81189504 (number)

81189504 is an even 8-digits composite number following 81189503 and preceding 81189505. In scientific notation, it is written as 8.1189504 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 64 positive divisors. There are 23869440 positive integers (up to 81189504) that are relatively prime to 81189504.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1189504 × 10^7
Engineering notation 8.1189504 × 10^6

Prime Factorization of 81189504

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 387 × 11 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1268586
Product of the distinct prime numbers

The prime factorization of 81189504 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 387 × 11 × 149. Since it has a total of 10 prime factors.

Most popular turbo-numbers

10, 5, 83, 51, 815, 807, 2112, 6958, 58293, 24811, 219631, 838559, 9077560, 4825371, 87880057, 22339855, 880227926, 653062788, 459505409, 4329280692

Basic calculations (n = 81189504)

Multiplication

n×y
n×2 162379008
n×3 243568512
n×4 324758016
n×5 405947520

Division

n÷y
n÷2 40594752
n÷3 27063168
n÷3 20297376
n÷5 16237900.8

Exponentiation

ny
n2 6591735559766016
n3 5.3517974059657E+23
n4 4.3450977689884E+31
n5 3.5277633269567E+39

Nth Root

y√n
2√n 9010.5218494824
3√n 433.01203059377
4√n 94.923768622418
5√n 38.185631539235

Divisors of 81189504

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 149, 176, 298, 352, 387, 596, 704, 774, 1192, 1408, 1548, 1639, 2384, 3096, 3278, 4257, 4768, 6192, 6556, 8514, 9536, 12384, 13112, 17028, 19072, 24768, 26224, 34056, 49536, 52448, 57663, 68112, 104896, 115326, 136224, 209792, 230652, 272448, 461304, 544896, 634293, 922608, 1268586, 1845216, 2537172, 3690432, 5074344, 7380864, 10148688, 20297376, 40594752, 81189504

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 -81189503
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 81189504 can be divided by 64 positive divisors. The sum of these divisors (counting 81189504) is 1, the average is 0.015625.

Base conversion 81189504

Base System Value
2 Binary 100110101101101101010000000
3 Ternary 12122202212001200
4 Quaternary 10311231222000
5 Quinary 131241031004
6 Senary 12020101200
8 Octal 465555200
10 Decimal 81189504
12 Duodecimal 23234800
16 Hexadecimal 4d6da80
20 Vigesimal 1578df4
36 Base36 1cc680

Cryptographic Hash Functions

md5 71fc7ac8f08a639dd41d3b58db76ddd6
sha1 75e5764e6e8d0fc605e945bbb2f2617ccc01b4b2
sha256 2c3aac2554ed2a242b60482db8d6afea2d035a12119ab04f89c7a19ef0fe47a6
sha512 cc05b0e0fad35712ef76a02d64724ce73c4ce670c2305a3528efb411266a92abb6f1cddbad71b7e6cd79e9be87426b7ceb629dbf779cc7db6e4b23c66b04a769
ripemd-160 52b8e21f28ff4ec8366b2d155d2d033e07b5392a

81189504 as geometric shapes

Circle

Radius = n
Diameter 162379008
Circumference 510128698.63
Area 2.0708548008968E+16

Sphere

Radius = n
Volume 2.241755655211E+24
Surface area 8.283419203587E+16
Circumference 510128698.63

Square

Length = n
Perimeter 324758016
Area 6591735559766016
Diagonal 114819297.67914

Cube

Length = n
Surface area 39550413358596096
Volume 5.3517974059657E+23
Space diagonal 140624345.96932

Equilateral Triangle

Length = n
Perimeter 243568512
Area 2.8543052248933E+15
Altitude 70312172.984658

Triangular Pyramid

Length = n
Surface area 2.8543052248933E+15
Volume 6.3071537288248E+22
Height 38273099.226382