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

20161381 (number)

20161381 is an odd 8-digits composite number following 20161380 and preceding 20161382. In scientific notation, it is written as 2.0161381 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19599360 positive integers (up to 20161381) that are relatively prime to 20161381.

Interesting facts

20161381 has 8 divisors, whose sum is 20727000
The reverse of 20161381 is 18316102
Previous prime number is 349

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation	2.0161381 × 10^7
Engineering notation	2.0161381 × 10^6

Prime Factorization of 20161381

Prime Factorization 41 × 349 × 1409

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161381	Product of the distinct prime numbers

The prime factorization of 20161381 is 41 × 349 × 1409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 60, 62, 809, 882, 8897, 1815, 93674, 27086, 494060, 687798, 4159626, 5857291, 13740805, 31074099, 840333910, 428778540, 9598243084, 7797028343

Basic calculations (n = 20161381)

Multiplication

n×y

n×2	40322762
n×3	60484143
n×4	80645524
n×5	100806905

Division

n÷y

n÷2	10080690.5
n÷3	6720460.3333333
n÷3	5040345.25
n÷5	4032276.2

Exponentiation

n^y

n²	406481283827161
n³	8.1952240326085E+21
n⁴	1.6522703410178E+29
n⁵	3.3312051860259E+36

Nth Root

^y√n

²√n	4490.1426480681
³√n	272.16989908037
⁴√n	67.008526681819
⁵√n	28.900413418691

Divisors of 20161381

1, 41, 349, 1409, 14309, 57769, 491741, 20161381

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	-20161380	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 20161381 can be divided by 8 positive divisors. The sum of these divisors (counting 20161381) is 1, the average is 0.125.

Base conversion 20161381

Base	System	Value
2	Binary	1001100111010001101100101
3	Ternary	1101221022012211
4	Quaternary	1030322031211
5	Quinary	20130131011
6	Senary	2000043421
8	Octal	114721545
10	Decimal	20161381
12	Duodecimal	6903571
16	Hexadecimal	133a365
20	Vigesimal	660391
36	Base36	c04md

Cryptographic Hash Functions

md5	beb91780deffc4684f4c58105407052f
sha1	a214b99142136988d7f62a8192509743020373eb
sha256	824c0f1536e39c65e1fe63bca3351bb7ca5ad8319791d69b0ccdb3d0c1b5652d
sha512	c38da23f9c03ec11b33e2ea19285edbab6f108ab317fcf6e69607582437ff2e5ae20eb50e6fb9df892c0cd67e150c2c28b47715d691bee44cd0ae331081bfbbf
ripemd-160	bf9a877ca0c2bbf9438b03eae8b1067f99110a33

20161381 as geometric shapes

Circle

Radius = n

Diameter	40322762
Circumference	126677692.87165
Area	1.2769986150932E+15

Sphere

Radius = n

Volume	3.4328074153821E+22
Surface area	5.1079944603726E+15
Circumference	126677692.87165

Square

Length = n

Perimeter	80645524
Area	406481283827161
Diagonal	28512498.446371

Cube

Length = n

Surface area	2438887702962966
Volume	8.1952240326085E+21
Space diagonal	34920536.242754

Equilateral Triangle

Length = n

Perimeter	60484143
Area	1.7601155897862E+14
Altitude	17460268.121377

Triangular Pyramid

Length = n

Surface area	1.7601155897862E+14
Volume	9.6581641446674E+20
Height	9504166.1487904