81582007 (number)

81582007 is an odd 8-digits composite number following 81582006 and preceding 81582008. In scientific notation, it is written as 8.1582007 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 75306456 positive integers (up to 81582007) that are relatively prime to 81582007.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1582007 × 10^7
Engineering notation 8.1582007 × 10^6

Prime Factorization of 81582007

Prime Factorization 13 × 6275539

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81582007
Product of the distinct prime numbers

The prime factorization of 81582007 is 13 × 6275539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81582007)

Multiplication

n×y
n×2 163164014
n×3 244746021
n×4 326328028
n×5 407910035

Division

n÷y
n÷2 40791003.5
n÷3 27194002.333333
n÷3 20395501.75
n÷5 16316401.4

Exponentiation

ny
n2 6655623866148049
n3 5.4297915283746E+23
n4 4.4297329047639E+31
n5 3.6138650084458E+39

Nth Root

y√n
2√n 9032.275848312
3√n 433.70869441975
4√n 95.038286223564
5√n 38.222481316128

Divisors of 81582007

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81582006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81582007 can be divided by 4 positive divisors. The sum of these divisors (counting 81582007) is 1, the average is 0.25.

Base conversion 81582007

Base System Value
2 Binary 100110111001101011110110111
3 Ternary 12200111210110211
4 Quaternary 10313031132313
5 Quinary 131341111012
6 Senary 12032330251
8 Octal 467153667
10 Decimal 81582007
12 Duodecimal 233a3987
16 Hexadecimal 4dcd7b7
20 Vigesimal 159hf07
36 Base36 1ckl2v

Cryptographic Hash Functions

md5 8ad5523c33017cf78a1b81b6af3c0e82
sha1 111f549d33d264fede69c2e585fdbdf5f037edcc
sha256 2672422c063227a094181c970881159a1927237bd017311bea8636fb5988c43b
sha512 cca112f7f20b33d659a4e7bf70c5c167b035d793ea4c94b91aa25de3503146f94322f07fefe3b33fce20d4b314fa380b5bce8a2baafba670dc28b69d24d0e0c3
ripemd-160 a4850cd1b8ff0a5f6a55d143c9c21a63b35fae9b

81582007 as geometric shapes

Circle

Radius = n
Diameter 163164014
Circumference 512594867.71262
Area 2.0909259042948E+16

Sphere

Radius = n
Volume 2.2744257568088E+24
Surface area 8.363703617179E+16
Circumference 512594867.71262

Square

Length = n
Perimeter 326328028
Area 6655623866148049
Diagonal 115374380.74502

Cube

Length = n
Surface area 39933743196888294
Volume 5.4297915283746E+23
Space diagonal 141304181.10744

Equilateral Triangle

Length = n
Perimeter 244746021
Area 2.8819696730591E+15
Altitude 70652090.55372

Triangular Pyramid

Length = n
Surface area 2.8819696730591E+15
Volume 6.3990706835715E+22
Height 38458126.915006