81504906 (number)

81504906 is an even 8-digits composite number following 81504905 and preceding 81504907. In scientific notation, it is written as 8.1504906 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 64 positive divisors. There are 22095360 positive integers (up to 81504906) that are relatively prime to 81504906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1504906 × 10^7
Engineering notation 8.1504906 × 10^6

Prime Factorization of 81504906

Prime Factorization 2 × 3 × 7 × 29 × 61 × 1097

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81504906
Product of the distinct prime numbers

The prime factorization of 81504906 is 2 × 3 × 7 × 29 × 61 × 1097. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 78, 72, 80, 885, 2793, 2414, 26388, 13866, 407587, 92487, 2015798, 5333970, 14699349, 44830894, 747669952, 193925849, 7256560328, 2556897995

Basic calculations (n = 81504906)

Multiplication

n×y
n×2 163009812
n×3 244514718
n×4 326019624
n×5 407524530

Division

n÷y
n÷2 40752453
n÷3 27168302
n÷3 20376226.5
n÷5 16300981.2

Exponentiation

ny
n2 6643049702068836
n3 5.4144114152045E+23
n4 4.4130109344157E+31
n5 3.5968204138652E+39

Nth Root

y√n
2√n 9028.0067567542
3√n 433.57202247849
4√n 95.015823717706
5√n 38.215253971957

Divisors of 81504906

1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 61, 87, 122, 174, 183, 203, 366, 406, 427, 609, 854, 1097, 1218, 1281, 1769, 2194, 2562, 3291, 3538, 5307, 6582, 7679, 10614, 12383, 15358, 23037, 24766, 31813, 37149, 46074, 63626, 66917, 74298, 95439, 133834, 190878, 200751, 222691, 401502, 445382, 468419, 668073, 936838, 1336146, 1405257, 1940593, 2810514, 3881186, 5821779, 11643558, 13584151, 27168302, 40752453, 81504906

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81504905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81504906 can be divided by 64 positive divisors. The sum of these divisors (counting 81504906) is 1, the average is 0.015625.

Base conversion 81504906

Base System Value
2 Binary 100110110111010101010001010
3 Ternary 12200100212201020
4 Quaternary 10312322222022
5 Quinary 131331124111
6 Senary 12030533310
8 Octal 466725212
10 Decimal 81504906
12 Duodecimal 23367236
16 Hexadecimal 4dbaa8a
20 Vigesimal 1598256
36 Base36 1cixl6

Cryptographic Hash Functions

md5 0c4d15cf57a52eb05b7ec23fa40b15c8
sha1 c98dbb09b42be09142b11714a708cb961909134a
sha256 796b9471ade8fcb4710b53a655637eeeda4d4d5af7da008461c207b0b54c91b6
sha512 55a0f31c112a03a801cd86ab2a402d7eef2b379b7d4cd95a53b7d43e4b327aa321e78ca6f26b46c0157df1c7464f7cff8f97ba18603b5a583a8360d3a40dce6c
ripemd-160 3d4b6bda925947f62644bb8baa0bcf52cf5e74e4

81504906 as geometric shapes

Circle

Radius = n
Diameter 163009812
Circumference 512110427.84225
Area 2.0869756141451E+16

Sphere

Radius = n
Volume 2.2679833500692E+24
Surface area 8.3479024565805E+16
Circumference 512110427.84225

Square

Length = n
Perimeter 326019624
Area 6643049702068836
Diagonal 115265343.46514

Cube

Length = n
Surface area 39858298212413016
Volume 5.4144114152045E+23
Space diagonal 141170638.25813

Equilateral Triangle

Length = n
Perimeter 244514718
Area 2.8765249002971E+15
Altitude 70585319.129063

Triangular Pyramid

Length = n
Surface area 2.8765249002971E+15
Volume 6.3809450463749E+22
Height 38421781.155048