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

81291241 (number)

81291241 is an odd 8-digits composite number following 81291240 and preceding 81291242. In scientific notation, it is written as 8.1291241 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 79757392 positive integers (up to 81291241) that are relatively prime to 81291241.

Interesting facts

81291241 has 4 divisors, whose sum is 82825092
The reverse of 81291241 is 14219218
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	8.1291241 × 10^7
Engineering notation	8.1291241 × 10^6

Prime Factorization of 81291241

Prime Factorization 53 × 1533797

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81291241	Product of the distinct prime numbers

The prime factorization of 81291241 is 53 × 1533797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 35, 12, 31, 495, 2488, 1228, 40506, 48273, 530447, 857476, 7553739, 5871201, 48740964, 8105726, 847776109, 666842012, 5222342837, 459722623

Basic calculations (n = 81291241)

Multiplication

n×y

n×2	162582482
n×3	243873723
n×4	325164964
n×5	406456205

Division

n÷y

n÷2	40645620.5
n÷3	27097080.333333
n÷3	20322810.25
n÷5	16258248.2

Exponentiation

n^y

n²	6608265863320081
n³	5.3719413288723E+23
n⁴	4.3669177720321E+31
n⁵	3.5499216503345E+39

Nth Root

^y√n

²√n	9016.165537522
³√n	433.19282143819
⁴√n	94.953491444612
⁵√n	38.19519668161

Divisors of 81291241

1, 53, 1533797, 81291241

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	-81291240	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 81291241 can be divided by 4 positive divisors. The sum of these divisors (counting 81291241) is 1, the average is 0.25.

Base conversion 81291241

Base	System	Value
2	Binary	100110110000110011111101001
3	Ternary	12122222000121201
4	Quaternary	10312012133221
5	Quinary	131302304431
6	Senary	12022204201
8	Octal	466063751
10	Decimal	81291241
12	Duodecimal	23283661
16	Hexadecimal	4d867e9
20	Vigesimal	1581821
36	Base36	1cecq1

Cryptographic Hash Functions

md5	e697c3d1544448ecfd3c8b226e5520bf
sha1	a449b13de2d75d3d1d6d2a4deead3dfd6b913db5
sha256	27dab9f68740adf998ebfd1fb445eecfd970b3f038ae12dc712859fd67d1531b
sha512	870401a33981a20b611a721b33f1910e154d32abe5a20e48a1a1a8d5395108032c58e25533db69bad3a7f7b37315ff347bc0696e346ded58dc0c61d4f04ccacc
ripemd-160	7585876eec836f4e679c7fa4c4abd708ed07849d

81291241 as geometric shapes

Circle

Radius = n

Diameter	162582482
Circumference	510767931.05359
Area	2.0760479489175E+16

Sphere

Radius = n

Volume	2.2501935219067E+24
Surface area	8.3041917956698E+16
Circumference	510767931.05359

Square

Length = n

Perimeter	325164964
Area	6608265863320081
Diagonal	114963175.52434

Cube

Length = n

Surface area	39649595179920486
Volume	5.3719413288723E+23
Space diagonal	140800559.62233

Equilateral Triangle

Length = n

Perimeter	243873723
Area	2.8614630562983E+15
Altitude	70400279.811163

Triangular Pyramid

Length = n

Surface area	2.8614630562983E+15
Volume	6.3308935696364E+22
Height	38321058.508113