81445833 (number)

81445833 is an odd 8-digits composite number following 81445832 and preceding 81445834. In scientific notation, it is written as 8.1445833 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 44934624 positive integers (up to 81445833) that are relatively prime to 81445833.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-five thousand eight hundred thirty-three

Notation

Scientific notation 8.1445833 × 10^7
Engineering notation 8.1445833 × 10^6

Prime Factorization of 81445833

Prime Factorization 87 × 7 × 3 × 44579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81445833
Product of the distinct prime numbers

The prime factorization of 81445833 is 87 × 7 × 3 × 44579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 76, 13, 637, 95, 5582, 9234, 6858, 77751, 885427, 532350, 4913729, 6208594, 34207667, 39503835, 163839114, 349202530, 4230432281, 4426279393

Basic calculations (n = 81445833)

Multiplication

n×y
n×2 162891666
n×3 244337499
n×4 325783332
n×5 407229165

Division

n÷y
n÷2 40722916.5
n÷3 27148611
n÷3 20361458.25
n÷5 16289166.6

Exponentiation

ny
n2 6633423713063889
n3 5.4026471995244E+23
n4 4.4002310157038E+31
n5 3.5838048046643E+39

Nth Root

y√n
2√n 9024.7345113305
3√n 433.46724927482
4√n 94.998602680937
5√n 38.209712846728

Divisors of 81445833

1, 3, 7, 21, 87, 261, 609, 1827, 44579, 133737, 312053, 936159, 3878373, 11635119, 27148611, 81445833

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81445832
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81445833 can be divided by 16 positive divisors. The sum of these divisors (counting 81445833) is 1, the average is 0.0625.

Base conversion 81445833

Base System Value
2 Binary 100110110101100001111001001
3 Ternary 12200020212200100
4 Quaternary 10312230033021
5 Quinary 131322231313
6 Senary 12025400013
8 Octal 466541711
10 Decimal 81445833
12 Duodecimal 23339009
16 Hexadecimal 4dac3c9
20 Vigesimal 1590ebd
36 Base36 1cho09

Cryptographic Hash Functions

md5 3770abb8b731153ecb02055e89e7fba6
sha1 e34c64c74d3d8c42b3e8f68b104be32b1110ff47
sha256 0dfd5c50ceda90c4203541c2a7efcc520d9682944500802b4fd50baa278bfe56
sha512 6c600a90b9708e06b2014ed92c30e9dffca7b46ccae8b8067d5b2e2a1e0ecd71880cb1e14c1f0597db185b3d58c7ff80024149648f40d08fade4569d9e3a10d4
ripemd-160 a565b520a39c93c7caeff94cc01467a29146c6f7

81445833 as geometric shapes

Circle

Radius = n
Diameter 162891666
Circumference 511739261.2366
Area 2.083951520511E+16

Sphere

Radius = n
Volume 2.2630555669284E+24
Surface area 8.3358060820439E+16
Circumference 511739261.2366

Square

Length = n
Perimeter 325783332
Area 6633423713063889
Diagonal 115181801.62737

Cube

Length = n
Surface area 39800542278383334
Volume 5.4026471995244E+23
Space diagonal 141068320.82077

Equilateral Triangle

Length = n
Perimeter 244337499
Area 2.8723567247897E+15
Altitude 70534160.410385

Triangular Pyramid

Length = n
Surface area 2.8723567247897E+15
Volume 6.367080785237E+22
Height 38393933.875791