81008077 (number)

81008077 is an odd 8-digits composite number following 81008076 and preceding 81008078. In scientific notation, it is written as 8.1008077 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 72229824 positive integers (up to 81008077) that are relatively prime to 81008077.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand seventy-seven

Notation

Scientific notation 8.1008077 × 10^7
Engineering notation 8.1008077 × 10^6

Prime Factorization of 81008077

Prime Factorization 17 × 19 × 250799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81008077
Product of the distinct prime numbers

The prime factorization of 81008077 is 17 × 19 × 250799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81008077)

Multiplication

n×y
n×2 162016154
n×3 243024231
n×4 324032308
n×5 405040385

Division

n÷y
n÷2 40504038.5
n÷3 27002692.333333
n÷3 20252019.25
n÷5 16201615.4

Exponentiation

ny
n2 6562308539237929
n3 5.3159999544434E+23
n4 4.3063893364155E+31
n5 3.4885231895633E+39

Nth Root

y√n
2√n 9000.4487110366
3√n 432.68925215716
4√n 94.870694690387
5√n 38.168550254051

Divisors of 81008077

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008076
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008077 can be divided by 8 positive divisors. The sum of these divisors (counting 81008077) is 1, the average is 0.125.

Base conversion 81008077

Base System Value
2 Binary 100110101000001010111001101
3 Ternary 12122102122012011
4 Quaternary 10311001113031
5 Quinary 131214224302
6 Senary 12012141221
8 Octal 465012715
10 Decimal 81008077
12 Duodecimal 23167811
16 Hexadecimal 4d415cd
20 Vigesimal 156603h
36 Base36 1c8a8d

Cryptographic Hash Functions

md5 0c5162bbd7819d2907a1d07a8005b5bf
sha1 76ededcca0db6547abbce6d5adf092ff911eb05f
sha256 977840f94dd9ac2b82f2f06692e882395517ac6b6170e3282040350cd90aa656
sha512 439f936b9af0cf6a71d5d8cda37f6bcadf5b12df04493a384c5ee1e9077861a33e9824c9c91b558da6a1fa9941220a7cce28573c44b6396915178b380800d5ca
ripemd-160 40b3bf084817d6b74e5fcd360c1e00e86d66fd56

81008077 as geometric shapes

Circle

Radius = n
Diameter 162016154
Circumference 508988759.16927
Area 2.0616100297459E+16

Sphere

Radius = n
Volume 2.2267608537818E+24
Surface area 8.2464401189838E+16
Circumference 508988759.16927

Square

Length = n
Perimeter 324032308
Area 6562308539237929
Diagonal 114562721.15516

Cube

Length = n
Surface area 39373851235427574
Volume 5.3159999544434E+23
Space diagonal 140310105.18745

Equilateral Triangle

Length = n
Perimeter 243024231
Area 2.8415629512258E+15
Altitude 70155052.593726

Triangular Pyramid

Length = n
Surface area 2.8415629512258E+15
Volume 6.2649660276239E+22
Height 38187573.718388