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

81584421 (number)

81584421 is an odd 8-digits composite number following 81584420 and preceding 81584422. In scientific notation, it is written as 8.1584421 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 54262560 positive integers (up to 81584421) that are relatively prime to 81584421.

Interesting facts

81584421 has 8 divisors, whose sum is 109033344
The reverse of 81584421 is 12448518
Previous prime number is 431

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million five hundred eighty-four thousand four hundred twenty-one

Notation

Scientific notation	8.1584421 × 10^7
Engineering notation	8.1584421 × 10^6

Prime Factorization of 81584421

Prime Factorization 3 × 431 × 63097

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81584421	Product of the distinct prime numbers

The prime factorization of 81584421 is 3 × 431 × 63097. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 77, 11, 786, 615, 9848, 5092, 85736, 55840, 587268, 923313, 8662196, 4575995, 65744022, 62112360, 413008118, 957192881, 1893351655, 7555585383

Basic calculations (n = 81584421)

Multiplication

n×y

n×2	163168842
n×3	244753263
n×4	326337684
n×5	407922105

Division

n÷y

n÷2	40792210.5
n÷3	27194807
n÷3	20396105.25
n÷5	16316884.2

Exponentiation

n^y

n²	6656017749905241
n³	5.4302735429174E+23
n⁴	4.4302572287054E+31
n⁵	3.6143997088499E+39

Nth Root

^y√n

²√n	9032.4094792032
³√n	433.71297217045
⁴√n	95.03898925811
⁵√n	38.222707513009

Divisors of 81584421

1, 3, 431, 1293, 63097, 189291, 27194807, 81584421

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	-81584420	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 81584421 can be divided by 8 positive divisors. The sum of these divisors (counting 81584421) is 1, the average is 0.125.

Base conversion 81584421

Base	System	Value
2	Binary	100110111001110000100100101
3	Ternary	12200111220210020
4	Quaternary	10313032010211
5	Quinary	131341200141
6	Senary	12032345353
8	Octal	467160445
10	Decimal	81584421
12	Duodecimal	233a5259
16	Hexadecimal	4dce125
20	Vigesimal	159i111
36	Base36	1ckmxx

Cryptographic Hash Functions

md5	a0375b5d877999584b387a5669b126da
sha1	03f5d36cb28815f0b43a83981ddf94d602f77a22
sha256	15268b84a3f6502aeaf305efec8ff35024d7b41e0f811c9fb8b8e4ef1c796135
sha512	bcc94ce1fbf5ec7476886ff7f0b1f0d1d08704475c8e591d0a74efc4f8650decfdeaecd04f943791b5832210920f8a16c37a56c3e2c192cfa723b777baebf3bd
ripemd-160	371a1cf215f92dcc025e8f12fa93cce881df37d8

81584421 as geometric shapes

Circle

Radius = n

Diameter	163168842
Circumference	512610035.32195
Area	2.0910496465266E+16

Sphere

Radius = n

Volume	2.2746276625883E+24
Surface area	8.3641985861062E+16
Circumference	512610035.32195

Square

Length = n

Perimeter	326337684
Area	6656017749905241
Diagonal	115377794.65656

Cube

Length = n

Surface area	39936106499431446
Volume	5.4302735429174E+23
Space diagonal	141308362.27809

Equilateral Triangle

Length = n

Perimeter	244753263
Area	2.882140229729E+15
Altitude	70654181.139045

Triangular Pyramid

Length = n

Surface area	2.882140229729E+15
Volume	6.399638743158E+22
Height	38459264.885519