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

81128567 (number)

81128567 is an odd 8-digits composite number following 81128566 and preceding 81128568. In scientific notation, it is written as 8.1128567 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 71631648 positive integers (up to 81128567) that are relatively prime to 81128567.

Interesting facts

81128567 has 8 divisors, whose sum is 91168224
The reverse of 81128567 is 76582118
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million one hundred twenty-eight thousand five hundred sixty-seven

Notation

Scientific notation	8.1128567 × 10^7
Engineering notation	8.1128567 × 10^6

Prime Factorization of 81128567

Prime Factorization 23 × 13 × 271333

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81128567	Product of the distinct prime numbers

The prime factorization of 81128567 is 23 × 13 × 271333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 78, 95, 782, 721, 6517, 5806, 70505, 70126, 645658, 62027, 452160, 1453927, 86524063, 10315556, 786165226, 224637669, 7274757868, 7199163695

Basic calculations (n = 81128567)

Multiplication

n×y

n×2	162257134
n×3	243385701
n×4	324514268
n×5	405642835

Division

n÷y

n÷2	40564283.5
n÷3	27042855.666667
n÷3	20282141.75
n÷5	16225713.4

Exponentiation

n^y

n²	6581844383473489
n³	5.339756030482E+23
n⁴	4.3320675488262E+31
n⁵	3.5145443238347E+39

Nth Root

^y√n

²√n	9007.1397790864
³√n	432.90367069897
⁴√n	94.905952284809
⁵√n	38.179897751938

Divisors of 81128567

1, 13, 23, 299, 271333, 3527329, 6240659, 81128567

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	-81128566	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 81128567 can be divided by 8 positive divisors. The sum of these divisors (counting 81128567) is 1, the average is 0.125.

Base conversion 81128567

Base	System	Value
2	Binary	100110101011110110001110111
3	Ternary	12122122202110202
4	Quaternary	10311132301313
5	Quinary	131232103232
6	Senary	12014511115
8	Octal	465366167
10	Decimal	81128567
12	Duodecimal	2320549b
16	Hexadecimal	4d5ec77
20	Vigesimal	1571187
36	Base36	1cav7b

Cryptographic Hash Functions

md5	191d7a3ccda70b51f1d2a7b5270431e5
sha1	aa26deebb1940aad858c5ef75988ca485bc1b56f
sha256	cbce7c59286ffd0bb4cd1a83b77b07a9bbf974622705a27ce40451527a68892d
sha512	c09a30c4648b4aec2f48aac5c0113ec8211093126a74f16eee43a4f91b2c4ecacf3e522d8ad39afaf3b295e44916219b76b6e1a5ddb976867439d34dda5af0f1
ripemd-160	d4023572da54964da846833428206a4247551f8d

81128567 as geometric shapes

Circle

Radius = n

Diameter	162257134
Circumference	509745820.16693
Area	2.0677473962192E+16

Sphere

Radius = n

Volume	2.2367117756432E+24
Surface area	8.2709895848766E+16
Circumference	509745820.16693

Square

Length = n

Perimeter	324514268
Area	6581844383473489
Diagonal	114733119.74729

Cube

Length = n

Surface area	39491066300840934
Volume	5.339756030482E+23
Space diagonal	140518799.98926

Equilateral Triangle

Length = n

Perimeter	243385701
Area	2.850022219922E+15
Altitude	70259399.994628

Triangular Pyramid

Length = n

Surface area	2.850022219922E+15
Volume	6.292962831726E+22
Height	38244373.249098