81650894 (number)

81650894 is an even 8-digits composite number following 81650893 and preceding 81650895. In scientific notation, it is written as 8.1650894 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 36523872 positive integers (up to 81650894) that are relatively prime to 81650894.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand eight hundred ninety-four

Notation

Scientific notation 8.1650894 × 10^7
Engineering notation 8.1650894 × 10^6

Prime Factorization of 81650894

Prime Factorization 2 × 43 × 13 × 199 × 367

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81650894
Product of the distinct prime numbers

The prime factorization of 81650894 is 2 × 43 × 13 × 199 × 367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 77, 58, 760, 596, 3710, 6160, 82704, 42801, 126144, 302657, 1035724, 8096238, 32599671, 59768888, 926599960, 139967335, 9649023086, 4866234286

Basic calculations (n = 81650894)

Multiplication

n×y
n×2 163301788
n×3 244952682
n×4 326603576
n×5 408254470

Division

n÷y
n÷2 40825447
n÷3 27216964.666667
n÷3 20412723.5
n÷5 16330178.8

Exponentiation

ny
n2 6666868490999236
n3 5.4435577247052E+23
n4 4.4447135476278E+31
n5 3.6291483473772E+39

Nth Root

y√n
2√n 9036.0884236488
3√n 433.83073311687
4√n 95.05834220966
5√n 38.228934070345

Divisors of 81650894

1, 2, 13, 26, 43, 86, 199, 367, 398, 559, 734, 1118, 2587, 4771, 5174, 8557, 9542, 15781, 17114, 31562, 73033, 111241, 146066, 205153, 222482, 410306, 949429, 1898858, 3140419, 6280838, 40825447, 81650894

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81650893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81650894 can be divided by 32 positive divisors. The sum of these divisors (counting 81650894) is 1, the average is 0.03125.

Base conversion 81650894

Base System Value
2 Binary 100110111011110010011001110
3 Ternary 12200122021222012
4 Quaternary 10313132103032
5 Quinary 131400312034
6 Senary 12034021222
8 Octal 467362316
10 Decimal 81650894
12 Duodecimal 23417812
16 Hexadecimal 4dde4ce
20 Vigesimal 15a674e
36 Base36 1cm28e

Cryptographic Hash Functions

md5 eab56e1c01be939651424991568b7f7f
sha1 006e6da571a2e3c6f2f6c914285073f003106dbe
sha256 8e1494a99a6d8c19c509fcfcd21c46af88efdb1e7d166ef7b59a9fefa96b759b
sha512 1ef8a1f826ed2d196daaeeb5d7505e256826bca7e70d29441f68cd89ab193aa09d24479a99c24cb1377fb8b08a87b17d9e2100346aaa19a018f2b7e66f89fd20
ripemd-160 556b726562f1dc0c9640236ab85ca169b11c0493

81650894 as geometric shapes

Circle

Radius = n
Diameter 163301788
Circumference 513027697.49888
Area 2.0944585073772E+16

Sphere

Radius = n
Volume 2.2801921276434E+24
Surface area 8.377834029509E+16
Circumference 513027697.49888

Square

Length = n
Perimeter 326603576
Area 6666868490999236
Diagonal 115471801.67469

Cube

Length = n
Surface area 40001210945995416
Volume 5.4435577247052E+23
Space diagonal 141423496.89142

Equilateral Triangle

Length = n
Perimeter 244952682
Area 2.8868387384477E+15
Altitude 70711748.44571

Triangular Pyramid

Length = n
Surface area 2.8868387384477E+15
Volume 6.4152943015324E+22
Height 38490600.558229