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

81749266 (number)

81749266 is an even 8-digits composite number following 81749265 and preceding 81749267. In scientific notation, it is written as 8.1749266 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 40860420 positive integers (up to 81749266) that are relatively prime to 81749266.

Interesting facts

81749266 has 8 divisors, whose sum is 122666544
The reverse of 81749266 is 66294718
Previous prime number is 4003

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million seven hundred forty-nine thousand two hundred sixty-six

Notation

Scientific notation	8.1749266 × 10^7
Engineering notation	8.1749266 × 10^6

Prime Factorization of 81749266

Prime Factorization 2 × 4003 × 10211

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81749266	Product of the distinct prime numbers

The prime factorization of 81749266 is 2 × 4003 × 10211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 3, 86, 8, 383, 5381, 553, 17803, 76918, 614618, 964337, 3438750, 163960, 42426476, 10935916, 914232464, 973400052, 9483231334, 9820276437

Basic calculations (n = 81749266)

Multiplication

n×y

n×2	163498532
n×3	245247798
n×4	326997064
n×5	408746330

Division

n÷y

n÷2	40874633
n÷3	27249755.333333
n÷3	20437316.5
n÷5	16349853.2

Exponentiation

n^y

n²	6682942491538756
n³	5.463256434035E+23
n⁴	4.4661720345214E+31
n⁵	3.6510628565185E+39

Nth Root

^y√n

²√n	9041.5300696287
³√n	434.00488785225
⁴√n	95.08696056573
⁵√n	38.238141184952

Divisors of 81749266

1, 2, 4003, 8006, 10211, 20422, 40874633, 81749266

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	-81749265	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 81749266 can be divided by 8 positive divisors. The sum of these divisors (counting 81749266) is 1, the average is 0.125.

Base conversion 81749266

Base	System	Value
2	Binary	100110111110110010100010010
3	Ternary	12200211021220121
4	Quaternary	10313312110102
5	Quinary	131411434031
6	Senary	12040100454
8	Octal	467662422
10	Decimal	81749266
12	Duodecimal	2346472a
16	Hexadecimal	4df6512
20	Vigesimal	15aid36
36	Base36	1co64y

Cryptographic Hash Functions

md5	111e33fb48d7b4949c60577d7b30e81e
sha1	2e0a4e642d676bff42c73cd76c7e98d53ef6f7ca
sha256	ae354682261ed5f235405d0f2820c43ad54cf18e5fa7cebf2d5a85a343223f84
sha512	26da965ba7c85f0801d591435e244e5103789d8708728acde2dc02b418a7dacf3233d8d5c7956a47be17cc7f8945bb78dd3f9dc2dcfc0550e6aa6ae1f47cee00
ripemd-160	497be1c3f0725cd037b905c33bf3ab27ed98125a

81749266 as geometric shapes

Circle

Radius = n

Diameter	163498532
Circumference	513645787.00392
Area	2.0995083035781E+16

Sphere

Radius = n

Volume	2.2884435037122E+24
Surface area	8.3980332143125E+16
Circumference	513645787.00392

Square

Length = n

Perimeter	326997064
Area	6682942491538756
Diagonal	115610920.69125

Cube

Length = n

Surface area	40097654949232536
Volume	5.463256434035E+23
Space diagonal	141593882.19346

Equilateral Triangle

Length = n

Perimeter	245247798
Area	2.8937989848515E+15
Altitude	70796941.096731

Triangular Pyramid

Length = n

Surface area	2.8937989848515E+15
Volume	6.438509453112E+22
Height	38536973.563749