81008066 (number)

81008066 is an even 8-digits composite number following 81008065 and preceding 81008067. In scientific notation, it is written as 8.1008066 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 40014000 positive integers (up to 81008066) that are relatively prime to 81008066.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand sixty-six

Notation

Scientific notation 8.1008066 × 10^7
Engineering notation 8.1008066 × 10^6

Prime Factorization of 81008066

Prime Factorization 2 × 163 × 1301 × 191

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81008066
Product of the distinct prime numbers

The prime factorization of 81008066 is 2 × 163 × 1301 × 191. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 53, 86, 867, 981, 2645, 2153, 90908, 34417, 820527, 633122, 5141653, 366241, 50735893, 81412091, 777839516, 254024520, 663875527, 4194808527

Basic calculations (n = 81008066)

Multiplication

n×y
n×2 162016132
n×3 243024198
n×4 324032264
n×5 405040330

Division

n÷y
n÷2 40504033
n÷3 27002688.666667
n÷3 20252016.5
n÷5 16201613.2

Exponentiation

ny
n2 6562306757060356
n3 5.3159977888819E+23
n4 4.306386997376E+31
n5 3.4885208210498E+39

Nth Root

y√n
2√n 9000.4480999559
3√n 432.68923257236
4√n 94.870691469789
5√n 38.168549217478

Divisors of 81008066

1, 2, 163, 191, 326, 382, 1301, 2602, 31133, 62266, 212063, 248491, 424126, 496982, 40504033, 81008066

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 -81008065
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 81008066 can be divided by 16 positive divisors. The sum of these divisors (counting 81008066) is 1, the average is 0.0625.

Base conversion 81008066

Base System Value
2 Binary 100110101000001010111000010
3 Ternary 12122102122011202
4 Quaternary 10311001113002
5 Quinary 131214224231
6 Senary 12012141202
8 Octal 465012702
10 Decimal 81008066
12 Duodecimal 23167802
16 Hexadecimal 4d415c2
20 Vigesimal 1566036
36 Base36 1c8a82

Cryptographic Hash Functions

md5 40fdb16f0bc1edf5feeff05494f25e23
sha1 69b80a9c4434382c2c8e2dc0c3535ea5612a9bbe
sha256 4ca98700cd0b9f1b40390a9a4a554a3b77b75f0b64076dce36a5bde8f29f13e5
sha512 6b5e3bf8503c5fc03e0f7c40726fd5531929feb7a8d4986a558b1351090a877f18253e8db2aab627028a1396ee54b537e401eba10c2887de703c7bbb536cad7e
ripemd-160 314e9aa2e25e38ab0090f61a1a5ccfa2392dedad

81008066 as geometric shapes

Circle

Radius = n
Diameter 162016132
Circumference 508988690.05423
Area 2.0616094698583E+16

Sphere

Radius = n
Volume 2.2267599466735E+24
Surface area 8.2464378794334E+16
Circumference 508988690.05423

Square

Length = n
Perimeter 324032264
Area 6562306757060356
Diagonal 114562705.59881

Cube

Length = n
Surface area 39373840542362136
Volume 5.3159977888819E+23
Space diagonal 140310086.13489

Equilateral Triangle

Length = n
Perimeter 243024198
Area 2.8415621795203E+15
Altitude 70155043.067446

Triangular Pyramid

Length = n
Surface area 2.8415621795203E+15
Volume 6.2649634754852E+22
Height 38187568.532938