81014728 (number)

81014728 is an even 8-digits composite number following 81014727 and preceding 81014729. In scientific notation, it is written as 8.1014728 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 40445328 positive integers (up to 81014728) that are relatively prime to 81014728.

Interesting facts

Basic properties

Name

Name eighty-one million fourteen thousand seven hundred twenty-eight

Notation

Scientific notation 8.1014728 × 10^7
Engineering notation 8.1014728 × 10^6

Prime Factorization of 81014728

Prime Factorization 2 × 2 × 2 × 683 × 14827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20253682
Product of the distinct prime numbers

The prime factorization of 81014728 is 2 × 2 × 2 × 683 × 14827. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 90, 29, 884, 714, 8876, 5269, 35313, 441, 507209, 696039, 6900379, 176530, 24371081, 45413824, 483122619, 635035874, 7627394131, 5958149332

Basic calculations (n = 81014728)

Multiplication

n×y
n×2 162029456
n×3 243044184
n×4 324058912
n×5 405073640

Division

n÷y
n÷2 40507364
n÷3 27004909.333333
n÷3 20253682
n÷5 16202945.6

Exponentiation

ny
n2 6563386152913984
n3 5.3173094393729E+23
n4 4.3078037792263E+31
n5 3.4899555145139E+39

Nth Root

y√n
2√n 9000.8181850318
3√n 432.70109351738
4√n 94.872641920797
5√n 38.169176983386

Divisors of 81014728

1, 2, 4, 8, 683, 1366, 2732, 5464, 14827, 29654, 59308, 118616, 10126841, 20253682, 40507364, 81014728

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 -81014727
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 81014728 can be divided by 16 positive divisors. The sum of these divisors (counting 81014728) is 1, the average is 0.0625.

Base conversion 81014728

Base System Value
2 Binary 100110101000010111111001000
3 Ternary 12122102222022111
4 Quaternary 10311002333020
5 Quinary 131214432403
6 Senary 12012232104
8 Octal 465027710
10 Decimal 81014728
12 Duodecimal 2316b634
16 Hexadecimal 4d42fc8
20 Vigesimal 1566gg8
36 Base36 1c8fd4

Cryptographic Hash Functions

md5 7e9b7566d9322f4549ef165c5b4c5fd0
sha1 4e3d64bd680bd55eeb99005f01461e816075fe17
sha256 f8672504a1aaa950fa1734161351f759d4502a16e329ab94ddece33c3ede820c
sha512 e8b55e614ca62f3a42ce2ae140713d57d06435060b471dcd5d670bea056f278f0ddbc1afe7f1e5059c9fe2a442b09f6f840811d3116db687a858680cb1062284
ripemd-160 2f344f4454205ca07906446d32292356c98a817f

81014728 as geometric shapes

Circle

Radius = n
Diameter 162029456
Circumference 509030548.63475
Area 2.0619485720668E+16

Sphere

Radius = n
Volume 2.2273093695464E+24
Surface area 8.247794288267E+16
Circumference 509030548.63475

Square

Length = n
Perimeter 324058912
Area 6563386152913984
Diagonal 114572127.08957

Cube

Length = n
Surface area 39380316917483904
Volume 5.3173094393729E+23
Space diagonal 140321625.05737

Equilateral Triangle

Length = n
Perimeter 243044184
Area 2.8420295716353E+15
Altitude 70160812.528686

Triangular Pyramid

Length = n
Surface area 2.8420295716353E+15
Volume 6.2665092704131E+22
Height 38190709.029856