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

81490259 (number)

81490259 is an odd 8-digits composite number following 81490258 and preceding 81490260. In scientific notation, it is written as 8.1490259 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 77085000 positive integers (up to 81490259) that are relatively prime to 81490259.

Interesting facts

81490259 has 8 divisors, whose sum is 85908480
The reverse of 81490259 is 95209418
Previous prime number is 5711

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million four hundred ninety thousand two hundred fifty-nine

Notation

Scientific notation	8.1490259 × 10^7
Engineering notation	8.1490259 × 10^6

Prime Factorization of 81490259

Prime Factorization 19 × 5711 × 751

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81490259	Product of the distinct prime numbers

The prime factorization of 81490259 is 19 × 5711 × 751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 44, 74, 77, 383, 54, 128, 49157, 66857, 985343, 435748, 2253274, 3470765, 81622375, 19062577, 751520407, 827724770, 5611133193, 8894944916

Basic calculations (n = 81490259)

Multiplication

n×y

n×2	162980518
n×3	244470777
n×4	325961036
n×5	407451295

Division

n÷y

n÷2	40745129.5
n÷3	27163419.666667
n÷3	20372564.75
n÷5	16298051.8

Exponentiation

n^y

n²	6640662311887081
n³	5.4114929172722E+23
n⁴	4.4098395940517E+31
n⁵	3.5935897066773E+39

Nth Root

^y√n

²√n	9027.19552242
³√n	433.54604895054
⁴√n	95.011554678471
⁵√n	38.213880363686

Divisors of 81490259

1, 19, 751, 5711, 14269, 108509, 4288961, 81490259

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	-81490258	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 81490259 can be divided by 8 positive divisors. The sum of these divisors (counting 81490259) is 1, the average is 0.125.

Base conversion 81490259

Base	System	Value
2	Binary	100110110110111000101010011
3	Ternary	12200100010121202
4	Quaternary	10312313011103
5	Quinary	131330142014
6	Senary	12030341415
8	Octal	466670523
10	Decimal	81490259
12	Duodecimal	2335a86b
16	Hexadecimal	4db7153
20	Vigesimal	15965cj
36	Base36	1cimab

Cryptographic Hash Functions

md5	ae856cba9ddd9b37e0c8a4359845dbf1
sha1	6c258d82b95cbe6506ca95f3a70eda223c5f58dc
sha256	b11025d041711378af0c26cde9053b5af9dd1a2f6a89bb671e7e1b1e4fc568e8
sha512	dcd4405ef6f1e1a27f0ebb44aaaa375d3fed3afb402b23cecf1d92c5f75a9b08927984440ee75ae0b4f78de97cc723477f0b0dcdcc19b9255bca1764cb58fa1d
ripemd-160	9977bb18b6f59823f347ed483c5058bbd092d18c

81490259 as geometric shapes

Circle

Radius = n

Diameter	162980518
Circumference	512018398.02706
Area	2.0862255933995E+16

Sphere

Radius = n

Volume	2.2667608525141E+24
Surface area	8.344902373598E+16
Circumference	512018398.02706

Square

Length = n

Perimeter	325961036
Area	6640662311887081
Diagonal	115244629.4791

Cube

Length = n

Surface area	39843973871322486
Volume	5.4114929172722E+23
Space diagonal	141145268.90995

Equilateral Triangle

Length = n

Perimeter	244470777
Area	2.8754911300241E+15
Altitude	70572634.454973

Triangular Pyramid

Length = n

Surface area	2.8754911300241E+15
Volume	6.3775055635769E+22
Height	38414876.493032