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

161388 (number)

161388 is an even 6-digits composite number following 161387 and preceding 161389. In scientific notation, it is written as 1.61388 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 53784 positive integers (up to 161388) that are relatively prime to 161388.

Interesting facts

161388 has 12 divisors, whose sum is 313880
The reverse of 161388 is 883161
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	1.61388 × 10^5
Engineering notation	1.61388 × 10^3

Prime Factorization of 161388

Prime Factorization 2 × 2 × 9 × 4483

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	80694	Product of the distinct prime numbers

The prime factorization of 161388 is 2 × 2 × 9 × 4483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 84, 54, 338, 33, 4243, 5290, 72217, 14811, 916657, 541404, 7086903, 3061190, 63955639, 28840408, 579746233, 968290722, 3766593283, 1526972916

Basic calculations (n = 161388)

Multiplication

n×y

n×2	322776
n×3	484164
n×4	645552
n×5	806940

Division

n÷y

n÷2	80694
n÷3	53796
n÷3	40347
n÷5	32277.6

Exponentiation

n^y

n²	26046086544
n³	4203525815163072
n⁴	6.7839862425754E+20
n⁵	1.0948539717168E+26

Nth Root

^y√n

²√n	401.73125345186
³√n	54.444884381038
⁴√n	20.043234605519
⁵√n	11.004599662372

Divisors of 161388

1, 2, 4, 9, 18, 36, 4483, 8966, 17932, 40347, 80694, 161388

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-161387	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161388 can be divided by 12 positive divisors. The sum of these divisors (counting 161388) is 1, the average is 0.083333333333333.

Base conversion 161388

Base	System	Value
2	Binary	100111011001101100
3	Ternary	22012101100
4	Quaternary	213121230
5	Quinary	20131023
6	Senary	3243100
8	Octal	473154
10	Decimal	161388
12	Duodecimal	79490
16	Hexadecimal	2766c
20	Vigesimal	10398
36	Base36	3gj0

Cryptographic Hash Functions

md5	a07e789c81aabaf061662e2340bcf9aa
sha1	66fb35d2c4c83fa369057f49247d7a21c12a5942
sha256	299184e0ce401696fb32041f52d1213c37a064eeb4a174b632ef2b5c31ea7717
sha512	2730318698f64bcadb3c31de24d68de80cf58c9afadc8adecb1a10078580e23d153a66256d2513976db6026a16199a32ae1b456da37de8248336b348e14c875f
ripemd-160	2b0ee61ceea97d5a9714f4832b779285331eae96

161388 as geometric shapes

Circle

Radius = n

Diameter	322776
Circumference	1014030.7103551
Area	81826194141.394

Sphere

Radius = n

Volume	1.7607687760122E+16
Surface area	327304776565.58
Circumference	1014030.7103551

Square

Length = n

Perimeter	645552
Area	26046086544
Diagonal	228237.09840427

Cube

Length = n

Surface area	156276519264
Volume	4203525815163072
Space diagonal	279532.21573193

Equilateral Triangle

Length = n

Perimeter	484164
Area	11278286308.136
Altitude	139766.10786596

Triangular Pyramid

Length = n

Surface area	11278286308.136
Volume	4.9539026813242E+14
Height	76079.032801423