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

81330489 (number)

81330489 is an odd 8-digits composite number following 81330488 and preceding 81330490. In scientific notation, it is written as 8.1330489 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 54220320 positive integers (up to 81330489) that are relatively prime to 81330489.

Interesting facts

81330489 has 6 divisors, whose sum is 117477386
The reverse of 81330489 is 98403318
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	8.1330489 × 10^7
Engineering notation	8.1330489 × 10^6

Prime Factorization of 81330489

Prime Factorization 3 × 3 × 9036721

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	27110163	Product of the distinct prime numbers

The prime factorization of 81330489 is 3 × 3 × 9036721. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 54, 2, 31, 748, 4268, 5, 71069, 67717, 776382, 451223, 3765936, 7942775, 25911876, 98578266, 13592883, 534808847, 5495614607, 9226492326

Basic calculations (n = 81330489)

Multiplication

n×y

n×2	162660978
n×3	243991467
n×4	325321956
n×5	406652445

Division

n÷y

n÷2	40665244.5
n÷3	27110163
n÷3	20332622.25
n÷5	16266097.8

Exponentiation

n^y

n²	6614648440979121
n³	5.3797259226792E+23
n⁴	4.3753573997748E+31
n⁵	3.5584995687345E+39

Nth Root

^y√n

²√n	9018.3418098894
³√n	433.26252643206
⁴√n	94.96495042851
⁵√n	38.19888415307

Divisors of 81330489

1, 3, 9, 9036721, 27110163, 81330489

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81330488	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330489 can be divided by 6 positive divisors. The sum of these divisors (counting 81330489) is 1, the average is 0.16666666666667.

Base conversion 81330489

Base	System	Value
2	Binary	100110110010000000100111001
3	Ternary	12200001000110100
4	Quaternary	10312100010321
5	Quinary	131310033424
6	Senary	12023110013
8	Octal	466200471
10	Decimal	81330489
12	Duodecimal	232a2309
16	Hexadecimal	4d90139
20	Vigesimal	1586649
36	Base36	1cf709

Cryptographic Hash Functions

md5	964422593100b904ad077d61e77fc2b2
sha1	274d572587c7755ee079663949361177a2cb771b
sha256	14e3fdd61811ca8fa9384ade3bc17d78648084692c6d65b1010f04b74a2a5eb2
sha512	09776fa73e97cb3bb5ccbaf50d064bd9d17e0f4e9967011cd75de8df100775c5ab1fca5964c90760a0592cf512ea3d99ca1a5e68305933933b4f5a08caf9ce1c
ripemd-160	38d07c1ee4f0af4fc81ee8cac65ce65ca29a7097

81330489 as geometric shapes

Circle

Radius = n

Diameter	162660978
Circumference	511014533.51053
Area	2.0780530948259E+16

Sphere

Radius = n

Volume	2.2534543249354E+24
Surface area	8.3122123793037E+16
Circumference	511014533.51053

Square

Length = n

Perimeter	325321956
Area	6614648440979121
Diagonal	115018680.57824

Cube

Length = n

Surface area	39687890645874726
Volume	5.3797259226792E+23
Space diagonal	140868539.15242

Equilateral Triangle

Length = n

Perimeter	243991467
Area	2.8642267934955E+15
Altitude	70434269.576211

Triangular Pyramid

Length = n

Surface area	2.8642267934955E+15
Volume	6.3400678014192E+22
Height	38339560.192745