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

161389 (number)

161389 is an odd 6-digits composite number following 161388 and preceding 161390. In scientific notation, it is written as 1.61389 × 10^5. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 160380 positive integers (up to 161389) that are relatively prime to 161389.

Interesting facts

161389 has 4 divisors, whose sum is 162400
The reverse of 161389 is 983161
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 28
Digital Root 1

Name

Name	one hundred sixty-one thousand three hundred eighty-nine

Notation

Scientific notation	1.61389 × 10^5
Engineering notation	1.61389 × 10^3

Prime Factorization of 161389

Prime Factorization 199 × 811

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	161389	Product of the distinct prime numbers

The prime factorization of 161389 is 199 × 811. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 82, 78, 176, 994, 1503, 8673, 68075, 59661, 588672, 650517, 9794225, 207942, 58461126, 55840429, 65893469, 234698247, 2631962545, 5785100276

Basic calculations (n = 161389)

Multiplication

n×y

n×2	322778
n×3	484167
n×4	645556
n×5	806945

Division

n÷y

n÷2	80694.5
n÷3	53796.333333333
n÷3	40347.25
n÷5	32277.8

Exponentiation

n^y

n²	26046409321
n³	4203603953906869
n⁴	6.7841543851708E+20
n⁵	1.0948878920683E+26

Nth Root

^y√n

²√n	401.73249806308
³√n	54.444996832133
⁴√n	20.043265653657
⁵√n	11.004613299783

Divisors of 161389

1, 199, 811, 161389

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	-161388	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 161389 can be divided by 4 positive divisors. The sum of these divisors (counting 161389) is 1, the average is 0.25.

Base conversion 161389

Base	System	Value
2	Binary	100111011001101101
3	Ternary	22012101101
4	Quaternary	213121231
5	Quinary	20131024
6	Senary	3243101
8	Octal	473155
10	Decimal	161389
12	Duodecimal	79491
16	Hexadecimal	2766d
20	Vigesimal	10399
36	Base36	3gj1

Cryptographic Hash Functions

md5	4aff56f3129f5bf79be445f6e51cb57a
sha1	7af3c4debdd70ef8f081573efde1a33f741cf640
sha256	b9bd666cf2ebc3e34a17468c1110ce959de96dcb385af1d852c3f741abe75e51
sha512	2dcdd3a371859e591ecb6472e55e1efba944558cbf1cb1bddab7928af61ac63c91655d9a32f9eeb15bc0a827635e6cff0a7fc92a484069296a7e1ee588a5df60
ripemd-160	df9bc1fa47b6190c0e2e18c5254972bcc6ba4350

161389 as geometric shapes

Circle

Radius = n

Diameter	322778
Circumference	1014036.9935404
Area	81827208175.246

Sphere

Radius = n

Volume	1.7608015066926E+16
Surface area	327308832700.99
Circumference	1014036.9935404

Square

Length = n

Perimeter	645556
Area	26046409321
Diagonal	228238.51261783

Cube

Length = n

Surface area	156278455926
Volume	4203603953906869
Space diagonal	279533.94778273

Equilateral Triangle

Length = n

Perimeter	484167
Area	11278426074.677
Altitude	139766.97389137

Triangular Pyramid

Length = n

Surface area	11278426074.677
Volume	4.9539947687169E+14
Height	76079.504205944