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

81142255 (number)

81142255 is an odd 8-digits composite number following 81142254 and preceding 81142256. In scientific notation, it is written as 8.1142255 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 61497216 positive integers (up to 81142255) that are relatively prime to 81142255.

Interesting facts

81142255 has 8 divisors, whose sum is 102495600
The reverse of 81142255 is 55224118
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million one hundred forty-two thousand two hundred fifty-five

Notation

Scientific notation	8.1142255 × 10^7
Engineering notation	8.1142255 × 10^6

Prime Factorization of 81142255

Prime Factorization 5 × 19 × 854129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81142255	Product of the distinct prime numbers

The prime factorization of 81142255 is 5 × 19 × 854129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 80, 6, 933, 952, 7271, 9079, 44462, 80916, 468285, 807344, 4126445, 6792641, 34561366, 90793260, 420032447, 413384441, 6430229969, 3413713934

Basic calculations (n = 81142255)

Multiplication

n×y

n×2	162284510
n×3	243426765
n×4	324569020
n×5	405711275

Division

n÷y

n÷2	40571127.5
n÷3	27047418.333333
n÷3	20285563.75
n÷5	16228451

Exponentiation

n^y

n²	6584065546485025
n³	5.342459255096E+23
n⁴	4.3349919120411E+31
n⁵	3.5175101914978E+39

Nth Root

^y√n

²√n	9007.8995886944
³√n	432.92801581126
⁴√n	94.909955161165
⁵√n	38.181186006356

Divisors of 81142255

1, 5, 19, 95, 854129, 4270645, 16228451, 81142255

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	-81142254	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 81142255 can be divided by 8 positive divisors. The sum of these divisors (counting 81142255) is 1, the average is 0.125.

Base conversion 81142255

Base	System	Value
2	Binary	100110101100010000111101111
3	Ternary	12122200110020201
4	Quaternary	10311202013233
5	Quinary	131233023010
6	Senary	12015054331
8	Octal	465420757
10	Decimal	81142255
12	Duodecimal	232113a7
16	Hexadecimal	4d621ef
20	Vigesimal	1572fcf
36	Base36	1cb5rj

Cryptographic Hash Functions

md5	9093455a26b7988045f2458dd2cb518a
sha1	663b674f0dd6f935471f551a3b6f1ec9e17272c2
sha256	086a43d47a903e7345e01228846a44e4581bcaeea5a42e312ed60e22b552d683
sha512	2aaaf8925f34c109115277331548b377959f4c50f24a20cc26aaaeea3ebfabebb01fa2bbba3b8a5f6b3c88d61d1451e3c085db2662f281a8b29246be57f4faa0
ripemd-160	f5e6357f4adc2e3f169d27da103388d9b791d806

81142255 as geometric shapes

Circle

Radius = n

Diameter	162284510
Circumference	509831824.40742
Area	2.0684451951591E+16

Sphere

Radius = n

Volume	2.2378440997217E+24
Surface area	8.2737807806364E+16
Circumference	509831824.40742

Square

Length = n

Perimeter	324569020
Area	6584065546485025
Diagonal	114752477.50254

Cube

Length = n

Surface area	39504393278910150
Volume	5.342459255096E+23
Space diagonal	140542508.30071

Equilateral Triangle

Length = n

Perimeter	243426765
Area	2.850984011719E+15
Altitude	70271254.150355

Triangular Pyramid

Length = n

Surface area	2.850984011719E+15
Volume	6.2961486124854E+22
Height	38250825.834179