81340982 (number)

81340982 is an even 8-digits composite number following 81340981 and preceding 81340983. In scientific notation, it is written as 8.1340982 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 40401000 positive integers (up to 81340982) that are relatively prime to 81340982.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty thousand nine hundred eighty-two

Notation

Scientific notation 8.1340982 × 10^7
Engineering notation 8.1340982 × 10^6

Prime Factorization of 81340982

Prime Factorization 2 × 151 × 269341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81340982
Product of the distinct prime numbers

The prime factorization of 81340982 is 2 × 151 × 269341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81340982)

Multiplication

n×y
n×2 162681964
n×3 244022946
n×4 325363928
n×5 406704910

Division

n÷y
n÷2 40670491
n÷3 27113660.666667
n÷3 20335245.5
n÷5 16268196.4

Exponentiation

ny
n2 6616355352724324
n3 5.3818084165155E+23
n4 4.3776158153524E+31
n5 3.5607956923949E+39

Nth Root

y√n
2√n 9018.9235499587
3√n 433.28115834672
4√n 94.968013298998
5√n 38.19986976182

Divisors of 81340982

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 -81340981
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 81340982 can be divided by 8 positive divisors. The sum of these divisors (counting 81340982) is 1, the average is 0.125.

Base conversion 81340982

Base System Value
2 Binary 100110110010010101000110110
3 Ternary 12200001112211222
4 Quaternary 10312102220312
5 Quinary 131310402412
6 Senary 12023230342
8 Octal 466225066
10 Decimal 81340982
12 Duodecimal 232a83b2
16 Hexadecimal 4d92a36
20 Vigesimal 1587c92
36 Base36 1cff3q

Cryptographic Hash Functions

md5 7745f563bb2ce695f54d5b5155af6d7b
sha1 f2b192284f51b30a725de0bbf51a0a73bcb04ef9
sha256 9593c1dc8082735de7f3cab7373ca1d1f9206b4ff8873fa90337ad8aaf9d3f0d
sha512 f08dda7c61ec48214e38dd0846ac0c0b408a8fb6ffe554465d3e41a3a7aa3f798c482ae4569a33678dcf3b33bfb1a08d9603089c59cfe025983dc1a3db4a0f1f
ripemd-160 821a09d7694e86f2b90a28781650a0d717500b98

81340982 as geometric shapes

Circle

Radius = n
Diameter 162681964
Circumference 511080462.97396
Area 2.0785893369658E+16

Sphere

Radius = n
Volume 2.2543266379137E+24
Surface area 8.3143573478633E+16
Circumference 511080462.97396

Square

Length = n
Perimeter 325363928
Area 6616355352724324
Diagonal 115033519.92115

Cube

Length = n
Surface area 39698132116345944
Volume 5.3818084165155E+23
Space diagonal 140886713.56155

Equilateral Triangle

Length = n
Perimeter 244022946
Area 2.8649659079622E+15
Altitude 70443356.780773

Triangular Pyramid

Length = n
Surface area 2.8649659079622E+15
Volume 6.3425220439416E+22
Height 38344506.640382