81252983 (number)

81252983 is an odd 8-digits composite number following 81252982 and preceding 81252984. In scientific notation, it is written as 8.1252983 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 67243680 positive integers (up to 81252983) that are relatively prime to 81252983.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred fifty-two thousand nine hundred eighty-three

Notation

Scientific notation 8.1252983 × 10^7
Engineering notation 8.1252983 × 10^6

Prime Factorization of 81252983

Prime Factorization 7 × 29 × 400261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81252983
Product of the distinct prime numbers

The prime factorization of 81252983 is 7 × 29 × 400261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81252983)

Multiplication

n×y
n×2 162505966
n×3 243758949
n×4 325011932
n×5 406264915

Division

n÷y
n÷2 40626491.5
n÷3 27084327.666667
n÷3 20313245.75
n÷5 16250596.6

Exponentiation

ny
n2 6602047246398289
n3 5.364360326768E+23
n4 4.3587027843675E+31
n5 3.5415760324027E+39

Nth Root

y√n
2√n 9014.0436542098
3√n 433.12485310046
4√n 94.942317510211
5√n 38.191600852636

Divisors of 81252983

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 -81252982
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 81252983 can be divided by 8 positive divisors. The sum of these divisors (counting 81252983) is 1, the average is 0.125.

Base conversion 81252983

Base System Value
2 Binary 100110101111101001001110111
3 Ternary 12122220002010202
4 Quaternary 10311331021313
5 Quinary 131300043413
6 Senary 12021311115
8 Octal 465751167
10 Decimal 81252983
12 Duodecimal 2326549b
16 Hexadecimal 4d7d277
20 Vigesimal 157gc93
36 Base36 1cdj7b

Cryptographic Hash Functions

md5 bec1615235c790e3e6fb4dbd789d9134
sha1 19fa39cc945fb57b398f4274b121456c1cb9377e
sha256 1789f94d8571476af1c19ebe9a965bfa822428f8ad3a7fb90e110967735e5e42
sha512 73591646faaac6acb6927d9eda7886908480e7d823b9dd4b2c11f393fecedeb4718758d403ac7017762d54334bdcff062fd11c6d1d82cbc70d22c75961b7bdf5
ripemd-160 7a327f82bbba382110c90c01ff57fe3196efbb3e

81252983 as geometric shapes

Circle

Radius = n
Diameter 162505966
Circumference 510527548.95011
Area 2.0740943127938E+16

Sphere

Radius = n
Volume 2.247017999171E+24
Surface area 8.296377251175E+16
Circumference 510527548.95011

Square

Length = n
Perimeter 325011932
Area 6602047246398289
Diagonal 114909070.54187

Cube

Length = n
Surface area 39612283478389734
Volume 5.364360326768E+23
Space diagonal 140734294.82253

Equilateral Triangle

Length = n
Perimeter 243758949
Area 2.858770316183E+15
Altitude 70367147.411265

Triangular Pyramid

Length = n
Surface area 2.858770316183E+15
Volume 6.3219592729762E+22
Height 38303023.513957