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

81643313 (number)

81643313 is an odd 8-digits composite number following 81643312 and preceding 81643314. In scientific notation, it is written as 8.1643313 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81623280 positive integers (up to 81643313) that are relatively prime to 81643313.

Interesting facts

81643313 has 4 divisors, whose sum is 81663348
The reverse of 81643313 is 31334618
Previous prime number is 5693

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million six hundred forty-three thousand three hundred thirteen

Notation

Scientific notation	8.1643313 × 10^7
Engineering notation	8.1643313 × 10^6

Prime Factorization of 81643313

Prime Factorization 5693 × 14341

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81643313	Product of the distinct prime numbers

The prime factorization of 81643313 is 5693 × 14341. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 29, 11, 780, 771, 6454, 727, 73344, 79764, 622844, 734645, 8419939, 5180336, 20212957, 66377588, 302147536, 269715274, 8610984171, 8158331439

Basic calculations (n = 81643313)

Multiplication

n×y

n×2	163286626
n×3	244929939
n×4	326573252
n×5	408216565

Division

n÷y

n÷2	40821656.5
n÷3	27214437.666667
n÷3	20410828.25
n÷5	16328662.6

Exponentiation

n^y

n²	6665630557615969
n³	5.4420416195781E+23
n⁴	4.4430630730624E+31
n⁵	3.6274638915277E+39

Nth Root

^y√n

²√n	9035.6689293046
³√n	433.81730614578
⁴√n	95.056135674161
⁵√n	38.228224159409

Divisors of 81643313

1, 5693, 14341, 81643313

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	-81643312	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 81643313 can be divided by 4 positive divisors. The sum of these divisors (counting 81643313) is 1, the average is 0.25.

Base conversion 81643313

Base	System	Value
2	Binary	100110111011100011100110001
3	Ternary	12200121220120102
4	Quaternary	10313130130301
5	Quinary	131400041223
6	Senary	12033522145
8	Octal	467343461
10	Decimal	81643313
12	Duodecimal	23413355
16	Hexadecimal	4ddc731
20	Vigesimal	15a585d
36	Base36	1clwdt

Cryptographic Hash Functions

md5	1f63c4c5a2469bdff7fc6b44d9b77ffa
sha1	d29eedf10204cf510dc3406d44a3be2aa486bdba
sha256	82aee1de8f94914fc3311c7b289b40f5de96432a69d8eb68a74e1e6305effd9d
sha512	bc91c1771dc3ff75eff08b7779211ea50e264b0d58b2527f39eeaf3cac287c32abd18b4d45ace2ef15108b21c6d4f7ab04b36b0ff3b914447605d92f2626d673
ripemd-160	43dd8e671ca701ae8924e45445141a9917cac695

81643313 as geometric shapes

Circle

Radius = n

Diameter	163286626
Circumference	512980064.67106
Area	2.094069599135E+16

Sphere

Radius = n

Volume	2.2795570630128E+24
Surface area	8.37627839654E+16
Circumference	512980064.67106

Square

Length = n

Perimeter	326573252
Area	6665630557615969
Diagonal	115461080.52167

Cube

Length = n

Surface area	39993783345695814
Volume	5.4420416195781E+23
Space diagonal	141410366.21425

Equilateral Triangle

Length = n

Perimeter	244929939
Area	2.8863026975686E+15
Altitude	70705183.107124

Triangular Pyramid

Length = n

Surface area	2.8863026975686E+15
Volume	6.4135075545051E+22
Height	38487026.840557