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

81123039 (number)

81123039 is an odd 8-digits composite number following 81123038 and preceding 81123040. In scientific notation, it is written as 8.1123039 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors. There are 53597376 positive integers (up to 81123039) that are relatively prime to 81123039.

Interesting facts

81123039 has 20 divisors, whose sum is 122270016
The reverse of 81123039 is 93032118
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million one hundred twenty-three thousand thirty-nine

Notation

Scientific notation	8.1123039 × 10^7
Engineering notation	8.1123039 × 10^6

Prime Factorization of 81123039

Prime Factorization 3 × 3 × 3 × 3 × 113 × 8863

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	3004557	Product of the distinct prime numbers

The prime factorization of 81123039 is 3 × 3 × 3 × 3 × 113 × 8863. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 4, 75, 51, 564, 464, 9124, 9383, 26580, 47745, 935491, 575856, 776745, 3457313, 49839265, 92108501, 157068152, 39931550, 5570909759, 1852790212

Basic calculations (n = 81123039)

Multiplication

n×y

n×2	162246078
n×3	243369117
n×4	324492156
n×5	405615195

Division

n÷y

n÷2	40561519.5
n÷3	27041013
n÷3	20280759.75
n÷5	16224607.8

Exponentiation

n^y

n²	6580947456595521
n³	5.3386645717835E+23
n⁴	4.3308869426471E+31
n⁵	3.5133471035295E+39

Nth Root

^y√n

²√n	9006.8329061885
³√n	432.89383796912
⁴√n	94.904335550008
⁵√n	38.179377431574

Divisors of 81123039

1, 3, 9, 27, 81, 113, 339, 1017, 3051, 8863, 9153, 26589, 79767, 239301, 717903, 1001519, 3004557, 9013671, 27041013, 81123039

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81123038	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81123039 can be divided by 20 positive divisors. The sum of these divisors (counting 81123039) is 1, the average is 0.05.

Base conversion 81123039

Base	System	Value
2	Binary	100110101011101011011011111
3	Ternary	12122122110220000
4	Quaternary	10311131123133
5	Quinary	131231414124
6	Senary	12014425343
8	Octal	465353337
10	Decimal	81123039
12	Duodecimal	23202253
16	Hexadecimal	4d5d6df
20	Vigesimal	15707bj
36	Base36	1caqxr

Cryptographic Hash Functions

md5	0ae1870fd6da770e3660c655700750d3
sha1	76e9648dbc2faf3b6f89d8803142026ab7b31495
sha256	117108ddd1eb7c04cbcf01779562f1c9907ac425e6e533e677d1dfa419baa077
sha512	eca081bc24bf825e99d36e25e12c88c67aefaf60e8a8c8c14390999db37ffeec2b33afd85792a2490c313bea2574467ff8a4d26ec3990902ab376301eb7b1095
ripemd-160	8d2ddc4494dc7866dcb0c01206b556c4f2e52f85

81123039 as geometric shapes

Circle

Radius = n

Diameter	162246078
Circumference	509711086.71856
Area	2.0674656183301E+16

Sphere

Radius = n

Volume	2.2362545864927E+24
Surface area	8.2698624733204E+16
Circumference	509711086.71856

Square

Length = n

Perimeter	324492156
Area	6580947456595521
Diagonal	114725301.97472

Cube

Length = n

Surface area	39485684739573126
Volume	5.3386645717835E+23
Space diagonal	140509225.21239

Equilateral Triangle

Length = n

Perimeter	243369117
Area	2.8496338391912E+15
Altitude	70254612.606196

Triangular Pyramid

Length = n

Surface area	2.8496338391912E+15
Volume	6.2916765353141E+22
Height	38241767.324907