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

81640263 (number)

81640263 is an odd 8-digits composite number following 81640262 and preceding 81640264. In scientific notation, it is written as 8.1640263 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54426840 positive integers (up to 81640263) that are relatively prime to 81640263.

Interesting facts

81640263 has 4 divisors, whose sum is 108853688
The reverse of 81640263 is 36204618
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	8.1640263 × 10^7
Engineering notation	8.1640263 × 10^6

Prime Factorization of 81640263

Prime Factorization 3 × 27213421

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81640263	Product of the distinct prime numbers

The prime factorization of 81640263 is 3 × 27213421. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 34, 27, 149, 134, 8102, 6957, 56642, 83396, 328868, 973322, 4169435, 4199303, 13603422, 37708620, 376004258, 770848267, 9414990508, 3097499604

Basic calculations (n = 81640263)

Multiplication

n×y

n×2	163280526
n×3	244920789
n×4	326561052
n×5	408201315

Division

n÷y

n÷2	40820131.5
n÷3	27213421
n÷3	20410065.75
n÷5	16328052.6

Exponentiation

n^y

n²	6665132542709169
n³	5.4414317371664E+23
n⁴	4.4423991811881E+31
n⁵	3.6267863750318E+39

Nth Root

^y√n

²√n	9035.5001521775
³√n	433.81190395091
⁴√n	95.055247893935
⁵√n	38.227938532034

Divisors of 81640263

1, 3, 27213421, 81640263

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	-81640262	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 81640263 can be divided by 4 positive divisors. The sum of these divisors (counting 81640263) is 1, the average is 0.25.

Base conversion 81640263

Base	System	Value
2	Binary	100110111011011101101000111
3	Ternary	12200121202101110
4	Quaternary	10313123231013
5	Quinary	131344442023
6	Senary	12033500103
8	Octal	467335507
10	Decimal	81640263
12	Duodecimal	23411633
16	Hexadecimal	4ddbb47
20	Vigesimal	15a50d3
36	Base36	1clu13

Cryptographic Hash Functions

md5	199042e35752b0dac092d92ef0260f63
sha1	9bc50a2642b899876851a56266061d5b0e6a7ecf
sha256	bd41e54281f296e94af50c4e522f5b1402de816fade089e3f8a5bcfc968b437c
sha512	34561b4f254af501bd2ed8fcb0631839cd85bb086684327cd9f5132ea814e5f0b13732480927bb2ef5d0cae0e8c4b90e785d71c4d0b36c2947420ee147aa0e42
ripemd-160	f0c7de8c0a19b1668f26455d47be42f8ac9d1bde

81640263 as geometric shapes

Circle

Radius = n

Diameter	163280526
Circumference	512960900.95588
Area	2.0939131431377E+16

Sphere

Radius = n

Volume	2.2793015960656E+24
Surface area	8.375652572551E+16
Circumference	512960900.95588

Square

Length = n

Perimeter	326561052
Area	6665132542709169
Diagonal	115456767.17031

Cube

Length = n

Surface area	39990795256255014
Volume	5.4414317371664E+23
Space diagonal	141405083.45929

Equilateral Triangle

Length = n

Perimeter	244920789
Area	2.8860870507883E+15
Altitude	70702541.729643

Triangular Pyramid

Length = n

Surface area	2.8860870507883E+15
Volume	6.41278880119E+22
Height	38485589.056769