81456084 (number)

81456084 is an even 8-digits composite number following 81456083 and preceding 81456085. In scientific notation, it is written as 8.1456084 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 27151992 positive integers (up to 81456084) that are relatively prime to 81456084.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1456084 × 10^7
Engineering notation 8.1456084 × 10^6

Prime Factorization of 81456084

Prime Factorization 2 × 2 × 27 × 754223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40728042
Product of the distinct prime numbers

The prime factorization of 81456084 is 2 × 2 × 27 × 754223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 81, 38, 268, 689, 2626, 3698, 91494, 74193, 625401, 847989, 9414238, 9697472, 60903854, 54522009, 676311053, 490312182, 6177736467, 7494753817

Basic calculations (n = 81456084)

Multiplication

n×y
n×2 162912168
n×3 244368252
n×4 325824336
n×5 407280420

Division

n÷y
n÷2 40728042
n÷3 27152028
n÷3 20364021
n÷5 16291216.8

Exponentiation

ny
n2 6635093620615056
n3 5.4046874330868E+23
n4 4.4024467354327E+31
n5 3.5860607108693E+39

Nth Root

y√n
2√n 9025.3024326058
3√n 433.48543431142
4√n 95.001591737222
5√n 38.210674634542

Divisors of 81456084

1, 2, 4, 27, 54, 108, 754223, 1508446, 3016892, 20364021, 40728042, 81456084

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81456083
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81456084 can be divided by 12 positive divisors. The sum of these divisors (counting 81456084) is 1, the average is 0.083333333333333.

Base conversion 81456084

Base System Value
2 Binary 100110110101110101111010100
3 Ternary 12200021101202000
4 Quaternary 10312232233110
5 Quinary 131323043314
6 Senary 12025515300
8 Octal 466565724
10 Decimal 81456084
12 Duodecimal 23342b30
16 Hexadecimal 4daebd4
20 Vigesimal 1592044
36 Base36 1chvx0

Cryptographic Hash Functions

md5 773e934e5fcc3bd95e05e534e091268a
sha1 7782782e97808d1ce0378c305b18c8160e9c55ce
sha256 5257f0c50938131a47b13b963a115fc407f6f279232e9f13d5ec88d4c15012f1
sha512 3ecf50870a6bb272b232c04d2df55ba189abbdf6ee4028262f134dede723df9254fc1c6924e1443687e22379e55b36287a3b0bded4dd869ddc6279cac1d779bf
ripemd-160 c41861e782c683a8c675a5907057027b52cb668d

81456084 as geometric shapes

Circle

Radius = n
Diameter 162912168
Circumference 511803670.16919
Area 2.0844761374405E+16

Sphere

Radius = n
Volume 2.2639101779646E+24
Surface area 8.3379045497619E+16
Circumference 511803670.16919

Square

Length = n
Perimeter 325824336
Area 6635093620615056
Diagonal 115196298.7306

Cube

Length = n
Surface area 39810561723690336
Volume 5.4046874330868E+23
Space diagonal 141086076.0736

Equilateral Triangle

Length = n
Perimeter 244368252
Area 2.8730798159704E+15
Altitude 70543038.036799

Triangular Pyramid

Length = n
Surface area 2.8730798159704E+15
Volume 6.369485223549E+22
Height 38398766.243534