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

81489273 (number)

81489273 is an odd 8-digits composite number following 81489272 and preceding 81489274. In scientific notation, it is written as 8.1489273 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 54326180 positive integers (up to 81489273) that are relatively prime to 81489273.

Interesting facts

81489273 has 4 divisors, whose sum is 108652368
The reverse of 81489273 is 37298418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million four hundred eighty-nine thousand two hundred seventy-three

Notation

Scientific notation	8.1489273 × 10^7
Engineering notation	8.1489273 × 10^6

Prime Factorization of 81489273

Prime Factorization 3 × 27163091

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489273	Product of the distinct prime numbers

The prime factorization of 81489273 is 3 × 27163091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 84, 52, 308, 686, 2911, 5515, 25438, 31062, 790346, 699979, 4342884, 4230397, 93312904, 49016817, 620110567, 427847293, 5982044865, 8819914575

Basic calculations (n = 81489273)

Multiplication

n×y

n×2	162978546
n×3	244467819
n×4	325957092
n×5	407446365

Division

n÷y

n÷2	40744636.5
n÷3	27163091
n÷3	20372318.25
n÷5	16297854.6

Exponentiation

n^y

n²	6640501614068529
n³	5.4112964888577E+23
n⁴	4.4096261686447E+31
n⁵	3.5933723068463E+39

Nth Root

^y√n

²√n	9027.1409095017
³√n	433.54430036474
⁴√n	95.01126727658
⁵√n	38.213787888662

Divisors of 81489273

1, 3, 27163091, 81489273

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	-81489272	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 81489273 can be divided by 4 positive divisors. The sum of these divisors (counting 81489273) is 1, the average is 0.25.

Base conversion 81489273

Base	System	Value
2	Binary	100110110110110110101111001
3	Ternary	12200100002021020
4	Quaternary	10312312311321
5	Quinary	131330124043
6	Senary	12030333053
8	Octal	466666571
10	Decimal	81489273
12	Duodecimal	2335a189
16	Hexadecimal	4db6d79
20	Vigesimal	159633d
36	Base36	1cilix

Cryptographic Hash Functions

md5	db303e51218daac1b4d03cb575ad66b7
sha1	2ab3cb3c52e041c3f001995d4a475f260842c436
sha256	ad0ee3954457e4ef2b82edaaa7c7f661937292c4f463603a9ab56ba03a286b17
sha512	6263f97aaa4dd80028893478a2c3d0556d4a8317d419e910b64177032ae1af7a3653f8c391e27f4869828bf7b0ce87736775eefc7dd5b3bbc4e79366a599696f
ripemd-160	d92e5ff0ee322ef3c05a5fb30108cdcad5995b49

81489273 as geometric shapes

Circle

Radius = n

Diameter	162978546
Circumference	512012202.80635
Area	2.0861751086909E+16

Sphere

Radius = n

Volume	2.2666785727722E+24
Surface area	8.3447004347635E+16
Circumference	512012202.80635

Square

Length = n

Perimeter	325957092
Area	6640501614068529
Diagonal	115243235.06452

Cube

Length = n

Surface area	39843009684411174
Volume	5.4112964888577E+23
Space diagonal	141143561.10785

Equilateral Triangle

Length = n

Perimeter	244467819
Area	2.8754215458275E+15
Altitude	70571780.553925

Triangular Pyramid

Length = n

Surface area	2.8754215458275E+15
Volume	6.3772740704704E+22
Height	38414411.688175