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

81231683 (number)

81231683 is an odd 8-digits composite number following 81231682 and preceding 81231684. In scientific notation, it is written as 8.1231683 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 74983080 positive integers (up to 81231683) that are relatively prime to 81231683.

Interesting facts

81231683 has 4 divisors, whose sum is 87480288
The reverse of 81231683 is 38613218
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million two hundred thirty-one thousand six hundred eighty-three

Notation

Scientific notation	8.1231683 × 10^7
Engineering notation	8.1231683 × 10^6

Prime Factorization of 81231683

Prime Factorization 13 × 6248591

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81231683	Product of the distinct prime numbers

The prime factorization of 81231683 is 13 × 6248591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 17, 88, 116, 41, 901, 9417, 45336, 68283, 772448, 857876, 1193557, 5621546, 19235718, 56548012, 650765724, 692716077, 5922193949, 8576268619

Basic calculations (n = 81231683)

Multiplication

n×y

n×2	162463366
n×3	243695049
n×4	324926732
n×5	406158415

Division

n÷y

n÷2	40615841.5
n÷3	27077227.666667
n÷3	20307920.75
n÷5	16246336.6

Exponentiation

n^y

n²	6598586323012489
n³	5.3601427243909E+23
n⁴	4.3541341462247E+31
n⁵	3.536936447056E+39

Nth Root

^y√n

²√n	9012.8620870398
³√n	433.08700273366
⁴√n	94.93609475347
⁵√n	38.189598301144

Divisors of 81231683

1, 13, 6248591, 81231683

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	-81231682	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 81231683 can be divided by 4 positive divisors. The sum of these divisors (counting 81231683) is 1, the average is 0.25.

Base conversion 81231683

Base	System	Value
2	Binary	100110101110111111101000011
3	Ternary	12122211222220212
4	Quaternary	10311313331003
5	Quinary	131243403213
6	Senary	12021024335
8	Octal	465677503
10	Decimal	81231683
12	Duodecimal	232550ab
16	Hexadecimal	4d77f43
20	Vigesimal	157dj43
36	Base36	1cd2rn

Cryptographic Hash Functions

md5	23111362017c9fa9ac03ac94a4b29f07
sha1	ed8e61b0e7268a6cd791e53b92280d10a92859fc
sha256	52450260c7950ae0d29036cacbaf47461c90100d6fe19affe693257fdab6184b
sha512	c6780a99ccf3740820f1353e80046dc468d8f2fb94d193ab9a92e99d5eb9274d7aa176aa858bbf56a034b75366eb262be5f4613b5a4907fc886ed1f618bcdfc0
ripemd-160	2188d6df6ce952b7be3080f984b3a08d90dc7f84

81231683 as geometric shapes

Circle

Radius = n

Diameter	162463366
Circumference	510393717.10307
Area	2.0730070316454E+16

Sphere

Radius = n

Volume	2.2452513340185E+24
Surface area	8.2920281265816E+16
Circumference	510393717.10307

Square

Length = n

Perimeter	324926732
Area	6598586323012489
Diagonal	114878947.79299

Cube

Length = n

Surface area	39591517938074934
Volume	5.3601427243909E+23
Space diagonal	140697402.14033

Equilateral Triangle

Length = n

Perimeter	243695049
Area	2.8572716923967E+15
Altitude	70348701.070165

Triangular Pyramid

Length = n

Surface area	2.8572716923967E+15
Volume	6.3169887809075E+22
Height	38292982.597664