81196913 (number)

81196913 is an odd 8-digits composite number following 81196912 and preceding 81196914. In scientific notation, it is written as 8.1196913 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 65503296 positive integers (up to 81196913) that are relatively prime to 81196913.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-six thousand nine hundred thirteen

Notation

Scientific notation 8.1196913 × 10^7
Engineering notation 8.1196913 × 10^6

Prime Factorization of 81196913

Prime Factorization 7 × 17 × 682327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81196913
Product of the distinct prime numbers

The prime factorization of 81196913 is 7 × 17 × 682327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81196913)

Multiplication

n×y
n×2 162393826
n×3 243590739
n×4 324787652
n×5 405984565

Division

n÷y
n÷2 40598456.5
n÷3 27065637.666667
n÷3 20299228.25
n÷5 16239382.6

Exponentiation

ny
n2 6592938680729569
n3 5.3532626847353E+23
n4 4.346684044786E+31
n5 3.5293732622298E+39

Nth Root

y√n
2√n 9010.9329705641
3√n 433.02520178953
4√n 94.925934130585
5√n 38.186328444632

Divisors of 81196913

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 -81196912
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 81196913 can be divided by 8 positive divisors. The sum of these divisors (counting 81196913) is 1, the average is 0.125.

Base conversion 81196913

Base System Value
2 Binary 100110101101111011101110001
3 Ternary 12122210020020002
4 Quaternary 10311233131301
5 Quinary 131241300123
6 Senary 12020155345
8 Octal 465573561
10 Decimal 81196913
12 Duodecimal 23238b55
16 Hexadecimal 4d6f771
20 Vigesimal 1579c5d
36 Base36 1ccbxt

Cryptographic Hash Functions

md5 fc66d1f69bcdd8658ac5ef8b04e57ac3
sha1 402f0cb5f683aeda95a9b8c7d1a2848cedbc996c
sha256 f8f5823b6b745d79ab3db01fd4a33895b6d9c8fae31c1d853e3d684d4f5277d3
sha512 9f82778df64a4238e3ec80f7f7d0d3ed7683d7013696e8e67ebf8161b8f5fabb65d07c7d305a4817dcba0aa6b6c46de4bce9cb11aae15cfd9db6a26f7e8eab0f
ripemd-160 d056cd11f43dfbe851d6c0f7ceb6bda8de2fac20

81196913 as geometric shapes

Circle

Radius = n
Diameter 162393826
Circumference 510175250.74994
Area 2.0712327724948E+16

Sphere

Radius = n
Volume 2.2423694297468E+24
Surface area 8.2849310899792E+16
Circumference 510175250.74994

Square

Length = n
Perimeter 324787652
Area 6592938680729569
Diagonal 114829775.58743

Cube

Length = n
Surface area 39557632084377414
Volume 5.3532626847353E+23
Space diagonal 140637178.73375

Equilateral Triangle

Length = n
Perimeter 243590739
Area 2.8548261915524E+15
Altitude 70318589.366875

Triangular Pyramid

Length = n
Surface area 2.8548261915524E+15
Volume 6.3088805764154E+22
Height 38276591.862476