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

81404489 (number)

81404489 is an odd 8-digits prime number following 81404488 and preceding 81404490. In scientific notation, it is written as 8.1404489 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 81404488 positive integers (up to 81404489) that are relatively prime to 81404489.

Interesting facts

81404489 has 2 divisors, whose sum is 81404490
The reverse of 81404489 is 98440418
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	8.1404489 × 10^7
Engineering notation	8.1404489 × 10^6

Prime Factorization of 81404489

Prime Factorization 81404489

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81404489	Product of the distinct prime numbers

The prime factorization of 81404489 is 81404489. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 67, 57, 430, 516, 1431, 7762, 46826, 91090, 933049, 925271, 8575649, 5590258, 96364442, 71802572, 525497051, 627701581, 4850554784, 8985342864

Basic calculations (n = 81404489)

Multiplication

n×y

n×2	162808978
n×3	244213467
n×4	325617956
n×5	407022445

Division

n÷y

n÷2	40702244.5
n÷3	27134829.666667
n÷3	20351122.25
n÷5	16280897.8

Exponentiation

n^y

n²	6626690829351121
n³	5.3944238072431E+23
n⁴	4.3913031347806E+31
n⁵	3.5747178773091E+39

Nth Root

^y√n

²√n	9022.4436268674
³√n	433.39389048497
⁴√n	94.986544451661
⁵√n	38.205832812171

Divisors of 81404489

1, 81404489

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81404490	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40702245	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9022.4436822847	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999754313	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81404489 can be divided by 2 positive divisors. The sum of these divisors (counting 81404489) is 81404490, the average is 40702245.

Base conversion 81404489

Base	System	Value
2	Binary	100110110100010001001001001
3	Ternary	12200011202222002
4	Quaternary	10312202021021
5	Quinary	131314420424
6	Senary	12024440345
8	Octal	466421111
10	Decimal	81404489
12	Duodecimal	233190b5
16	Hexadecimal	4da2249
20	Vigesimal	158fb49
36	Base36	1cgs3t

Cryptographic Hash Functions

md5	8db98bd45ec3f773cbeff8a33594faf8
sha1	ca6314d205a536b635986b2afd9872397ae9fcef
sha256	454db56b90c174645b461b2335c26ce9d11eb77b20feb2e05716d63fc80292c1
sha512	77be8fea0c2a19caef7fcb29bf29a7c791454a21af926c3385584118e45b90753d5a6e307f8b0f937a748cd0a0d5079d7aa11bc18c0e7013eb59b2c54b4077d3
ripemd-160	049a774440d22a924a24fa68061ea1163e4be765

81404489 as geometric shapes

Circle

Radius = n

Diameter	162808978
Circumference	511479489.22326
Area	2.08183632271E+16

Sphere

Radius = n

Volume	2.2596109604247E+24
Surface area	8.3273452908401E+16
Circumference	511479489.22326

Square

Length = n

Perimeter	325617956
Area	6626690829351121
Diagonal	115123332.38185

Cube

Length = n

Surface area	39760144976106726
Volume	5.3944238072431E+23
Space diagonal	140996710.91218

Equilateral Triangle

Length = n

Perimeter	244213467
Area	2.8694413006217E+15
Altitude	70498355.456091

Triangular Pyramid

Length = n

Surface area	2.8694413006217E+15
Volume	6.357389424493E+22
Height	38374444.127284