81302016 (number)

81302016 is an even 8-digits composite number following 81302015 and preceding 81302017. In scientific notation, it is written as 8.1302016 × 10^7. The sum of its digits is 21. It has a total of 12 prime factors and 80 positive divisors. There are 26419200 positive integers (up to 81302016) that are relatively prime to 81302016.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred two thousand sixteen

Notation

Scientific notation 8.1302016 × 10^7
Engineering notation 8.1302016 × 10^6

Prime Factorization of 81302016

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 41 × 1291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 317586
Product of the distinct prime numbers

The prime factorization of 81302016 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 41 × 1291. Since it has a total of 12 prime factors.

Most popular turbo-numbers

7, 3, 10, 81, 147, 559, 446, 3796, 14940, 51479, 301889, 887360, 5949559, 9560284, 25002050, 8874992, 785712384, 711143730, 4049993394, 2247254161

Basic calculations (n = 81302016)

Multiplication

n×y
n×2 162604032
n×3 243906048
n×4 325208064
n×5 406510080

Division

n÷y
n÷2 40651008
n÷3 27100672
n÷3 20325504
n÷5 16260403.2

Exponentiation

ny
n2 6610017805664256
n3 5.374077733964E+23
n4 4.3692335391199E+31
n5 3.5522749510526E+39

Nth Root

y√n
2√n 9016.7630555538
3√n 433.21196022189
4√n 94.956637764581
5√n 38.196209168124

Divisors of 81302016

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 512, 656, 768, 984, 1291, 1312, 1536, 1968, 2582, 2624, 3873, 3936, 5164, 5248, 7746, 7872, 10328, 10496, 15492, 15744, 20656, 20992, 30984, 31488, 41312, 52931, 61968, 62976, 82624, 105862, 123936, 158793, 165248, 211724, 247872, 317586, 330496, 423448, 495744, 635172, 660992, 846896, 991488, 1270344, 1693792, 1982976, 2540688, 3387584, 5081376, 6775168, 10162752, 13550336, 20325504, 27100672, 40651008, 81302016

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81302015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81302016 can be divided by 80 positive divisors. The sum of these divisors (counting 81302016) is 1, the average is 0.0125.

Base conversion 81302016

Base System Value
2 Binary 100110110001001001000000000
3 Ternary 12122222120101210
4 Quaternary 10312021020000
5 Quinary 131303131031
6 Senary 12022330120
8 Octal 466111000
10 Decimal 81302016
12 Duodecimal 23289940
16 Hexadecimal 4d89200
20 Vigesimal 1582f0g
36 Base36 1cel1c

Cryptographic Hash Functions

md5 8c6a9f90acf2019a0e758058e691ea8a
sha1 ae911544c41c1f14f23f49a57f273671547c3d4b
sha256 e3e424e53c17a3aba3e2f4142269f9f5d974b222712c6526d2c7688c7a3fc32e
sha512 95ce8b174a1999ab29361a13ac8247c97404e00a854e8536b6fb6b415c72a36aefb5116fb94e26dbfdfd6a94a97e717837f041f2338815bea835554a424be365
ripemd-160 6d040dee6cc76a625cda14c3cb312a39d839c8f5

81302016 as geometric shapes

Circle

Radius = n
Diameter 162604032
Circumference 510835632.37528
Area 2.0765983378373E+16

Sphere

Radius = n
Volume 2.2510884171789E+24
Surface area 8.306393351349E+16
Circumference 510835632.37528

Square

Length = n
Perimeter 325208064
Area 6610017805664256
Diagonal 114978413.67547

Cube

Length = n
Surface area 39660106833985536
Volume 5.374077733964E+23
Space diagonal 140819222.46978

Equilateral Triangle

Length = n
Perimeter 243906048
Area 2.8622216695864E+15
Altitude 70409611.234889

Triangular Pyramid

Length = n
Surface area 2.8622216695864E+15
Volume 6.3334113471826E+22
Height 38326137.891825