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

81489061 (number)

81489061 is an odd 8-digits composite number following 81489060 and preceding 81489062. In scientific notation, it is written as 8.1489061 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 81449932 positive integers (up to 81489061) that are relatively prime to 81489061.

Interesting facts

81489061 has 4 divisors, whose sum is 81528192
The reverse of 81489061 is 16098418
Previous prime number is 2207

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million four hundred eighty-nine thousand sixty-one

Notation

Scientific notation	8.1489061 × 10^7
Engineering notation	8.1489061 × 10^6

Prime Factorization of 81489061

Prime Factorization 2207 × 36923

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489061	Product of the distinct prime numbers

The prime factorization of 81489061 is 2207 × 36923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 99, 38, 585, 775, 8157, 5435, 95806, 83635, 260169, 482581, 7157289, 3713017, 75607436, 17249080, 922377042, 631849980, 4353806036, 1384312702

Basic calculations (n = 81489061)

Multiplication

n×y

n×2	162978122
n×3	244467183
n×4	325956244
n×5	407445305

Division

n÷y

n÷2	40744530.5
n÷3	27163020.333333
n÷3	20372265.25
n÷5	16297812.2

Exponentiation

n^y

n²	6640467062661721
n³	5.4112542553773E+23
n⁴	4.4095802810295E+31
n⁵	3.5933255650521E+39

Nth Root

^y√n

²√n	9027.1291671273
³√n	433.54392439922
⁴√n	95.011205481918
⁵√n	38.213768005477

Divisors of 81489061

1, 2207, 36923, 81489061

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	-81489060	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 81489061 can be divided by 4 positive divisors. The sum of these divisors (counting 81489061) is 1, the average is 0.25.

Base conversion 81489061

Base	System	Value
2	Binary	100110110110110110010100101
3	Ternary	12200100001222101
4	Quaternary	10312312302211
5	Quinary	131330122221
6	Senary	12030332101
8	Octal	466666245
10	Decimal	81489061
12	Duodecimal	2335a031
16	Hexadecimal	4db6ca5
20	Vigesimal	15962d1
36	Base36	1cild1

Cryptographic Hash Functions

md5	96546d73174f5c56e8c117a10c383249
sha1	59b0163d3e7ba7b0eced6a1676a14fe85836cfd6
sha256	f5d95e0aa4ed1ddb2dc681231319d0b0301328e8da5ecb6e1950e6b49daa2b6d
sha512	e653b308d34c8f4c376410e59044b888967d7b91c8d44d14892bddbb934df38720dc7c160a2e4fae63c9d6a00aa3ed8db861355a7cd8c36088132d495400531d
ripemd-160	bc73002cf9e86e9b4f3d109e610b5cdd51f6d6a1

81489061 as geometric shapes

Circle

Radius = n

Diameter	162978122
Circumference	512010870.77106
Area	2.0861642540463E+16

Sphere

Radius = n

Volume	2.2666608820533E+24
Surface area	8.3446570161852E+16
Circumference	512010870.77106

Square

Length = n

Perimeter	325956244
Area	6640467062661721
Diagonal	115242935.25125

Cube

Length = n

Surface area	39842802375970326
Volume	5.4112542553773E+23
Space diagonal	141143193.91308

Equilateral Triangle

Length = n

Perimeter	244467183
Area	2.8754065846294E+15
Altitude	70571596.95654

Triangular Pyramid

Length = n

Surface area	2.8754065846294E+15
Volume	6.3772242978364E+22
Height	38414311.750416