81738230 (number)

81738230 is an even 8-digits composite number following 81738229 and preceding 81738231. In scientific notation, it is written as 8.1738230 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 28024512 positive integers (up to 81738230) that are relatively prime to 81738230.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1738230 × 10^7
Engineering notation 8.1738230 × 10^6

Prime Factorization of 81738230

Prime Factorization 2 × 5 × 7 × 1167689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81738230
Product of the distinct prime numbers

The prime factorization of 81738230 is 2 × 5 × 7 × 1167689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 96, 12, 79, 579, 4454, 1778, 64079, 50, 583711, 257036, 9171757, 3708329, 16214678, 52408652, 148222865, 523601280, 4689826776, 4807576253

Basic calculations (n = 81738230)

Multiplication

n×y
n×2 163476460
n×3 245214690
n×4 326952920
n×5 408691150

Division

n÷y
n÷2 40869115
n÷3 27246076.666667
n÷3 20434557.5
n÷5 16347646

Exponentiation

ny
n2 6681138243532900
n3 5.4610441441169E+23
n4 4.4637608229198E+31
n5 3.6485990880881E+39

Nth Root

y√n
2√n 9040.9197540958
3√n 433.98535702045
4√n 95.083751262221
5√n 38.237108713503

Divisors of 81738230

1, 2, 5, 7, 10, 14, 35, 70, 1167689, 2335378, 5838445, 8173823, 11676890, 16347646, 40869115, 81738230

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738229
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738230 can be divided by 16 positive divisors. The sum of these divisors (counting 81738230) is 1, the average is 0.0625.

Base conversion 81738230

Base System Value
2 Binary 100110111110011100111110110
3 Ternary 12200210201202212
4 Quaternary 10313303213312
5 Quinary 131411110410
6 Senary 12035533422
8 Octal 467634766
10 Decimal 81738230
12 Duodecimal 2345a272
16 Hexadecimal 4df39f6
20 Vigesimal 15ah5ba
36 Base36 1cnxme

Cryptographic Hash Functions

md5 2b863b2219b509b747e3cab7974899d2
sha1 110b3c439dc297a68b998e57804752d8c5e7fd69
sha256 2a05f88e03ecd5e45bce803e0e9e8e5bbdc8e000eb3ca02134435e5d6202609d
sha512 3c5c276f727bab1422ce55817cec0cf077f04fde6d412d67823a1765d5e17f84591280caff309dd2501c11ef526b67e98936fc4227545c7ee68c161adf153bd4
ripemd-160 f0bb4af4d275992eec73a80056960be83185dcda

81738230 as geometric shapes

Circle

Radius = n
Diameter 163476460
Circumference 513576445.77087
Area 2.0989414823501E+16

Sphere

Radius = n
Volume 2.2875168218783E+24
Surface area 8.3957659294003E+16
Circumference 513576445.77087

Square

Length = n
Perimeter 326952920
Area 6681138243532900
Diagonal 115595313.43037

Cube

Length = n
Surface area 40086829461197400
Volume 5.4610441441169E+23
Space diagonal 141574767.28075

Equilateral Triangle

Length = n
Perimeter 245214690
Area 2.8930177225476E+15
Altitude 70787383.640375

Triangular Pyramid

Length = n
Surface area 2.8930177225476E+15
Volume 6.4359022444402E+22
Height 38531771.143457