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

81232013 (number)

81232013 is an odd 8-digits composite number following 81232012 and preceding 81232014. In scientific notation, it is written as 8.1232013 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 81188988 positive integers (up to 81232013) that are relatively prime to 81232013.

Interesting facts

81232013 has 4 divisors, whose sum is 81275040
The reverse of 81232013 is 31023218
Previous prime number is 1979

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million two hundred thirty-two thousand thirteen

Notation

Scientific notation	8.1232013 × 10^7
Engineering notation	8.1232013 × 10^6

Prime Factorization of 81232013

Prime Factorization 1979 × 41047

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81232013	Product of the distinct prime numbers

The prime factorization of 81232013 is 1979 × 41047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 66, 38, 90, 173, 9586, 2561, 33475, 61301, 614502, 794403, 6453745, 464666, 1053207, 55028872, 823343382, 126410561, 2955102507, 2757417392

Basic calculations (n = 81232013)

Multiplication

n×y

n×2	162464026
n×3	243696039
n×4	324928052
n×5	406160065

Division

n÷y

n÷2	40616006.5
n÷3	27077337.666667
n÷3	20308003.25
n÷5	16246402.6

Exponentiation

n^y

n²	6598639936032169
n³	5.3602080506608E+23
n⁴	4.3542049005399E+31
n⁵	3.5370082908532E+39

Nth Root

^y√n

²√n	9012.8803941914
³√n	433.08758919825
⁴√n	94.93619117171
⁵√n	38.189629329794

Divisors of 81232013

1, 1979, 41047, 81232013

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	-81232012	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 81232013 can be divided by 4 positive divisors. The sum of these divisors (counting 81232013) is 1, the average is 0.25.

Base conversion 81232013

Base	System	Value
2	Binary	100110101111000000010001101
3	Ternary	12122212000101002
4	Quaternary	10311320002031
5	Quinary	131243411023
6	Senary	12021030045
8	Octal	465700215
10	Decimal	81232013
12	Duodecimal	23255325
16	Hexadecimal	4d7808d
20	Vigesimal	157e00d
36	Base36	1cd30t

Cryptographic Hash Functions

md5	6c70b5138a0091030032e3d1e34fd687
sha1	e2de25e634e2c9f75258eec61778b7243645eb17
sha256	f91e61bb6933bf0dc68f5214e2ecfc99f1b38391772451951b6e4deb059ae8c9
sha512	571d724dc06c5f6f66d8a3c4bcec3dffe3b87cc1f51c806e1ac8be0b6e1730ba446a017282df117b1420f0156f4616881d828867baaa831414fd63ab227a72bd
ripemd-160	9ded54ba079341ceeb4c3dd467e945c975e0347f

81232013 as geometric shapes

Circle

Radius = n

Diameter	162464026
Circumference	510395790.55422
Area	2.0730238746723E+16

Sphere

Radius = n

Volume	2.2452786978225E+24
Surface area	8.2920954986892E+16
Circumference	510395790.55422

Square

Length = n

Perimeter	324928052
Area	6598639936032169
Diagonal	114879414.48347

Cube

Length = n

Surface area	39591839616193014
Volume	5.3602080506608E+23
Space diagonal	140697973.7171

Equilateral Triangle

Length = n

Perimeter	243696039
Area	2.8572949075152E+15
Altitude	70348986.858548

Triangular Pyramid

Length = n

Surface area	2.8572949075152E+15
Volume	6.317065768655E+22
Height	38293138.161156