81682005 (number)

81682005 is an odd 8-digits composite number following 81682004 and preceding 81682006. In scientific notation, it is written as 8.1682005 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 42636480 positive integers (up to 81682005) that are relatively prime to 81682005.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-two thousand five

Notation

Scientific notation 8.1682005 × 10^7
Engineering notation 8.1682005 × 10^6

Prime Factorization of 81682005

Prime Factorization 3 × 5 × 47 × 115861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81682005
Product of the distinct prime numbers

The prime factorization of 81682005 is 3 × 5 × 47 × 115861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 15, 30, 506, 587, 9834, 9015, 94838, 46803, 663966, 304720, 7415398, 1768181, 37278440, 68269860, 827221753, 547614319, 7279599433, 1284152534

Basic calculations (n = 81682005)

Multiplication

n×y
n×2 163364010
n×3 245046015
n×4 326728020
n×5 408410025

Division

n÷y
n÷2 40841002.5
n÷3 27227335
n÷3 20420501.25
n÷5 16336401

Exponentiation

ny
n2 6671949940820025
n3 5.4497824842581E+23
n4 4.4514916012808E+31
n5 3.6360675923328E+39

Nth Root

y√n
2√n 9037.8097457293
3√n 433.88582618208
4√n 95.067395808076
5√n 38.231846859376

Divisors of 81682005

1, 3, 5, 15, 47, 141, 235, 705, 115861, 347583, 579305, 1737915, 5445467, 16336401, 27227335, 81682005

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 -81682004
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 81682005 can be divided by 16 positive divisors. The sum of these divisors (counting 81682005) is 1, the average is 0.0625.

Base conversion 81682005

Base System Value
2 Binary 100110111100101111001010101
3 Ternary 12200200212122110
4 Quaternary 10313211321111
5 Quinary 131402311010
6 Senary 12034421233
8 Octal 467457125
10 Decimal 81682005
12 Duodecimal 23431819
16 Hexadecimal 4de5e55
20 Vigesimal 15aa505
36 Base36 1cmq8l

Cryptographic Hash Functions

md5 c6a824f96dc9b96326de56cb4ec54c3d
sha1 c912fad38e0af2b0fe763fabae980ee5b4469f43
sha256 06677d5c4d555714d8db02b96c4bc2c186aaa3b4449189a6d0d149946ba72423
sha512 47c98489c0785797c53d6bcb6cb5bc106dc3ea21a51efcec479f327f3ca0eb51b7c05ea4962196babf9687a302217347599bef63b8d75606c7c0b3eb667cae3a
ripemd-160 330b180d87373424f2daa30c77cd1f3c73a384ff

81682005 as geometric shapes

Circle

Radius = n
Diameter 163364010
Circumference 513223173.67697
Area 2.0960548919199E+16

Sphere

Radius = n
Volume 2.2827995488277E+24
Surface area 8.3842195676796E+16
Circumference 513223173.67697

Square

Length = n
Perimeter 326728020
Area 6671949940820025
Diagonal 115515799.27283

Cube

Length = n
Surface area 40031699644920150
Volume 5.4497824842581E+23
Space diagonal 141477382.7241

Equilateral Triangle

Length = n
Perimeter 245046015
Area 2.8890390707641E+15
Altitude 70738691.362048

Triangular Pyramid

Length = n
Surface area 2.8890390707641E+15
Volume 6.4226302510176E+22
Height 38505266.424276