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

161490 (number)

161490 is an even 6-digits composite number following 161489 and preceding 161491. In scientific notation, it is written as 1.61490 × 10^5. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 36864 positive integers (up to 161490) that are relatively prime to 161490.

Interesting facts

161490 has 16 divisors, whose sum is 304920
The reverse of 161490 is 094161
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3

Name

Name	one hundred sixty-one thousand four hundred ninety

Notation

Scientific notation	1.61490 × 10^5
Engineering notation	1.61490 × 10^3

Prime Factorization of 161490

Prime Factorization 2 × 21 × 5 × 769

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	161490	Product of the distinct prime numbers

The prime factorization of 161490 is 2 × 21 × 5 × 769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 47, 95, 202, 530, 2162, 2266, 71136, 52533, 745308, 726409, 4505251, 2435838, 50114847, 32429749, 700841153, 608296835, 8207094053, 4666126880

Basic calculations (n = 161490)

Multiplication

n×y

n×2	322980
n×3	484470
n×4	645960
n×5	807450

Division

n÷y

n÷2	80745
n÷3	53830
n÷3	40372.5
n÷5	32298

Exponentiation

n^y

n²	26079020100
n³	4211500955949000
n⁴	6.801152893762E+20
n⁵	1.0983181808136E+26

Nth Root

^y√n

²√n	401.85818394055
³√n	54.45635200084
⁴√n	20.046400772721
⁵√n	11.00599033021

Divisors of 161490

1, 2, 5, 10, 21, 42, 105, 210, 769, 1538, 3845, 7690, 16149, 32298, 80745, 161490

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-161489	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161490 can be divided by 16 positive divisors. The sum of these divisors (counting 161490) is 1, the average is 0.0625.

Base conversion 161490

Base	System	Value
2	Binary	100111011011010010
3	Ternary	22012112010
4	Quaternary	213123102
5	Quinary	20131430
6	Senary	3243350
8	Octal	473322
10	Decimal	161490
12	Duodecimal	79556
16	Hexadecimal	276d2
20	Vigesimal	103ea
36	Base36	3glu

Cryptographic Hash Functions

md5	d1cd9694fa03fa0a17830be0c8690df1
sha1	e2dd16c8714cc0d889b358feed296425ad6a5c1f
sha256	517626e788909e909624474c3ed73bba6f7c0a41af67a0fd5d0aab955eddbf86
sha512	156798c3fa6c2fcf3930f8a1af940a3e04d58c2ebdc68b5b9395aa6b2f79b0c509361e8065b24adc4b5fbaa4199b4f984f3bd4c32697f8c18142b48fbfb559e3
ripemd-160	1c368ee60c1b2a35afb0abd568bb1d4130dd4f6d

161490 as geometric shapes

Circle

Radius = n

Diameter	322980
Circumference	1014671.5952564
Area	81929657958.981

Sphere

Radius = n

Volume	1.7641093951728E+16
Surface area	327718631835.92
Circumference	1014671.5952564

Square

Length = n

Perimeter	645960
Area	26079020100
Diagonal	228381.34818763

Cube

Length = n

Surface area	156474120600
Volume	4211500955949000
Space diagonal	279708.8849143

Equilateral Triangle

Length = n

Perimeter	484470
Area	11292546956.202
Altitude	139854.44245715

Triangular Pyramid

Length = n

Surface area	11292546956.202
Volume	4.9633014748753E+14
Height	76127.116062544