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

161421 (number)

161421 is an odd 6-digits composite number following 161420 and preceding 161422. In scientific notation, it is written as 1.61421 × 10^5. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 99312 positive integers (up to 161421) that are relatively prime to 161421.

Interesting facts

161421 has 8 divisors, whose sum is 231840
The reverse of 161421 is 124161
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 15
Digital Root 6

Name

Name	one hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	1.61421 × 10^5
Engineering notation	1.61421 × 10^3

Prime Factorization of 161421

Prime Factorization 3 × 13 × 4139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	161421	Product of the distinct prime numbers

The prime factorization of 161421 is 3 × 13 × 4139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 1, 13, 162, 995, 6187, 4975, 89574, 14303, 343631, 205211, 2636615, 5066310, 5825855, 80479005, 606729701, 782463005, 5922721093, 6325702968

Basic calculations (n = 161421)

Multiplication

n×y

n×2	322842
n×3	484263
n×4	645684
n×5	807105

Division

n÷y

n÷2	80710.5
n÷3	53807
n÷3	40355.25
n÷5	32284.2

Exponentiation

n^y

n²	26056739241
n³	4206104905021461
n⁴	6.7895365987347E+20
n⁵	1.0959737873044E+26

Nth Root

^y√n

²√n	401.77232358638
³√n	54.448595021934
⁴√n	20.044259117922
⁵√n	11.005049661245

Divisors of 161421

1, 3, 13, 39, 4139, 12417, 53807, 161421

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	-161420	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 161421 can be divided by 8 positive divisors. The sum of these divisors (counting 161421) is 1, the average is 0.125.

Base conversion 161421

Base	System	Value
2	Binary	100111011010001101
3	Ternary	22012102120
4	Quaternary	213122031
5	Quinary	20131141
6	Senary	3243153
8	Octal	473215
10	Decimal	161421
12	Duodecimal	794b9
16	Hexadecimal	2768d
20	Vigesimal	103b1
36	Base36	3gjx

Cryptographic Hash Functions

md5	0f794992daaed6d1e4e64a5a550fe220
sha1	cae8af390d38a76d89a725e34bb28a232e25ad6e
sha256	f65840cbcee25d4951aba8dcea43d366ed9676e5d4de2aca1cb164aea3700a82
sha512	10c01a535d1eb101288d0144d43b21d0ca97361825c038672e23e414bc5ecf64288918286ec2b3269e932db536162ddb33ca42cdd110388a52ddc928aa72650d
ripemd-160	5ca6298aba3f63e5e90e1224fb22873a0f92fa72

161421 as geometric shapes

Circle

Radius = n

Diameter	322842
Circumference	1014238.0554702
Area	81859660576.03

Sphere

Radius = n

Volume	1.7618491026458E+16
Surface area	327438642304.12
Circumference	1014238.0554702

Square

Length = n

Perimeter	645684
Area	26056739241
Diagonal	228283.76745183

Cube

Length = n

Surface area	156340435446
Volume	4206104905021461
Space diagonal	279589.37340858

Equilateral Triangle

Length = n

Perimeter	484263
Area	11282899061.246
Altitude	139794.68670429

Triangular Pyramid

Length = n

Surface area	11282899061.246
Volume	4.9569421678711E+14
Height	76094.589150609