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

81252009 (number)

81252009 is an odd 8-digits composite number following 81252008 and preceding 81252010. In scientific notation, it is written as 8.1252009 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 53960472 positive integers (up to 81252009) that are relatively prime to 81252009.

Interesting facts

81252009 has 8 divisors, whose sum is 90625920
The reverse of 81252009 is 90025218
Previous prime number is 263

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million two hundred fifty-two thousand nine

Notation

Scientific notation	8.1252009 × 10^7
Engineering notation	8.1252009 × 10^6

Prime Factorization of 81252009

Prime Factorization 9 × 263 × 34327

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81252009	Product of the distinct prime numbers

The prime factorization of 81252009 is 9 × 263 × 34327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 56, 81, 110, 393, 2141, 714, 56453, 41071, 618308, 164422, 4899922, 6973645, 46875407, 61065157, 650903161, 520086057, 431113536, 2549074914

Basic calculations (n = 81252009)

Multiplication

n×y

n×2	162504018
n×3	243756027
n×4	325008036
n×5	406260045

Division

n÷y

n÷2	40626004.5
n÷3	27084003
n÷3	20313002.25
n÷5	16250401.8

Exponentiation

n^y

n²	6601888966536081
n³	5.3641674172599E+23
n⁴	4.3584937926471E+31
n⁵	3.5413637686661E+39

Nth Root

^y√n

²√n	9013.9896272405
³√n	433.12312243459
⁴√n	94.942032984556
⁵√n	38.191509289726

Divisors of 81252009

1, 9, 263, 2367, 34327, 308943, 9028001, 81252009

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	-81252008	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 81252009 can be divided by 8 positive divisors. The sum of these divisors (counting 81252009) is 1, the average is 0.125.

Base conversion 81252009

Base	System	Value
2	Binary	100110101111100111010101001
3	Ternary	12122220000210200
4	Quaternary	10311330322221
5	Quinary	131300031014
6	Senary	12021302413
8	Octal	465747251
10	Decimal	81252009
12	Duodecimal	23264a09
16	Hexadecimal	4d7cea9
20	Vigesimal	157ga09
36	Base36	1cdig9

Cryptographic Hash Functions

md5	d6feb73d21fd504e729f27efd0ddc288
sha1	14712f203bfe22444d2c581be60c28b7b83c2491
sha256	de0527267e04eae26ad037b42eef15f413a4eb2991fa98e23cde36f4b6937fc2
sha512	c1c54e0a0e096e94d1785eb4db8facec4fbf0c4e1d527412d5b640be6090de064ec266195cb39d903446bcab4551e31933e4bcbd21cb58e04be92ae6e92d631c
ripemd-160	90e68b33142574f867cf619e4316bc37584bbe30

81252009 as geometric shapes

Circle

Radius = n

Diameter	162504018
Circumference	510521429.12762
Area	2.0740445877085E+16

Sphere

Radius = n

Volume	2.2469371934253E+24
Surface area	8.2961783508341E+16
Circumference	510521429.12762

Square

Length = n

Perimeter	325008036
Area	6601888966536081
Diagonal	114907693.09786

Cube

Length = n

Surface area	39611333799216486
Volume	5.3641674172599E+23
Space diagonal	140732607.80504

Equilateral Triangle

Length = n

Perimeter	243756027
Area	2.8587017789922E+15
Altitude	70366303.902522

Triangular Pyramid

Length = n

Surface area	2.8587017789922E+15
Volume	6.3217319269407E+22
Height	38302564.365954