81392016 (number)

81392016 is an even 8-digits composite number following 81392015 and preceding 81392017. In scientific notation, it is written as 8.1392016 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 26976256 positive integers (up to 81392016) that are relatively prime to 81392016.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred ninety-two thousand sixteen

Notation

Scientific notation 8.1392016 × 10^7
Engineering notation 8.1392016 × 10^6

Prime Factorization of 81392016

Prime Factorization 2 × 2 × 2 × 2 × 3 × 179 × 9473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10174002
Product of the distinct prime numbers

The prime factorization of 81392016 is 2 × 2 × 2 × 2 × 3 × 179 × 9473. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 1, 91, 23, 497, 592, 8244, 2344, 82936, 17685, 256422, 889880, 2106673, 5420068, 99758678, 87079309, 28579546, 67893675, 5531567932, 9428719413

Basic calculations (n = 81392016)

Multiplication

n×y
n×2 162784032
n×3 244176048
n×4 325568064
n×5 406960080

Division

n÷y
n÷2 40696008
n÷3 27130672
n÷3 20348004
n÷5 16278403.2

Exponentiation

ny
n2 6624660268544256
n3 5.3919445457192E+23
n4 4.3886123673629E+31
n5 3.571980080222E+39

Nth Root

y√n
2√n 9021.7523796655
3√n 433.37175412133
4√n 94.982905723427
5√n 38.204661941699

Divisors of 81392016

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 179, 358, 537, 716, 1074, 1432, 2148, 2864, 4296, 8592, 9473, 18946, 28419, 37892, 56838, 75784, 113676, 151568, 227352, 454704, 1695667, 3391334, 5087001, 6782668, 10174002, 13565336, 20348004, 27130672, 40696008, 81392016

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81392015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81392016 can be divided by 40 positive divisors. The sum of these divisors (counting 81392016) is 1, the average is 0.025.

Base conversion 81392016

Base System Value
2 Binary 100110110011111000110010000
3 Ternary 12200011010212010
4 Quaternary 10312133012100
5 Quinary 131314021031
6 Senary 12024302520
8 Octal 466370620
10 Decimal 81392016
12 Duodecimal 23311a40
16 Hexadecimal 4d9f190
20 Vigesimal 158e00g
36 Base36 1cgihc

Cryptographic Hash Functions

md5 7307a629bda7a644e2f2fb537e3e74e0
sha1 6c8c7c7aedaf02c3a0051d27046c8dcfc26068cd
sha256 92aae404fa9dde4132657f9765b49d24019645a7569120aa490ef94d29cef584
sha512 893f4bf04deaf6d8ad37ee1e35f5d0bcd081c13e4b91d2248524d896c9da0541aa87755953e14b64725e7e2ce3133f5d8b9c79198717ea2b4894b51024c0b09b
ripemd-160 60b71ff676ea51d51f23986d656610e102527a51

81392016 as geometric shapes

Circle

Radius = n
Diameter 162784032
Circumference 511401119.05293
Area 2.0811984032187E+16

Sphere

Radius = n
Volume 2.258572449786E+24
Surface area 8.3247936128747E+16
Circumference 511401119.05293

Square

Length = n
Perimeter 325568064
Area 6624660268544256
Diagonal 115105692.89609

Cube

Length = n
Surface area 39747961611265536
Volume 5.3919445457192E+23
Space diagonal 140975107.04246

Equilateral Triangle

Length = n
Perimeter 244176048
Area 2.8685620420004E+15
Altitude 70487553.521229

Triangular Pyramid

Length = n
Surface area 2.8685620420004E+15
Volume 6.3544675867664E+22
Height 38368564.298696