81738228 (number)

81738228 is an even 8-digits composite number following 81738227 and preceding 81738229. In scientific notation, it is written as 8.1738228 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 20528640 positive integers (up to 81738228) that are relatively prime to 81738228.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred twenty-eight

Notation

Scientific notation 8.1738228 × 10^7
Engineering notation 8.1738228 × 10^6

Prime Factorization of 81738228

Prime Factorization 2 × 2 × 9867 × 19 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40869114
Product of the distinct prime numbers

The prime factorization of 81738228 is 2 × 2 × 9867 × 19 × 109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 11, 24, 769, 741, 1392, 4009, 69971, 92660, 413325, 187598, 7374558, 5374885, 17741874, 14157843, 278570945, 606249485, 8096824399, 6856317985

Basic calculations (n = 81738228)

Multiplication

n×y
n×2 163476456
n×3 245214684
n×4 326952912
n×5 408691140

Division

n÷y
n÷2 40869114
n÷3 27246076
n÷3 20434557
n÷5 16347645.6

Exponentiation

ny
n2 6681137916579984
n3 5.4610437432486E+23
n4 4.4637603860363E+31
n5 3.648598641712E+39

Nth Root

y√n
2√n 9040.9196434876
3√n 433.98535348082
4√n 95.083750680585
5√n 38.237108526384

Divisors of 81738228

1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 9867, 19734, 39468, 187473, 374946, 749892, 1075503, 2151006, 4302012, 20434557, 40869114, 81738228

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 -81738227
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 81738228 can be divided by 24 positive divisors. The sum of these divisors (counting 81738228) is 1, the average is 0.041666666666667.

Base conversion 81738228

Base System Value
2 Binary 100110111110011100111110100
3 Ternary 12200210201202210
4 Quaternary 10313303213310
5 Quinary 131411110403
6 Senary 12035533420
8 Octal 467634764
10 Decimal 81738228
12 Duodecimal 2345a270
16 Hexadecimal 4df39f4
20 Vigesimal 15ah5b8
36 Base36 1cnxmc

Cryptographic Hash Functions

md5 6ea83a12c9e77aa87b40586a978171b6
sha1 ddf3de08a4aaa1dc3ced7d575a18a3337c2d3b9f
sha256 20f74c8ff7cc400b0ba8ae0d94ee01ef5108960d5433f131aadb50913df05bda
sha512 d8cc5ea5edde6db48f2363fc719359eea1c41bb5a3db3198ee1d69d7a9af1094620c187a4e609d0b40970186ad8a878ae091efcf097151f2b579b6f0d4cd029c
ripemd-160 9fdaf591a1822954479d9a42983c49cbf64da984

81738228 as geometric shapes

Circle

Radius = n
Diameter 163476456
Circumference 513576433.2045
Area 2.0989413796348E+16

Sphere

Radius = n
Volume 2.287516653963E+24
Surface area 8.3957655185392E+16
Circumference 513576433.2045

Square

Length = n
Perimeter 326952912
Area 6681137916579984
Diagonal 115595310.60194

Cube

Length = n
Surface area 40086827499479904
Volume 5.4610437432486E+23
Space diagonal 141574763.81665

Equilateral Triangle

Length = n
Perimeter 245214684
Area 2.8930175809729E+15
Altitude 70787381.908325

Triangular Pyramid

Length = n
Surface area 2.8930175809729E+15
Volume 6.4359017720124E+22
Height 38531770.200648