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

81125742 (number)

81125742 is an even 8-digits composite number following 81125741 and preceding 81125743. In scientific notation, it is written as 8.1125742 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 27041912 positive integers (up to 81125742) that are relatively prime to 81125742.

Interesting facts

81125742 has 8 divisors, whose sum is 162251496
The reverse of 81125742 is 24752118
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	eighty-one million one hundred twenty-five thousand seven hundred forty-two

Notation

Scientific notation	8.1125742 × 10^7
Engineering notation	8.1125742 × 10^6

Prime Factorization of 81125742

Prime Factorization 2 × 3 × 13520957

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81125742	Product of the distinct prime numbers

The prime factorization of 81125742 is 2 × 3 × 13520957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 26, 29, 450, 519, 3699, 7404, 36309, 5010, 862384, 157018, 5583082, 1005550, 24383604, 77064196, 709442551, 186166576, 5299416999, 9594509643

Basic calculations (n = 81125742)

Multiplication

n×y

n×2	162251484
n×3	243377226
n×4	324502968
n×5	405628710

Division

n÷y

n÷2	40562871
n÷3	27041914
n÷3	20281435.5
n÷5	16225148.4

Exponentiation

n^y

n²	6581386015050564
n³	5.339198238594E+23
n⁴	4.3314641879103E+31
n⁵	3.5139324619065E+39

Nth Root

^y√n

²√n	9006.9829576834
³√n	432.89864588831
⁴√n	94.905126087496
⁵√n	38.179631853704

Divisors of 81125742

1, 2, 3, 6, 13520957, 27041914, 40562871, 81125742

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	-81125741	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 81125742 can be divided by 8 positive divisors. The sum of these divisors (counting 81125742) is 1, the average is 0.125.

Base conversion 81125742

Base	System	Value
2	Binary	100110101011110000101101110
3	Ternary	12122122121121010
4	Quaternary	10311132011232
5	Quinary	131232010432
6	Senary	12014450050
8	Octal	465360556
10	Decimal	81125742
12	Duodecimal	23203926
16	Hexadecimal	4d5e16e
20	Vigesimal	1570e72
36	Base36	1cat0u

Cryptographic Hash Functions

md5	ea7db52d36bc23b196c8757675ddcfb6
sha1	2956856bd2f5350c469fb0768637ef7120261181
sha256	978d15647393adc24ea87269f4800b6608fb7f608bedb494b1cef6069a00216f
sha512	571f07bb41f47236d1d559af3c5a917572ac3fc6fd14f92c84644f53f7ea02a55fb7e1a344d46567a79d254201dc416bec1078278affcbb9453411874ff967f6
ripemd-160	b2b5896bf4da66aa30425f4d1827b88219069138

81125742 as geometric shapes

Circle

Radius = n

Diameter	162251484
Circumference	509728070.16844
Area	2.0676033955321E+16

Sphere

Radius = n

Volume	2.2364781283235E+24
Surface area	8.2704135821286E+16
Circumference	509728070.16844

Square

Length = n

Perimeter	324502968
Area	6581386015050564
Diagonal	114729124.59398

Cube

Length = n

Surface area	39488316090303384
Volume	5.339198238594E+23
Space diagonal	140513906.94572

Equilateral Triangle

Length = n

Perimeter	243377226
Area	2.8498237405727E+15
Altitude	70256953.472862

Triangular Pyramid

Length = n

Surface area	2.8498237405727E+15
Volume	6.2923054676818E+22
Height	38243041.531327