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

81625 (number)

81625 is an odd 5-digits composite number following 81624 and preceding 81626. In scientific notation, it is written as 8.1625 × 10^4. The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors. There are 65200 positive integers (up to 81625) that are relatively prime to 81625.

Interesting facts

81625 has 8 divisors, whose sum is 102024
The reverse of 81625 is 52618
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4

Name

Name	eighty-one thousand six hundred twenty-five

Notation

Scientific notation	8.1625 × 10^4
Engineering notation	8.1625 × 10^3

Prime Factorization of 81625

Prime Factorization 5 × 5 × 5 × 653

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	3265	Product of the distinct prime numbers

The prime factorization of 81625 is 5 × 5 × 5 × 653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 27, 80, 572, 433, 843, 108, 38328, 93993, 632929, 775607, 3747429, 4259462, 61674053, 94372134, 175011154, 720973179, 2535453172, 7315241412

Basic calculations (n = 81625)

Multiplication

n×y

n×2	163250
n×3	244875
n×4	326500
n×5	408125

Division

n÷y

n÷2	40812.5
n÷3	27208.333333333
n÷3	20406.25
n÷5	16325

Exponentiation

n^y

n²	6662640625
n³	543838041015625
n⁴	4.43907800979E+19
n⁵	3.6233974254911E+24

Nth Root

^y√n

²√n	285.70089254323
³√n	43.378486792925
⁴√n	16.902688914585
⁵√n	9.6020649405332

Divisors of 81625

1, 5, 25, 125, 653, 3265, 16325, 81625

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	-81624	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 81625 can be divided by 8 positive divisors. The sum of these divisors (counting 81625) is 1, the average is 0.125.

Base conversion 81625

Base	System	Value
2	Binary	10011111011011001
3	Ternary	11010222011
4	Quaternary	103323121
5	Quinary	10103000
6	Senary	1425521
8	Octal	237331
10	Decimal	81625
12	Duodecimal	3b2a1
16	Hexadecimal	13ed9
20	Vigesimal	a415
36	Base36	1qzd

Cryptographic Hash Functions

md5	d80e3d945da251cd103f093e8b03db6d
sha1	4bc93000294be76b3d34d92bfd7efe184234c8e5
sha256	36f5f33277233db64cba9a3ea65ed6a1cf5db5701e2ac9d44ec5ded7ad22f1ca
sha512	df07c0b069378fa03155f07f0f395dba14207c118dfad5689867021d90d9b973e5c0220dc0f56c2e5ac713f1ff8cbd3ba161e27b66ed3900fac126a4f95105bf
ripemd-160	4b9493b567a7e59da2f8515f9258c0355dfc58c5

81625 as geometric shapes

Circle

Radius = n

Diameter	163250
Circumference	512865.00069853
Area	20931302841.009

Sphere

Radius = n

Volume	2.2780234591965E+15
Surface area	83725211364.036
Circumference	512865.00069853

Square

Length = n

Perimeter	326500
Area	6662640625
Diagonal	115435.1820287

Cube

Length = n

Surface area	39975843750
Volume	543838041015625
Space diagonal	141378.64716781

Equilateral Triangle

Length = n

Perimeter	244875
Area	2885008018.7681
Altitude	70689.323583905

Triangular Pyramid

Length = n

Surface area	2885008018.7681
Volume	64091927778226
Height	38478.394009568