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

81680265 (number)

81680265 is an odd 8-digits composite number following 81680264 and preceding 81680266. In scientific notation, it is written as 8.1680265 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 43562736 positive integers (up to 81680265) that are relatively prime to 81680265.

Interesting facts

81680265 has 4 divisors, whose sum is 82285440
The reverse of 81680265 is 56208618
Previous prime number is 135

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighty-one million six hundred eighty thousand two hundred sixty-five

Notation

Scientific notation	8.1680265 × 10^7
Engineering notation	8.1680265 × 10^6

Prime Factorization of 81680265

Prime Factorization 135 × 605039

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81680265	Product of the distinct prime numbers

The prime factorization of 81680265 is 135 × 605039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 78, 7, 872, 271, 5782, 8503, 21764, 73192, 159627, 677187, 5054431, 3840887, 36253074, 48618318, 493277720, 99582998, 3287771784, 9671954913

Basic calculations (n = 81680265)

Multiplication

n×y

n×2	163360530
n×3	245040795
n×4	326721060
n×5	408401325

Division

n÷y

n÷2	40840132.5
n÷3	27226755
n÷3	20420066.25
n÷5	16336053

Exponentiation

n^y

n²	6671665690470225
n³	5.4494342158902E+23
n⁴	4.4511123085398E+31
n⁵	3.6356803290629E+39

Nth Root

^y√n

²√n	9037.7134829557
³√n	433.882745264
⁴√n	95.066889519726
⁵√n	38.231683974099

Divisors of 81680265

1, 135, 605039, 81680265

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	-81680264	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 81680265 can be divided by 4 positive divisors. The sum of these divisors (counting 81680265) is 1, the average is 0.25.

Base conversion 81680265

Base	System	Value
2	Binary	100110111100101011110001001
3	Ternary	12200200210021000
4	Quaternary	10313211132021
5	Quinary	131402232030
6	Senary	12034405213
8	Octal	467453611
10	Decimal	81680265
12	Duodecimal	23430809
16	Hexadecimal	4de5789
20	Vigesimal	15aa0d5
36	Base36	1cmow9

Cryptographic Hash Functions

md5	c5a9cc681a9eadfb66f4043141af155b
sha1	a39a504cc6d2c8f62dd979142c9466a9e0491546
sha256	1072afa2c2ae789931cf89d660a3a0553bd138967516cc06f33bd3ada5adb709
sha512	e86e50f8b427e218c0b556b548d52db9b20f4c9ec39b9ca0fc3735ad48f5411d1be49cd9b7bff08e331b7efff635d120c72487f328b7112054c52101b97e9381
ripemd-160	27cd029fbca88697b283d935266385d876ddaff4

81680265 as geometric shapes

Circle

Radius = n

Diameter	163360530
Circumference	513212240.93454
Area	2.0959655920388E+16

Sphere

Radius = n

Volume	2.2826536665149E+24
Surface area	8.3838623681553E+16
Circumference	513212240.93454

Square

Length = n

Perimeter	326721060
Area	6671665690470225
Diagonal	115513338.54123

Cube

Length = n

Surface area	40029994142821350
Volume	5.4494342158902E+23
Space diagonal	141474368.95569

Equilateral Triangle

Length = n

Perimeter	245040795
Area	2.8889159867521E+15
Altitude	70737184.477845

Triangular Pyramid

Length = n

Surface area	2.8889159867521E+15
Volume	6.4222198128099E+22
Height	38504446.180409