81303609 (number)

81303609 is an odd 8-digits composite number following 81303608 and preceding 81303610. In scientific notation, it is written as 8.1303609 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 53555712 positive integers (up to 81303609) that are relatively prime to 81303609.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred three thousand six hundred nine

Notation

Scientific notation 8.1303609 × 10^7
Engineering notation 8.1303609 × 10^6

Prime Factorization of 81303609

Prime Factorization 3 × 137 × 337 × 587

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81303609
Product of the distinct prime numbers

The prime factorization of 81303609 is 3 × 137 × 337 × 587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81303609)

Multiplication

n×y
n×2 162607218
n×3 243910827
n×4 325214436
n×5 406518045

Division

n÷y
n÷2 40651804.5
n÷3 27101203
n÷3 20325902.25
n÷5 16260721.8

Exponentiation

ny
n2 6610276836424881
n3 5.3743936329045E+23
n4 4.3695759854175E+31
n5 3.5526229741418E+39

Nth Root

y√n
2√n 9016.8513905908
3√n 433.21478959882
4√n 94.957102896997
5√n 38.196358847276

Divisors of 81303609

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 -81303608
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 81303609 can be divided by 16 positive divisors. The sum of these divisors (counting 81303609) is 1, the average is 0.0625.

Base conversion 81303609

Base System Value
2 Binary 100110110001001100000111001
3 Ternary 12122222122120210
4 Quaternary 10312021200321
5 Quinary 131303203414
6 Senary 12022341333
8 Octal 466114071
10 Decimal 81303609
12 Duodecimal 2328a849
16 Hexadecimal 4d89839
20 Vigesimal 1582j09
36 Base36 1cem9l

Cryptographic Hash Functions

md5 771d989bab304801fe96160c46915cb2
sha1 cc51211ee4a8657ecf4aeff4d4fddc13f92f05f0
sha256 6f152f89c478a29ca320390d53e0fb48fee002de036cbafe2bd1b243f7353492
sha512 0753a6bedfddbca33a4735b994f453790b5a12312a494356d732a5fdba0820be93f5663fb1ed82e36d88e57c91e8ef2122167bb901cf9c1a913851afbe664ce3
ripemd-160 a2226be21913ac5fed9216649d904456a7edc836

81303609 as geometric shapes

Circle

Radius = n
Diameter 162607218
Circumference 510845641.48947
Area 2.0766797147507E+16

Sphere

Radius = n
Volume 2.2512207406177E+24
Surface area 8.3067188590029E+16
Circumference 510845641.48947

Square

Length = n
Perimeter 325214436
Area 6610276836424881
Diagonal 114980666.51768

Cube

Length = n
Surface area 39661661018549286
Volume 5.3743936329045E+23
Space diagonal 140821981.62671

Equilateral Triangle

Length = n
Perimeter 243910827
Area 2.8623338331959E+15
Altitude 70410990.813357

Triangular Pyramid

Length = n
Surface area 2.8623338331959E+15
Volume 6.3337836376542E+22
Height 38326888.839226