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

81121143 (number)

81121143 is an odd 8-digits composite number following 81121142 and preceding 81121144. In scientific notation, it is written as 8.1121143 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 54080760 positive integers (up to 81121143) that are relatively prime to 81121143.

Interesting facts

81121143 has 4 divisors, whose sum is 108161528
The reverse of 81121143 is 34112118
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	eighty-one million one hundred twenty-one thousand one hundred forty-three

Notation

Scientific notation	8.1121143 × 10^7
Engineering notation	8.1121143 × 10^6

Prime Factorization of 81121143

Prime Factorization 3 × 27040381

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81121143	Product of the distinct prime numbers

The prime factorization of 81121143 is 3 × 27040381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 100, 2, 100, 207, 3550, 3417, 57809, 59276, 63576, 849701, 4737818, 8266414, 61991555, 617241, 359279725, 729032097, 3754798742, 8020324133

Basic calculations (n = 81121143)

Multiplication

n×y

n×2	162242286
n×3	243363429
n×4	324484572
n×5	405605715

Division

n÷y

n÷2	40560571.5
n÷3	27040381
n÷3	20280285.75
n÷5	16224228.6

Exponentiation

n^y

n²	6580639841626449
n³	5.3382902562408E+23
n⁴	4.3304820725201E+31
n⁵	3.5129365546384E+39

Nth Root

^y√n

²√n	9006.7276521498
³√n	432.89046542489
⁴√n	94.903781021358
⁵√n	38.179198964945

Divisors of 81121143

1, 3, 27040381, 81121143

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81121142	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121143 can be divided by 4 positive divisors. The sum of these divisors (counting 81121143) is 1, the average is 0.25.

Base conversion 81121143

Base	System	Value
2	Binary	100110101011100111101110111
3	Ternary	12122122101021210
4	Quaternary	10311130331313
5	Quinary	131231334033
6	Senary	12014412503
8	Octal	465347567
10	Decimal	81121143
12	Duodecimal	23201133
16	Hexadecimal	4d5cf77
20	Vigesimal	15702h3
36	Base36	1caph3

Cryptographic Hash Functions

md5	b676099f0b942b7c9b153b44e616ab28
sha1	7599960de02f639c742a0a97a6ccf97db1820304
sha256	531525b0b4fbb5e5468b514d515b84024849b3c507a62dd62530a4eab951b1a1
sha512	f5672874b55730e44755c6f5710de5e0fcba93f5f3f02a97b3470a0e7e5789d531a30508d68c6365b4e0170c72fe602109896a677417c540025d188c3c0dbeca
ripemd-160	574afa60cc465cda490789dab478073a4e587e92

81121143 as geometric shapes

Circle

Radius = n

Diameter	162242286
Circumference	509699173.79921
Area	2.0673689782374E+16

Sphere

Radius = n

Volume	2.2360977935648E+24
Surface area	8.2694759129496E+16
Circumference	509699173.79921

Square

Length = n

Perimeter	324484572
Area	6580639841626449
Diagonal	114722620.62581

Cube

Length = n

Surface area	39483839049758694
Volume	5.3382902562408E+23
Space diagonal	140505941.24406

Equilateral Triangle

Length = n

Perimeter	243363429
Area	2.8495006380023E+15
Altitude	70252970.62203

Triangular Pyramid

Length = n

Surface area	2.8495006380023E+15
Volume	6.2912354002165E+22
Height	38240873.541936