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

81749043 (number)

81749043 is an odd 8-digits composite number following 81749042 and preceding 81749044. In scientific notation, it is written as 8.1749043 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 53575296 positive integers (up to 81749043) that are relatively prime to 81749043.

Interesting facts

81749043 has 8 divisors, whose sum is 92372400
The reverse of 81749043 is 34094718
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighty-one million seven hundred forty-nine thousand forty-three

Notation

Scientific notation	8.1749043 × 10^7
Engineering notation	8.1749043 × 10^6

Prime Factorization of 81749043

Prime Factorization 9 × 59 × 153953

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81749043	Product of the distinct prime numbers

The prime factorization of 81749043 is 9 × 59 × 153953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 99, 32, 540, 288, 6862, 2374, 32452, 84344, 475969, 316538, 6820319, 606731, 30452925, 6105737, 177823435, 281270364, 7540178485, 4946652813

Basic calculations (n = 81749043)

Multiplication

n×y

n×2	163498086
n×3	245247129
n×4	326996172
n×5	408745215

Division

n÷y

n÷2	40874521.5
n÷3	27249681
n÷3	20437260.75
n÷5	16349808.6

Exponentiation

n^y

n²	6682906031415849
n³	5.4632117252717E+23
n⁴	4.4661233024734E+31
n⁵	3.651013058972E+39

Nth Root

^y√n

²√n	9041.5177376368
³√n	434.00449321801
⁴√n	95.086895719845
⁵√n	38.238120323322

Divisors of 81749043

1, 9, 59, 531, 153953, 1385577, 9083227, 81749043

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	-81749042	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 81749043 can be divided by 8 positive divisors. The sum of these divisors (counting 81749043) is 1, the average is 0.125.

Base conversion 81749043

Base	System	Value
2	Binary	100110111110110010000110011
3	Ternary	12200211021121100
4	Quaternary	10313312100303
5	Quinary	131411432133
6	Senary	12040055443
8	Octal	467662063
10	Decimal	81749043
12	Duodecimal	23464583
16	Hexadecimal	4df6433
20	Vigesimal	15aicc3
36	Base36	1co5yr

Cryptographic Hash Functions

md5	6dae2ef5c516caa04b9e220a740f1659
sha1	f7487e6a9cac11a76e7b0889f83eca5fb5b00687
sha256	afd880271fc64b2f393ff4a76ec178b862b5dd401fa55398f1cff080696490fb
sha512	73ad8f6c333867b2c54f9a8587452002a3bbc671e92dbef5b89bc1bff1cf6d95e57595286e7c07aabbf5c2198f8a504107c8877ef4a2bb2d81a1b45d154fe402
ripemd-160	67ecdd748ab1d3f7844f9de05addd5c1fe291454

81749043 as geometric shapes

Circle

Radius = n

Diameter	163498086
Circumference	513644385.85359
Area	2.0994968492927E+16

Sphere

Radius = n

Volume	2.2884247761492E+24
Surface area	8.3979873971708E+16
Circumference	513644385.85359

Square

Length = n

Perimeter	326996172
Area	6682906031415849
Diagonal	115610605.32162

Cube

Length = n

Surface area	40097436188495094
Volume	5.4632117252717E+23
Space diagonal	141593495.94613

Equilateral Triangle

Length = n

Perimeter	245247129
Area	2.8937831971552E+15
Altitude	70796747.973066

Triangular Pyramid

Length = n

Surface area	2.8937831971552E+15
Volume	6.4384567633292E+22
Height	38536868.44054