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

81640266 (number)

81640266 is an even 8-digits composite number following 81640265 and preceding 81640267. In scientific notation, it is written as 8.1640266 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 26549600 positive integers (up to 81640266) that are relatively prime to 81640266.

Interesting facts

81640266 has 16 divisors, whose sum is 167263488
The reverse of 81640266 is 66204618
Previous prime number is 41

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million six hundred forty thousand two hundred sixty-six

Notation

Scientific notation	8.1640266 × 10^7
Engineering notation	8.1640266 × 10^6

Prime Factorization of 81640266

Prime Factorization 2 × 3 × 41 × 331871

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81640266	Product of the distinct prime numbers

The prime factorization of 81640266 is 2 × 3 × 41 × 331871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 98, 2, 416, 862, 1926, 2671, 19480, 50515, 80057, 313111, 5961976, 2449982, 38162907, 4978270, 3753446, 909466778, 1182613271, 1785685423

Basic calculations (n = 81640266)

Multiplication

n×y

n×2	163280532
n×3	244920798
n×4	326561064
n×5	408201330

Division

n÷y

n÷2	40820133
n÷3	27213422
n÷3	20410066.5
n÷5	16328053.2

Exponentiation

n^y

n²	6665133032550756
n³	5.4414323370283E+23
n⁴	4.4423998341599E+31
n⁵	3.6267870413917E+39

Nth Root

^y√n

²√n	9035.5003181894
³√n	433.81190926461
⁴√n	95.055248767174
⁵√n	38.227938812983

Divisors of 81640266

1, 2, 3, 6, 41, 82, 123, 246, 331871, 663742, 995613, 1991226, 13606711, 27213422, 40820133, 81640266

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81640265	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81640266 can be divided by 16 positive divisors. The sum of these divisors (counting 81640266) is 1, the average is 0.0625.

Base conversion 81640266

Base	System	Value
2	Binary	100110111011011101101001010
3	Ternary	12200121202101120
4	Quaternary	10313123231022
5	Quinary	131344442031
6	Senary	12033500110
8	Octal	467335512
10	Decimal	81640266
12	Duodecimal	23411636
16	Hexadecimal	4ddbb4a
20	Vigesimal	15a50d6
36	Base36	1clu16

Cryptographic Hash Functions

md5	5c09725ac5c72b02cc29e55f039df244
sha1	375c3f4a5029e8eff86b0f255017c480de3d54a8
sha256	25019dca99255ec072d5addd5bb5fd13b029469d619d61cb2021f4ea17493edd
sha512	3039978e00bc0107a9f77200285c2dbf51bca679c2bc981bcbfa717c74a66ee965bfda2a857ed5ea5cffb4a4abe503fbb0248e6a23a9688790b48edc7839f0c2
ripemd-160	d624568f400674ac1c451745fe55bc1c69e9b41b

81640266 as geometric shapes

Circle

Radius = n

Diameter	163280532
Circumference	512960919.80543
Area	2.093913297026E+16

Sphere

Radius = n

Volume	2.2793018473352E+24
Surface area	8.375653188104E+16
Circumference	512960919.80543

Square

Length = n

Perimeter	326561064
Area	6665133032550756
Diagonal	115456771.41295

Cube

Length = n

Surface area	39990798195304536
Volume	5.4414323370283E+23
Space diagonal	141405088.65544

Equilateral Triangle

Length = n

Perimeter	244920798
Area	2.8860872628959E+15
Altitude	70702544.327719

Triangular Pyramid

Length = n

Surface area	2.8860872628959E+15
Volume	6.4127895081341E+22
Height	38485590.470982