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

81802009 (number)

81802009 is an odd 8-digits prime number following 81802008 and preceding 81802010. In scientific notation, it is written as 8.1802009 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 81802008 positive integers (up to 81802009) that are relatively prime to 81802009.

Interesting facts

81802009 has 2 divisors, whose sum is 81802010
The reverse of 81802009 is 90020818
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million eight hundred two thousand nine

Notation

Scientific notation	8.1802009 × 10^7
Engineering notation	8.1802009 × 10^6

Prime Factorization of 81802009

Prime Factorization 81802009

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81802009	Product of the distinct prime numbers

The prime factorization of 81802009 is 81802009. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 5, 21, 94, 34, 86, 1729, 3799, 79130, 3634, 490305, 790468, 7904944, 7130079, 47483464, 13140077, 843395957, 328174312, 4692120647, 7677926070

Basic calculations (n = 81802009)

Multiplication

n×y

n×2	163604018
n×3	245406027
n×4	327208036
n×5	409010045

Division

n÷y

n÷2	40901004.5
n÷3	27267336.333333
n÷3	20450502.25
n÷5	16360401.8

Exponentiation

n^y

n²	6691568676436081
n³	5.4738376109394E+23
n⁴	4.4777091351461E+31
n⁵	3.662856029726E+39

Nth Root

^y√n

²√n	9044.4463069886
³√n	434.09820489269
⁴√n	95.102293910234
⁵√n	38.243074009679

Divisors of 81802009

1, 81802009

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81802010	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40901005	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9044.4463622712	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999755507	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81802009 can be divided by 2 positive divisors. The sum of these divisors (counting 81802009) is 81802010, the average is 40901005.

Base conversion 81802009

Base	System	Value
2	Binary	100111000000011001100011001
3	Ternary	12200220222021001
4	Quaternary	10320003030121
5	Quinary	131420131014
6	Senary	12041145001
8	Octal	470031431
10	Decimal	81802009
12	Duodecimal	2348b161
16	Hexadecimal	4e03319
20	Vigesimal	15b5509
36	Base36	1cpau1

Cryptographic Hash Functions

md5	d2e72f496ab08824f2338bf7bc7cfc3e
sha1	97007abbc1f2ae0f7bfe7a7f3d98dfe35217f1f7
sha256	2e2b69296a3a1c41784611921997a9f660efa2570af53cae1e5bb0b6975eee28
sha512	03916fb756b67d9adb1157c7e7d82f0d28a6455dc760300cac0aa48d8c0a74d0db375fd1787e4bcd1463f2b982215c3295659b7e398ea0d19b54d22b422dd4e1
ripemd-160	bbec40d30d34c7469709b62209ae6ebd91c773e9

81802009 as geometric shapes

Circle

Radius = n

Diameter	163604018
Circumference	513977181.04657
Area	2.1022182994883E+16

Sphere

Radius = n

Volume	2.2928757367294E+24
Surface area	8.4088731979533E+16
Circumference	513977181.04657

Square

Length = n

Perimeter	327208036
Area	6691568676436081
Diagonal	115685510.55717

Cube

Length = n

Surface area	40149412058616486
Volume	5.4738376109394E+23
Space diagonal	141685235.74921

Equilateral Triangle

Length = n

Perimeter	245406027
Area	2.8975342324809E+15
Altitude	70842617.874603

Triangular Pyramid

Length = n

Surface area	2.8975342324809E+15
Volume	6.4509794896821E+22
Height	38561836.852389