81504654 (number)

81504654 is an even 8-digits composite number following 81504653 and preceding 81504655. In scientific notation, it is written as 8.1504654 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 21169920 positive integers (up to 81504654) that are relatively prime to 81504654.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred four thousand six hundred fifty-four

Notation

Scientific notation 8.1504654 × 10^7
Engineering notation 8.1504654 × 10^6

Prime Factorization of 81504654

Prime Factorization 2 × 3 × 7 × 11 × 176417

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81504654
Product of the distinct prime numbers

The prime factorization of 81504654 is 2 × 3 × 7 × 11 × 176417. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81504654)

Multiplication

n×y
n×2 163009308
n×3 244513962
n×4 326018616
n×5 407523270

Division

n÷y
n÷2 40752327
n÷3 27168218
n÷3 20376163.5
n÷5 16300930.8

Exponentiation

ny
n2 6643008623659716
n3 5.414361193904E+23
n4 4.4129563574017E+31
n5 3.5967648102713E+39

Nth Root

y√n
2√n 9027.9928001744
3√n 433.57157563315
4√n 95.015750274227
5√n 38.21523034085

Divisors of 81504654

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81504653
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81504654 can be divided by 32 positive divisors. The sum of these divisors (counting 81504654) is 1, the average is 0.03125.

Base conversion 81504654

Base System Value
2 Binary 100110110111010100110001110
3 Ternary 12200100212100220
4 Quaternary 10312322212032
5 Quinary 131331122104
6 Senary 12030532210
8 Octal 466724616
10 Decimal 81504654
12 Duodecimal 23367066
16 Hexadecimal 4dba98e
20 Vigesimal 15981ce
36 Base36 1cixe6

Cryptographic Hash Functions

md5 161ffc058475526fccd9c790c2e4bed7
sha1 65a45ff1fd82fa8d250d061391049cb470d17697
sha256 6b9831adc3543652237b4a0aabe4c5966552f365818fc5f5d715cad32f77917f
sha512 d68c1ed779be7c7d6f65a31d75818c892ae1967d6e1a2e9bdf402a87c3d7566bb195569b734a7632b78354fdb4faa14428a596eb91d277cfb3c0c1a837d9409d
ripemd-160 8205db3ae5dd1168c09f2b0a1a5ceeb484446cd9

81504654 as geometric shapes

Circle

Radius = n
Diameter 163009308
Circumference 512108844.47956
Area 2.0869627089823E+16

Sphere

Radius = n
Volume 2.2679623134201E+24
Surface area 8.3478508359292E+16
Circumference 512108844.47956

Square

Length = n
Perimeter 326018616
Area 6643008623659716
Diagonal 115264987.08333

Cube

Length = n
Surface area 39858051741958296
Volume 5.414361193904E+23
Space diagonal 141170201.78132

Equilateral Triangle

Length = n
Perimeter 244513962
Area 2.8765071128242E+15
Altitude 70585100.890661

Triangular Pyramid

Length = n
Surface area 2.8765071128242E+15
Volume 6.3808858600047E+22
Height 38421662.361109