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

81109742 (number)

81109742 is an even 8-digits composite number following 81109741 and preceding 81109743. In scientific notation, it is written as 8.1109742 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 34761312 positive integers (up to 81109742) that are relatively prime to 81109742.

Interesting facts

81109742 has 8 divisors, whose sum is 139045296
The reverse of 81109742 is 24790118
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	8.1109742 × 10^7
Engineering notation	8.1109742 × 10^6

Prime Factorization of 81109742

Prime Factorization 2 × 7 × 5793553

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81109742	Product of the distinct prime numbers

The prime factorization of 81109742 is 2 × 7 × 5793553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 27, 96, 404, 501, 2912, 1090, 85928, 7905, 747255, 749696, 4127165, 7852269, 70862878, 65116098, 698864042, 589572300, 9098473555, 3977636425

Basic calculations (n = 81109742)

Multiplication

n×y

n×2	162219484
n×3	243329226
n×4	324438968
n×5	405548710

Division

n÷y

n÷2	40554871
n÷3	27036580.666667
n÷3	20277435.5
n÷5	16221948.4

Exponentiation

n^y

n²	6578790247306564
n³	5.3360397963115E+23
n⁴	4.3280481118056E+31
n⁵	3.5104686571214E+39

Nth Root

^y√n

²√n	9006.0947141366
³√n	432.87018458218
⁴√n	94.900446332652
⁵√n	38.178125741607

Divisors of 81109742

1, 2, 7, 14, 5793553, 11587106, 40554871, 81109742

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	-81109741	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 81109742 can be divided by 8 positive divisors. The sum of these divisors (counting 81109742) is 1, the average is 0.125.

Base conversion 81109742

Base	System	Value
2	Binary	100110101011010001011101110
3	Ternary	12122121210122112
4	Quaternary	10311122023232
5	Quinary	131231002432
6	Senary	12014244022
8	Octal	465321356
10	Decimal	81109742
12	Duodecimal	231b6612
16	Hexadecimal	4d5a2ee
20	Vigesimal	156ie72
36	Base36	1cagoe

Cryptographic Hash Functions

md5	5f11f982a7e2f233967af9cdf31bf9d2
sha1	2f945f8cb07efc38cfd487b2feaa2e2b1d7acdfe
sha256	33da8eaa91950336d9ce442411ec6b61516ad068136cf5c2921603f5d85cb339
sha512	64c846ee623daa919aad4e7b7ba9fea1653b853b3693cf4e6a3b32b73c46799d82f324fbdf0b6447947a919b970185020a322e6e15363f8840eaca85a04d5113
ripemd-160	c7ffde856791e7902f967cd8211538bd7ab220ba

81109742 as geometric shapes

Circle

Radius = n

Diameter	162219484
Circumference	509627539.20353
Area	2.0667879110446E+16

Sphere

Radius = n

Volume	2.235155123114E+24
Surface area	8.2671516441786E+16
Circumference	509627539.20353

Square

Length = n

Perimeter	324438968
Area	6578790247306564
Diagonal	114706497.17698

Cube

Length = n

Surface area	39472741483839384
Volume	5.3360397963115E+23
Space diagonal	140486194.1328

Equilateral Triangle

Length = n

Perimeter	243329226
Area	2.8486997401684E+15
Altitude	70243097.066402

Triangular Pyramid

Length = n

Surface area	2.8486997401684E+15
Volume	6.2885832077553E+22
Height	38235499.058994