81768223 (number)

81768223 is an odd 8-digits composite number following 81768222 and preceding 81768224. In scientific notation, it is written as 8.1768223 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 81003928 positive integers (up to 81768223) that are relatively prime to 81768223.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixty-eight thousand two hundred twenty-three

Notation

Scientific notation 8.1768223 × 10^7
Engineering notation 8.1768223 × 10^6

Prime Factorization of 81768223

Prime Factorization 107 × 764189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81768223
Product of the distinct prime numbers

The prime factorization of 81768223 is 107 × 764189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81768223)

Multiplication

n×y
n×2 163536446
n×3 245304669
n×4 327072892
n×5 408841115

Division

n÷y
n÷2 40884111.5
n÷3 27256074.333333
n÷3 20442055.75
n÷5 16353644.6

Exponentiation

ny
n2 6686042292577729
n3 5.4670579716693E+23
n4 4.4703161538138E+31
n5 3.6552980814555E+39

Nth Root

y√n
2√n 9042.5783380627
3√n 434.03843267854
4√n 95.092472562568
5√n 38.239914444211

Divisors of 81768223

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81768222
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81768223 can be divided by 4 positive divisors. The sum of these divisors (counting 81768223) is 1, the average is 0.25.

Base conversion 81768223

Base System Value
2 Binary 100110111111010111100011111
3 Ternary 12200212020220201
4 Quaternary 10313322330133
5 Quinary 131413040343
6 Senary 12040324331
8 Octal 467727437
10 Decimal 81768223
12 Duodecimal 234736a7
16 Hexadecimal 4dfaf1f
20 Vigesimal 15b10b3
36 Base36 1cokrj

Cryptographic Hash Functions

md5 f090018c8fe0c2ba6e75c47175dbe596
sha1 8944dcf1945da5c913a863d1cc412c659b1e8e00
sha256 6b7907408a5cedac4155a807902c5b7b0519df16b1963f0840b50b46f7466c2a
sha512 15d62839c443b246711be40cafec7f57110473f1f240a703c6e0584d247dc5358950d9d991df9a146c6cb3027149b5fede7e699e3991a4a946680a251c49d695
ripemd-160 88c5943db5302c90cbe6859893c8a21aa8fae8d2

81768223 as geometric shapes

Circle

Radius = n
Diameter 163536446
Circumference 513764897.34778
Area 2.1004821347953E+16

Sphere

Radius = n
Volume 2.2900358880728E+24
Surface area 8.4019285391811E+16
Circumference 513764897.34778

Square

Length = n
Perimeter 327072892
Area 6686042292577729
Diagonal 115637729.93775

Cube

Length = n
Surface area 40116253755466374
Volume 5.4670579716693E+23
Space diagonal 141626716.68062

Equilateral Triangle

Length = n
Perimeter 245304669
Area 2.8951412380747E+15
Altitude 70813358.340311

Triangular Pyramid

Length = n
Surface area 2.8951412380747E+15
Volume 6.4429896081789E+22
Height 38545909.979249