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

81490469 (number)

81490469 is an odd 8-digits composite number following 81490468 and preceding 81490470. In scientific notation, it is written as 8.1490469 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 76696896 positive integers (up to 81490469) that are relatively prime to 81490469.

Interesting facts

81490469 has 4 divisors, whose sum is 86284044
The reverse of 81490469 is 96409418
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	8.1490469 × 10^7
Engineering notation	8.1490469 × 10^6

Prime Factorization of 81490469

Prime Factorization 17 × 4793557

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490469	Product of the distinct prime numbers

The prime factorization of 81490469 is 17 × 4793557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 72, 2, 579, 235, 7112, 8124, 98294, 307, 269150, 316578, 3621915, 8647481, 24582515, 69623199, 674722047, 767094876, 9419062549, 8014751544

Basic calculations (n = 81490469)

Multiplication

n×y

n×2	162980938
n×3	244471407
n×4	325961876
n×5	407452345

Division

n÷y

n÷2	40745234.5
n÷3	27163489.666667
n÷3	20372617.25
n÷5	16298093.8

Exponentiation

n^y

n²	6640696537839961
n³	5.4115347535525E+23
n⁴	4.409885050768E+31
n⁵	3.5936360102317E+39

Nth Root

^y√n

²√n	9027.2071539319
³√n	433.54642136557
⁴√n	95.01161588949
⁵√n	38.213900059063

Divisors of 81490469

1, 17, 4793557, 81490469

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	-81490468	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 81490469 can be divided by 4 positive divisors. The sum of these divisors (counting 81490469) is 1, the average is 0.25.

Base conversion 81490469

Base	System	Value
2	Binary	100110110110111001000100101
3	Ternary	12200100010220112
4	Quaternary	10312313020211
5	Quinary	131330143334
6	Senary	12030342405
8	Octal	466671045
10	Decimal	81490469
12	Duodecimal	2335aa05
16	Hexadecimal	4db7225
20	Vigesimal	1596639
36	Base36	1cimg5

Cryptographic Hash Functions

md5	6fe614ffe2153d5306e543c7e94a758a
sha1	81950182b29b5b4e571a1529f111aa0af61d7754
sha256	e470e1bc37e2643f0117a7b822aca16180f4674090e85eeb00739ac8f51d8cc1
sha512	7b6d39ede8c8530424593ec2803df0ef1f8c8eb4f759b377ff385596c707e71a1eda65521ab01f1049cd6f7a992582ce86796c6be5f84a6e025459fff9c04b9f
ripemd-160	cc1932c758eb01f73c9597eac80a55d9d14763dd

81490469 as geometric shapes

Circle

Radius = n

Diameter	162980938
Circumference	512019717.49597
Area	2.0862363457997E+16

Sphere

Radius = n

Volume	2.2667783768542E+24
Surface area	8.3449453831989E+16
Circumference	512019717.49597

Square

Length = n

Perimeter	325961876
Area	6640696537839961
Diagonal	115244926.46394

Cube

Length = n

Surface area	39844179227039766
Volume	5.4115347535525E+23
Space diagonal	141145632.64062

Equilateral Triangle

Length = n

Perimeter	244471407
Area	2.8755059502964E+15
Altitude	70572816.320308

Triangular Pyramid

Length = n

Surface area	2.8755059502964E+15
Volume	6.3775548681061E+22
Height	38414975.487981