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

81532009 (number)

81532009 is an odd 8-digits composite number following 81532008 and preceding 81532010. In scientific notation, it is written as 8.1532009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 75169920 positive integers (up to 81532009) that are relatively prime to 81532009.

Interesting facts

81532009 has 8 divisors, whose sum is 87909192
The reverse of 81532009 is 90023518
Previous prime number is 953

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million five hundred thirty-two thousand nine

Notation

Scientific notation	8.1532009 × 10^7
Engineering notation	8.1532009 × 10^6

Prime Factorization of 81532009

Prime Factorization 13 × 953 × 6581

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81532009	Product of the distinct prime numbers

The prime factorization of 81532009 is 13 × 953 × 6581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 13, 60, 760, 564, 625, 7798, 52946, 85518, 75699, 881719, 3268929, 7077102, 18607005, 71367580, 3992498, 272245566, 1775367766, 1831171733

Basic calculations (n = 81532009)

Multiplication

n×y

n×2	163064018
n×3	244596027
n×4	326128036
n×5	407660045

Division

n÷y

n÷2	40766004.5
n÷3	27177336.333333
n÷3	20383002.25
n÷5	16306401.8

Exponentiation

n^y

n²	6647468491576081
n³	5.419814608824E+23
n⁴	4.4188837346497E+31
n⁵	3.6028046842341E+39

Nth Root

^y√n

²√n	9029.5076831464
³√n	433.62007602848
⁴√n	95.023721686463
⁵√n	38.217795193925

Divisors of 81532009

1, 13, 953, 6581, 12389, 85553, 6271693, 81532009

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	-81532008	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 81532009 can be divided by 8 positive divisors. The sum of these divisors (counting 81532009) is 1, the average is 0.125.

Base conversion 81532009

Base	System	Value
2	Binary	100110111000001010001101001
3	Ternary	12200102020220001
4	Quaternary	10313001101221
5	Quinary	131333011014
6	Senary	12031303001
8	Octal	467012151
10	Decimal	81532009
12	Duodecimal	2337aa61
16	Hexadecimal	4dc1469
20	Vigesimal	159ba09
36	Base36	1cjii1

Cryptographic Hash Functions

md5	d4b659df4149cd9755463a58cf3df9d6
sha1	ca705700d528fb3644eb0bbc0c911e3ca98e8a1b
sha256	73ee4ec4d4d14fcc57a97f1bc0e841a0ab42ecc18e470cbb9e8f60edff8ce7d5
sha512	57cf9f2ebb1a96432880e917cbbdafac8494005ec66247ec7f48726ac1457f0b27388342ff515f1a7b6b8c249e3821220e36c300dc4f53b6972b4503cc89ab05
ripemd-160	4597ac9171c0447de98225564df07dd251076872

81532009 as geometric shapes

Circle

Radius = n

Diameter	163064018
Circumference	512280721.01363
Area	2.0883638178105E+16

Sphere

Radius = n

Volume	2.27024663452E+24
Surface area	8.353455271242E+16
Circumference	512280721.01363

Square

Length = n

Perimeter	326128036
Area	6647468491576081
Diagonal	115303672.89533

Cube

Length = n

Surface area	39884810949456486
Volume	5.419814608824E+23
Space diagonal	141217582.03116

Equilateral Triangle

Length = n

Perimeter	244596027
Area	2.8784382922808E+15
Altitude	70608791.015581

Triangular Pyramid

Length = n

Surface area	2.8784382922808E+15
Volume	6.3873127711222E+22
Height	38434557.631775