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

81490498 (number)

81490498 is an even 8-digits composite number following 81490497 and preceding 81490499. In scientific notation, it is written as 8.1490498 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 40745248 positive integers (up to 81490498) that are relatively prime to 81490498.

Interesting facts

81490498 has 4 divisors, whose sum is 122235750
The reverse of 81490498 is 89409418
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million four hundred ninety thousand four hundred ninety-eight

Notation

Scientific notation	8.1490498 × 10^7
Engineering notation	8.1490498 × 10^6

Prime Factorization of 81490498

Prime Factorization 2 × 40745249

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490498	Product of the distinct prime numbers

The prime factorization of 81490498 is 2 × 40745249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 50, 32, 1, 291, 9497, 5270, 46715, 95650, 912236, 741816, 1334073, 9483363, 72614943, 86821884, 513155320, 865141679, 8155066584, 859529521

Basic calculations (n = 81490498)

Multiplication

n×y

n×2	162980996
n×3	244471494
n×4	325961992
n×5	407452490

Division

n÷y

n÷2	40745249
n÷3	27163499.333333
n÷3	20372624.5
n÷5	16298099.6

Exponentiation

n^y

n²	6640701264288004
n³	5.4115405309606E+23
n⁴	4.4098913281516E+31
n⁵	3.5936424045696E+39

Nth Root

^y√n

²√n	9027.2087601872
³√n	433.54647279426
⁴√n	95.011624342431
⁵√n	38.213902778897

Divisors of 81490498

1, 2, 40745249, 81490498

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	-81490497	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 81490498 can be divided by 4 positive divisors. The sum of these divisors (counting 81490498) is 1, the average is 0.25.

Base conversion 81490498

Base	System	Value
2	Binary	100110110110111001001000010
3	Ternary	12200100010221121
4	Quaternary	10312313021002
5	Quinary	131330143443
6	Senary	12030342454
8	Octal	466671102
10	Decimal	81490498
12	Duodecimal	2335aa2a
16	Hexadecimal	4db7242
20	Vigesimal	159664i
36	Base36	1cimgy

Cryptographic Hash Functions

md5	f1927458c454bac4e2e3fbd69221a378
sha1	1e429e6d96ab918607a018b03681e4d61bb36781
sha256	1812942f1382c2a58d899a1e84b7d8e09885c6c860478c7764887db08e5328fc
sha512	faa443a4ac70917b95a6e4d46c1b1a13e44dc03bb76cc764a04baf00896d9661b64c523caaa252dfa6bcb1ef571aebf4608f331904885b7b7370eec420600213
ripemd-160	65417f48a10c1845cf156e7568f913adca3844f4

81490498 as geometric shapes

Circle

Radius = n

Diameter	162980996
Circumference	512019899.70835
Area	2.0862378306572E+16

Sphere

Radius = n

Volume	2.2667807968892E+24
Surface area	8.3449513226287E+16
Circumference	512019899.70835

Square

Length = n

Perimeter	325961992
Area	6640701264288004
Diagonal	115244967.47614

Cube

Length = n

Surface area	39844207585728024
Volume	5.4115405309606E+23
Space diagonal	141145682.87009

Equilateral Triangle

Length = n

Perimeter	244471494
Area	2.8755079969084E+15
Altitude	70572841.435045

Triangular Pyramid

Length = n

Surface area	2.8755079969084E+15
Volume	6.3775616768468E+22
Height	38414989.158713