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

81329345 (number)

81329345 is an odd 8-digits composite number following 81329344 and preceding 81329346. In scientific notation, it is written as 8.1329345 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 65063472 positive integers (up to 81329345) that are relatively prime to 81329345.

Interesting facts

81329345 has 4 divisors, whose sum is 97595220
The reverse of 81329345 is 54392318
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	eighty-one million three hundred twenty-nine thousand three hundred forty-five

Notation

Scientific notation	8.1329345 × 10^7
Engineering notation	8.1329345 × 10^6

Prime Factorization of 81329345

Prime Factorization 5 × 16265869

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81329345	Product of the distinct prime numbers

The prime factorization of 81329345 is 5 × 16265869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 7, 57, 848, 335, 7443, 4430, 36879, 88697, 511240, 863461, 5715151, 3658068, 40383409, 38956766, 230585459, 915291440, 4740651060, 3979439445

Basic calculations (n = 81329345)

Multiplication

n×y

n×2	162658690
n×3	243988035
n×4	325317380
n×5	406646725

Division

n÷y

n÷2	40664672.5
n÷3	27109781.666667
n÷3	20332336.25
n÷5	16265869

Exponentiation

n^y

n²	6614462358129025
n³	5.3794989111379E+23
n⁴	4.3751112287106E+31
n⁵	3.5582493053318E+39

Nth Root

^y√n

²√n	9018.2783833723
³√n	433.26049498948
⁴√n	94.964616480941
⁵√n	38.198776690863

Divisors of 81329345

1, 5, 16265869, 81329345

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	-81329344	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 81329345 can be divided by 4 positive divisors. The sum of these divisors (counting 81329345) is 1, the average is 0.25.

Base conversion 81329345

Base	System	Value
2	Binary	100110110001111110011000001
3	Ternary	12200000221212222
4	Quaternary	10312033303001
5	Quinary	131310014340
6	Senary	12023100425
8	Octal	466176301
10	Decimal	81329345
12	Duodecimal	232a1715
16	Hexadecimal	4d8fcc1
20	Vigesimal	1586375
36	Base36	1cf64h

Cryptographic Hash Functions

md5	5bfa4c2b639c1ee66e255f87acbbc200
sha1	71a6188a6089288f122bc22fa99acb0150cbc5e8
sha256	d6d80c2f48a6a6030b7a215bab210cfc111c8f49f9e8d1cabd13964099dcf92b
sha512	00ca36fad3ff412fd59e90b974bfab036b1e4cf46d585c82212a17e5bb108f52f416433986ddcb5746956dc24ab00a91c1323ff305b8b555101957faa7750008
ripemd-160	9cbe00ca9e9546e790ab0397d4201c1d5a223b54

81329345 as geometric shapes

Circle

Radius = n

Diameter	162658690
Circumference	511007345.54654
Area	2.0779946351744E+16

Sphere

Radius = n

Volume	2.2533592345633E+24
Surface area	8.3119785406977E+16
Circumference	511007345.54654

Square

Length = n

Perimeter	325317380
Area	6614462358129025
Diagonal	115017062.71792

Cube

Length = n

Surface area	39686774148774150
Volume	5.3794989111379E+23
Space diagonal	140866557.6863

Equilateral Triangle

Length = n

Perimeter	243988035
Area	2.8641462172578E+15
Altitude	70433278.843149

Triangular Pyramid

Length = n

Surface area	2.8641462172578E+15
Volume	6.3398002657521E+22
Height	38339020.905973