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

81220009 (number)

81220009 is an odd 8-digits composite number following 81220008 and preceding 81220010. In scientific notation, it is written as 8.1220009 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 73557120 positive integers (up to 81220009) that are relatively prime to 81220009.

Interesting facts

81220009 has 8 divisors, whose sum is 89118792
The reverse of 81220009 is 90002218
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	eighty-one million two hundred twenty thousand nine

Notation

Scientific notation	8.1220009 × 10^7
Engineering notation	8.1220009 × 10^6

Prime Factorization of 81220009

Prime Factorization 13 × 53 × 117881

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81220009	Product of the distinct prime numbers

The prime factorization of 81220009 is 13 × 53 × 117881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 93, 58, 536, 273, 6396, 1181, 57599, 31865, 873339, 826952, 2307544, 2845583, 70106857, 67617168, 708061380, 930576121, 5826339728, 925384214

Basic calculations (n = 81220009)

Multiplication

n×y

n×2	162440018
n×3	243660027
n×4	324880036
n×5	406100045

Division

n÷y

n÷2	40610004.5
n÷3	27073336.333333
n÷3	20305002.25
n÷5	16244001.8

Exponentiation

n^y

n²	6596689861960081
n³	5.3578320995861E+23
n⁴	4.3516317134887E+31
n⁵	3.5343956693424E+39

Nth Root

^y√n

²√n	9012.214433756
³√n	433.06625508242
⁴√n	94.932683696164
⁵√n	38.188500574286

Divisors of 81220009

1, 13, 53, 689, 117881, 1532453, 6247693, 81220009

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	-81220008	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 81220009 can be divided by 8 positive divisors. The sum of these divisors (counting 81220009) is 1, the average is 0.125.

Base conversion 81220009

Base	System	Value
2	Binary	100110101110101000110101001
3	Ternary	12122211101220111
4	Quaternary	10311311012221
5	Quinary	131243020014
6	Senary	12020454321
8	Octal	465650651
10	Decimal	81220009
12	Duodecimal	2324a3a1
16	Hexadecimal	4d751a9
20	Vigesimal	157ca09
36	Base36	1cctrd

Cryptographic Hash Functions

md5	16d7a859cf42be1de90f66f618baddd3
sha1	27dd916b4b1c6c97766cea0549e5d07f226ad063
sha256	9caca9a013873b9aed6fd28da54fe594dca27a21d2ae2b761b3bd61cccb653ad
sha512	45bb29976a51f6cf192e13abdacfece012c78fe3c5947522b184ae149a7f1802f8527bc9233f720d6d2f07dbf6cbcefa40a3efca639e312ae91818b1545b5a86
ripemd-160	ee2d7a57d2fd50ba7e09d8bf12d3f24c3cd4f934

81220009 as geometric shapes

Circle

Radius = n

Diameter	162440018
Circumference	510320367.19779
Area	2.0724112408344E+16

Sphere

Radius = n

Volume	2.2442834617636E+24
Surface area	8.2896449633376E+16
Circumference	510320367.19779

Square

Length = n

Perimeter	324880036
Area	6596689861960081
Diagonal	114862438.26386

Cube

Length = n

Surface area	39580139171760486
Volume	5.3578320995861E+23
Space diagonal	140677182.1792

Equilateral Triangle

Length = n

Perimeter	243660027
Area	2.8564505006723E+15
Altitude	70338591.089601

Triangular Pyramid

Length = n

Surface area	2.8564505006723E+15
Volume	6.3142656834604E+22
Height	38287479.421288