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

81298613 (number)

81298613 is an odd 8-digits composite number following 81298612 and preceding 81298614. In scientific notation, it is written as 8.1298613 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 72104800 positive integers (up to 81298613) that are relatively prime to 81298613.

Interesting facts

81298613 has 8 divisors, whose sum is 90853056
The reverse of 81298613 is 31689218
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million two hundred ninety-eight thousand six hundred thirteen

Notation

Scientific notation	8.1298613 × 10^7
Engineering notation	8.1298613 × 10^6

Prime Factorization of 81298613

Prime Factorization 11 × 41 × 180263

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81298613	Product of the distinct prime numbers

The prime factorization of 81298613 is 11 × 41 × 180263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 75, 59, 780, 869, 4469, 5660, 22781, 30800, 585373, 208154, 2523152, 5899818, 64312455, 57526178, 337272471, 384923147, 6345989737, 5076646852

Basic calculations (n = 81298613)

Multiplication

n×y

n×2	162597226
n×3	243895839
n×4	325194452
n×5	406493065

Division

n÷y

n÷2	40649306.5
n÷3	27099537.666667
n÷3	20324653.25
n÷5	16259722.6

Exponentiation

n^y

n²	6609464475723769
n³	5.3734029454911E+23
n⁴	4.3685020655854E+31
n⁵	3.5515315881973E+39

Nth Root

^y√n

²√n	9016.5743494966
³√n	433.20591592376
⁴√n	94.955644116064
⁵√n	38.19588941252

Divisors of 81298613

1, 11, 41, 451, 180263, 1982893, 7390783, 81298613

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	-81298612	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 81298613 can be divided by 8 positive divisors. The sum of these divisors (counting 81298613) is 1, the average is 0.125.

Base conversion 81298613

Base	System	Value
2	Binary	100110110001000010010110101
3	Ternary	12122222101201202
4	Quaternary	10312020102311
5	Quinary	131303023423
6	Senary	12022302245
8	Octal	466102265
10	Decimal	81298613
12	Duodecimal	23287985
16	Hexadecimal	4d884b5
20	Vigesimal	15826ad
36	Base36	1ceiet

Cryptographic Hash Functions

md5	5e78ef9fa46dbd94fb36b9e6a3042f41
sha1	b00cbb042784c64062df4c117d3050998fe21f8b
sha256	7a879b81b9a0577165824cb695875ae1c9138dd0dd98115cec39bb8fdb0625b9
sha512	ff2ef86f93807e8f551b00a769be6c17f6f4b58b0094a0a0d973b51250e7f2d300c23ca1f9536b746ff197fec9834393bf0a1b1fbbf3e2024b3a3e86b470de00
ripemd-160	2cc39b21ff48e53927ed7a96a4cbbf12efb651ba

81298613 as geometric shapes

Circle

Radius = n

Diameter	162597226
Circumference	510814250.69568
Area	2.0764245041097E+16

Sphere

Radius = n

Volume	2.2508057624444E+24
Surface area	8.3056980164386E+16
Circumference	510814250.69568

Square

Length = n

Perimeter	325194452
Area	6609464475723769
Diagonal	114973601.10672

Cube

Length = n

Surface area	39656786854342614
Volume	5.3734029454911E+23
Space diagonal	140813328.30088

Equilateral Triangle

Length = n

Perimeter	243895839
Area	2.8619820706938E+15
Altitude	70406664.15044

Triangular Pyramid

Length = n

Surface area	2.8619820706938E+15
Volume	6.3326161013409E+22
Height	38324533.702241