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

81330789 (number)

81330789 is an odd 8-digits composite number following 81330788 and preceding 81330790. In scientific notation, it is written as 8.1330789 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 54199136 positive integers (up to 81330789) that are relatively prime to 81330789.

Interesting facts

81330789 has 8 divisors, whose sum is 108483840
The reverse of 81330789 is 98703318
Previous prime number is 4127

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	eighty-one million three hundred thirty thousand seven hundred eighty-nine

Notation

Scientific notation	8.1330789 × 10^7
Engineering notation	8.1330789 × 10^6

Prime Factorization of 81330789

Prime Factorization 3 × 4127 × 6569

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81330789	Product of the distinct prime numbers

The prime factorization of 81330789 is 3 × 4127 × 6569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 68, 21, 925, 989, 5017, 4806, 73270, 71776, 944627, 592490, 2228516, 7483267, 42179252, 98134469, 870849253, 104878686, 1260572861, 3700389534

Basic calculations (n = 81330789)

Multiplication

n×y

n×2	162661578
n×3	243992367
n×4	325323156
n×5	406653945

Division

n÷y

n÷2	40665394.5
n÷3	27110263
n÷3	20332697.25
n÷5	16266157.8

Exponentiation

n^y

n²	6614697239362521
n³	5.3797854547348E+23
n⁴	4.375421956843E+31
n⁵	3.5585651995797E+39

Nth Root

^y√n

²√n	9018.3584426435
³√n	433.26305914986
⁴√n	94.965038001591
⁵√n	38.198912333519

Divisors of 81330789

1, 3, 4127, 6569, 12381, 19707, 27110263, 81330789

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	-81330788	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 81330789 can be divided by 8 positive divisors. The sum of these divisors (counting 81330789) is 1, the average is 0.125.

Base conversion 81330789

Base	System	Value
2	Binary	100110110010000001001100101
3	Ternary	12200001000212110
4	Quaternary	10312100021211
5	Quinary	131310041124
6	Senary	12023111233
8	Octal	466201145
10	Decimal	81330789
12	Duodecimal	232a2519
16	Hexadecimal	4d90265
20	Vigesimal	15866j9
36	Base36	1cf78l

Cryptographic Hash Functions

md5	be54f160c42f9ec07637b2fc90d795f1
sha1	be262c7417ef807bab175e4e17a8b596d245116f
sha256	38079be6071ef89d70b525202977151b120d9d1d819edf1d1a353c69091942c7
sha512	846736847cd2d2b6ad0be7aa4fc19a3fe8513ea7ab94304fdd6d662b4680f644f954f5936777301e54e30138a77f47e9c45f3fd9a259fb863290541b4a0c1b15
ripemd-160	ea7e069f65447e0b436e3f2970c91fcdbe6c5004

81330789 as geometric shapes

Circle

Radius = n

Diameter	162661578
Circumference	511016418.46612
Area	2.0780684252902E+16

Sphere

Radius = n

Volume	2.2534792616645E+24
Surface area	8.3122737011608E+16
Circumference	511016418.46612

Square

Length = n

Perimeter	325323156
Area	6614697239362521
Diagonal	115019104.8423

Cube

Length = n

Surface area	39688183436175126
Volume	5.3797854547348E+23
Space diagonal	140869058.76766

Equilateral Triangle

Length = n

Perimeter	243992367
Area	2.8642479238154E+15
Altitude	70434529.383832

Triangular Pyramid

Length = n

Surface area	2.8642479238154E+15
Volume	6.3401379606195E+22
Height	38339701.614102