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

81126918 (number)

81126918 is an even 8-digits composite number following 81126917 and preceding 81126919. In scientific notation, it is written as 8.1126918 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 27042300 positive integers (up to 81126918) that are relatively prime to 81126918.

Interesting facts

81126918 has 8 divisors, whose sum is 135211560
The reverse of 81126918 is 81962118
Previous prime number is 9

Basic properties

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

Name

Name	eighty-one million one hundred twenty-six thousand nine hundred eighteen

Notation

Scientific notation	8.1126918 × 10^7
Engineering notation	8.1126918 × 10^6

Prime Factorization of 81126918

Prime Factorization 2 × 9 × 4507051

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81126918	Product of the distinct prime numbers

The prime factorization of 81126918 is 2 × 9 × 4507051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 42, 41, 405, 51, 8216, 1618, 90095, 84322, 492122, 690583, 362984, 3665708, 42400582, 19499, 443831928, 449954194, 3658434463, 8341008187

Basic calculations (n = 81126918)

Multiplication

n×y

n×2	162253836
n×3	243380754
n×4	324507672
n×5	405634590

Division

n÷y

n÷2	40563459
n÷3	27042306
n÷3	20281729.5
n÷5	16225383.6

Exponentiation

n^y

n²	6581576824178724
n³	5.3394304332585E+23
n⁴	4.3317153492566E+31
n⁵	3.5141871593849E+39

Nth Root

^y√n

²√n	9007.0482401284
³√n	432.90073764667
⁴√n	94.905470022167
⁵√n	38.179742543568

Divisors of 81126918

1, 2, 9, 18, 4507051, 9014102, 40563459, 81126918

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	-81126917	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 81126918 can be divided by 8 positive divisors. The sum of these divisors (counting 81126918) is 1, the average is 0.125.

Base conversion 81126918

Base	System	Value
2	Binary	100110101011110011000000110
3	Ternary	12122122200012200
4	Quaternary	10311132120012
5	Quinary	131232030133
6	Senary	12014455330
8	Octal	465363006
10	Decimal	81126918
12	Duodecimal	23204546
16	Hexadecimal	4d5e606
20	Vigesimal	1570h5i
36	Base36	1catxi

Cryptographic Hash Functions

md5	d7b9139804bac1f822100e876753cd58
sha1	a2c9a0ffba397995e01d35840172621d90d267a1
sha256	a0bda51147b842d67cad2b936422e7feb32f516294391da5f6d11c5f850e8c98
sha512	d40b37a5677d12c668c83d7649307b64495338ab17d9d70ef111ffa2efe571ca5c9e643efe4aa591b1b054bf607737f0cff71222d87e4a317d2d394b74c814ad
ripemd-160	c70bef98593e889178c33e9f147cdd0320db545c

81126918 as geometric shapes

Circle

Radius = n

Diameter	162253836
Circumference	509735459.19436
Area	2.0676633399877E+16

Sphere

Radius = n

Volume	2.2365753897971E+24
Surface area	8.2706533599507E+16
Circumference	509735459.19436

Square

Length = n

Perimeter	324507672
Area	6581576824178724
Diagonal	114730787.70913

Cube

Length = n

Surface area	39489460945072344
Volume	5.3394304332585E+23
Space diagonal	140515943.83747

Equilateral Triangle

Length = n

Perimeter	243380754
Area	2.8499063633488E+15
Altitude	70257971.918737

Triangular Pyramid

Length = n

Surface area	2.8499063633488E+15
Volume	6.2925791117182E+22
Height	38243595.903043