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

81640246 (number)

81640246 is an even 8-digits composite number following 81640245 and preceding 81640247. In scientific notation, it is written as 8.1640246 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 40049880 positive integers (up to 81640246) that are relatively prime to 81640246.

Interesting facts

81640246 has 8 divisors, whose sum is 124771104
The reverse of 81640246 is 64204618
Previous prime number is 53

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	8.1640246 × 10^7
Engineering notation	8.1640246 × 10^6

Prime Factorization of 81640246

Prime Factorization 2 × 53 × 770191

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81640246	Product of the distinct prime numbers

The prime factorization of 81640246 is 2 × 53 × 770191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 36, 69, 306, 283, 2595, 8567, 16500, 97801, 625082, 336430, 2668119, 7097704, 71384815, 57304091, 431737942, 636976206, 4964980572, 1982208312

Basic calculations (n = 81640246)

Multiplication

n×y

n×2	163280492
n×3	244920738
n×4	326560984
n×5	408201230

Division

n÷y

n÷2	40820123
n÷3	27213415.333333
n÷3	20410061.5
n÷5	16328049.2

Exponentiation

n^y

n²	6665129766940516
n³	5.4414283379495E+23
n⁴	4.4423954810157E+31
n⁵	3.6267825989941E+39

Nth Root

^y√n

²√n	9035.4992114437
³√n	433.81187383994
⁴√n	95.055242945583
⁵√n	38.227936939988

Divisors of 81640246

1, 2, 53, 106, 770191, 1540382, 40820123, 81640246

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	-81640245	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 81640246 can be divided by 8 positive divisors. The sum of these divisors (counting 81640246) is 1, the average is 0.125.

Base conversion 81640246

Base	System	Value
2	Binary	100110111011011101100110110
3	Ternary	12200121202100211
4	Quaternary	10313123230312
5	Quinary	131344441441
6	Senary	12033500034
8	Octal	467335466
10	Decimal	81640246
12	Duodecimal	2341161a
16	Hexadecimal	4ddbb36
20	Vigesimal	15a50c6
36	Base36	1clu0m

Cryptographic Hash Functions

md5	f88ca3304ff5c64b606e52a2d591fafa
sha1	05b6ba2b2f0f3f7d4e17b8c0a184fa771c77f4c8
sha256	975110f0dcbc6b9ca76558b7827a3ba088312bfccab941ff650ce18170fc4242
sha512	a82f11921329998ddd4af9a44b1eff319eaca48c0656020229c3f5b5c5fbcd313fb1ee0c945426d2646dcc4d14a3f70914d63d77f26820d548dac307ebef6282
ripemd-160	d1954a064ea32f0cbf0955e6830e2eac0780fc34

81640246 as geometric shapes

Circle

Radius = n

Diameter	163280492
Circumference	512960794.14173
Area	2.0939122711043E+16

Sphere

Radius = n

Volume	2.279300172205E+24
Surface area	8.3756490844172E+16
Circumference	512960794.14173

Square

Length = n

Perimeter	326560984
Area	6665129766940516
Diagonal	115456743.12868

Cube

Length = n

Surface area	39990778601643096
Volume	5.4414283379495E+23
Space diagonal	141405054.01442

Equilateral Triangle

Length = n

Perimeter	244920738
Area	2.8860858488452E+15
Altitude	70702527.007211

Triangular Pyramid

Length = n

Surface area	2.8860858488452E+15
Volume	6.4127847951745E+22
Height	38485581.042892