81489148 (number)

81489148 is an even 8-digits composite number following 81489147 and preceding 81489149. In scientific notation, it is written as 8.1489148 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 36971520 positive integers (up to 81489148) that are relatively prime to 81489148.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand one hundred forty-eight

Notation

Scientific notation 8.1489148 × 10^7
Engineering notation 8.1489148 × 10^6

Prime Factorization of 81489148

Prime Factorization 2 × 2 × 59 × 13 × 26561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40744574
Product of the distinct prime numbers

The prime factorization of 81489148 is 2 × 2 × 59 × 13 × 26561. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 57, 49, 700, 107, 333, 8210, 89931, 24682, 464245, 386150, 523340, 2891686, 4117673, 51239133, 814314509, 628171713, 5541247046, 5105143736

Basic calculations (n = 81489148)

Multiplication

n×y
n×2 162978296
n×3 244467444
n×4 325956592
n×5 407445740

Division

n÷y
n÷2 40744574
n÷3 27163049.333333
n÷3 20372287
n÷5 16297829.6

Exponentiation

ny
n2 6640481241765904
n3 5.4112715870149E+23
n4 4.4095991122245E+31
n5 3.5933447467673E+39

Nth Root

y√n
2√n 9027.1339859337
3√n 433.54407868703
4√n 95.011230841063
5√n 38.213776165091

Divisors of 81489148

1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 26561, 53122, 106244, 345293, 690586, 1381172, 1567099, 3134198, 6268396, 20372287, 40744574, 81489148

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489147
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489148 can be divided by 24 positive divisors. The sum of these divisors (counting 81489148) is 1, the average is 0.041666666666667.

Base conversion 81489148

Base System Value
2 Binary 100110110110110110011111100
3 Ternary 12200100002002121
4 Quaternary 10312312303330
5 Quinary 131330123043
6 Senary 12030332324
8 Octal 466666374
10 Decimal 81489148
12 Duodecimal 2335a0a4
16 Hexadecimal 4db6cfc
20 Vigesimal 15962h8
36 Base36 1cilfg

Cryptographic Hash Functions

md5 afad3891f7b13bf799b0fda207c5af29
sha1 6b0b7e97bbb36c5f6d4c7e913c00b9a6d1892b0e
sha256 995c173cd87006bb34a792e85bdf061bd9b86fdf97f2300acd89c4aaeebbcf7c
sha512 1914fb63db57473f645757de0dad6ee673ab4677ff822c8fe4ee00aef51248b4ca3ab85ac4524e38798f1fd1e0b0f7c7cc5a97b784911171a9223e6b1cddebcf
ripemd-160 41b9481faca651b71691b039dcf6b97953eced15

81489148 as geometric shapes

Circle

Radius = n
Diameter 162978296
Circumference 512011417.40818
Area 2.0861687085433E+16

Sphere

Radius = n
Volume 2.2666681419127E+24
Surface area 8.344674834173E+16
Circumference 512011417.40818

Square

Length = n
Perimeter 325956592
Area 6640481241765904
Diagonal 115243058.28783

Cube

Length = n
Surface area 39842887450595424
Volume 5.4112715870149E+23
Space diagonal 141143344.6015

Equilateral Triangle

Length = n
Perimeter 244467444
Area 2.8754127243617E+15
Altitude 70571672.30075

Triangular Pyramid

Length = n
Surface area 2.8754127243617E+15
Volume 6.3772447233672E+22
Height 38414352.762609