Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81820123 (number)

81820123 is an odd 8-digits composite number following 81820122 and preceding 81820124. In scientific notation, it is written as 8.1820123 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 63755880 positive integers (up to 81820123) that are relatively prime to 81820123.

Interesting facts

81820123 has 8 divisors, whose sum is 102009600
The reverse of 81820123 is 32102818
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million eight hundred twenty thousand one hundred twenty-three

Notation

Scientific notation	8.1820123 × 10^7
Engineering notation	8.1820123 × 10^6

Prime Factorization of 81820123

Prime Factorization 7 × 11 × 1062599

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81820123	Product of the distinct prime numbers

The prime factorization of 81820123 is 7 × 11 × 1062599. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 57, 93, 731, 709, 4813, 3419, 24764, 98757, 124732, 983510, 9487075, 1676698, 72196575, 89947856, 175614405, 872042755, 9152896957, 484087155

Basic calculations (n = 81820123)

Multiplication

n×y

n×2	163640246
n×3	245460369
n×4	327280492
n×5	409100615

Division

n÷y

n÷2	40910061.5
n÷3	27273374.333333
n÷3	20455030.75
n÷5	16364024.6

Exponentiation

n^y

n²	6694532527735129
n³	5.4774747484679E+23
n⁴	4.4816765764904E+31
n⁵	3.6669132873466E+39

Nth Root

^y√n

²√n	9045.4476395588
³√n	434.13024434439
⁴√n	95.107558267252
⁵√n	38.244767546795

Divisors of 81820123

1, 7, 11, 77, 1062599, 7438193, 11688589, 81820123

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81820122	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81820123 can be divided by 8 positive divisors. The sum of these divisors (counting 81820123) is 1, the average is 0.125.

Base conversion 81820123

Base	System	Value
2	Binary	100111000000111100111011011
3	Ternary	12200221220002221
4	Quaternary	10320013213123
5	Quinary	131421220443
6	Senary	12041404511
8	Octal	470074733
10	Decimal	81820123
12	Duodecimal	23499737
16	Hexadecimal	4e079db
20	Vigesimal	15b7a63
36	Base36	1cpot7

Cryptographic Hash Functions

md5	989ba037849619bc8dd2d6289cf4a228
sha1	cb0d9ae4fa9b912cc249ee34fc98c92ad5d554f8
sha256	0b4459b249ff1229fd55f9977713e87388b2437f5650c48e286d359e88c12497
sha512	e5411c3653ca3875b4497fb561014e57f8062be781b01ae9a8a07d4cb6ff35b0889af9bc97a70cbedf1e4eca47b31c5c32179e5199af5a954ce67e2593d85752
ripemd-160	0effe96821c143ae39bc4416974bbfb293353c07

81820123 as geometric shapes

Circle

Radius = n

Diameter	163640246
Circumference	514090994.66523
Area	2.1031494208351E+16

Sphere

Radius = n

Volume	2.2943992573347E+24
Surface area	8.4125976833402E+16
Circumference	514090994.66523

Square

Length = n

Perimeter	327280492
Area	6694532527735129
Diagonal	115711127.62163

Cube

Length = n

Surface area	40167195166410774
Volume	5.4774747484679E+23
Space diagonal	141716610.11753

Equilateral Triangle

Length = n

Perimeter	245460369
Area	2.8988176177399E+15
Altitude	70858305.058767

Triangular Pyramid

Length = n

Surface area	2.8988176177399E+15
Volume	6.4552658973662E+22
Height	38570375.873878