scientific notation, it is written as 8.1291714 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 23226192 positive integers (up to 81291714) that are relatively prime to 81291714.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-one thousand seven hundred fourteen

Notation

Scientific notation 8.1291714 × 10^7
Engineering notation 8.1291714 × 10^6

Prime Factorization of 81291714

Prime Factorization 2 × 21 × 1935517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81291714
Product of the distinct prime numbers

The prime factorization of 81291714 is 2 × 21 × 1935517. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81291714)

Multiplication

n×y
n×2 162583428
n×3 243875142
n×4 325166856
n×5 406458570

Division

n÷y
n÷2 40645857
n÷3 27097238
n÷3 20322928.5
n÷5 16258342.8

Exponentiation

ny
n2 6608342765057796
n3 5.3720351007105E+23
n4 4.3670194100492E+31
n5 3.5500249291417E+39

Nth Root

y√n
2√n 9016.1917681469
3√n 433.19366162631
4√n 94.953629568052
5√n 38.195241129907

Divisors of 81291714

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 -81291713
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 81291714 can be divided by 8 positive divisors. The sum of these divisors (counting 81291714) is 1, the average is 0.125.

Base conversion 81291714

Base System Value
2 Binary 100110110000110100111000010
3 Ternary 12122222001021020
4 Quaternary 10312012213002
5 Quinary 131302313324
6 Senary 12022210310
8 Octal 466064702
10 Decimal 81291714
12 Duodecimal 23283996
16 Hexadecimal 4d869c2
20 Vigesimal 158195e
36 Base36 1ced36

Cryptographic Hash Functions

md5 c1ffa5408622587c3124702a9f8dfa08
sha1 5543ee6c8bf5d325e01c2460bcf063d8b85dfdc7
sha256 50fea2598d921085e6c22bc1dcc2d7611cb5586eec57489bed89ae3665facc1a
sha512 f75d05e0e77a9d241343fa480456aa2c7b5e9dd8a97dd0955cdebb88bd960ce230ec5bfac80df5f70cfd282197a11d9f71b0f6649eb7a69db281a17c3ca1ba89
ripemd-160 d8e3b8ff29798d4c67c99b429b8ce280ec24a84c

81291714 as geometric shapes

Circle

Radius = n
Diameter 162583428
Circumference 510770903.00025
Area 2.0760721083109E+16

Sphere

Radius = n
Volume 2.2502328009625E+24
Surface area 8.3042884332435E+16
Circumference 510770903.00025

Square

Length = n
Perimeter 325166856
Area 6608342765057796
Diagonal 114963844.44735

Cube

Length = n
Surface area 39650056590346776
Volume 5.3720351007105E+23
Space diagonal 140801378.88236

Equilateral Triangle

Length = n
Perimeter 243875142
Area 2.8614963557276E+15
Altitude 70400689.441179

Triangular Pyramid

Length = n
Surface area 2.8614963557276E+15
Volume 6.3310040808076E+22
Height 38321281.482452