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

81293361 (number)

81293361 is an odd 8-digits composite number following 81293360 and preceding 81293362. In scientific notation, it is written as 8.1293361 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 53172912 positive integers (up to 81293361) that are relatively prime to 81293361.

Interesting facts

81293361 has 4 divisors, whose sum is 81804800
The reverse of 81293361 is 16339218
Previous prime number is 159

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million two hundred ninety-three thousand three hundred sixty-one

Notation

Scientific notation	8.1293361 × 10^7
Engineering notation	8.1293361 × 10^6

Prime Factorization of 81293361

Prime Factorization 159 × 511279

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81293361	Product of the distinct prime numbers

The prime factorization of 81293361 is 159 × 511279. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 24, 47, 473, 844, 5814, 557, 13932, 62554, 748217, 698776, 7747406, 1540370, 9891995, 10757342, 426896713, 147695992, 8454895706, 3743913892

Basic calculations (n = 81293361)

Multiplication

n×y

n×2	162586722
n×3	243880083
n×4	325173444
n×5	406466805

Division

n÷y

n÷2	40646680.5
n÷3	27097787
n÷3	20323340.25
n÷5	16258672.2

Exponentiation

n^y

n²	6608610542676321
n³	5.3723616255419E+23
n⁴	4.3673733304773E+31
n⁵	3.5503845677626E+39

Nth Root

^y√n

²√n	9016.2831033636
³√n	433.19658716082
⁴√n	94.954110513256
⁵√n	38.195395898577

Divisors of 81293361

1, 159, 511279, 81293361

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	-81293360	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 81293361 can be divided by 4 positive divisors. The sum of these divisors (counting 81293361) is 1, the average is 0.25.

Base conversion 81293361

Base	System	Value
2	Binary	100110110000111000000110001
3	Ternary	12122222010112020
4	Quaternary	10312013000301
5	Quinary	131302341421
6	Senary	12022222053
8	Octal	466070061
10	Decimal	81293361
12	Duodecimal	23284929
16	Hexadecimal	4d87031
20	Vigesimal	1581d81
36	Base36	1ceecx

Cryptographic Hash Functions

md5	a03d0b83cec6858260d1fc66bbd04acb
sha1	d49c0487c04067620ef44c1594744337a9f2c71b
sha256	68984b03735cb7d8ccf89ab0d6f6b11536c28a4a921e1d6e7a76cb397d7ac205
sha512	b9e37bd40da49cb8342afc1691bc2e159cabbb30f34cac5dc4857097e213e90d8f55ab7ad01b3b137b2c4b8cfaff4fd4ddf254cf004d58213828ac167b3a2023
ripemd-160	de9cf1934f7742f9b85adcbc299a03fbfc8f9bdb

81293361 as geometric shapes

Circle

Radius = n

Diameter	162586722
Circumference	510781251.40645
Area	2.0761562331308E+16

Sphere

Radius = n

Volume	2.250369575364E+24
Surface area	8.3046249325232E+16
Circumference	510781251.40645

Square

Length = n

Perimeter	325173444
Area	6608610542676321
Diagonal	114966173.65709

Cube

Length = n

Surface area	39651663256057926
Volume	5.3723616255419E+23
Space diagonal	140804231.57004

Equilateral Triangle

Length = n

Perimeter	243880083
Area	2.8616123068377E+15
Altitude	70402115.785019

Triangular Pyramid

Length = n

Surface area	2.8616123068377E+15
Volume	6.3313888940118E+22
Height	38322057.885697