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

20171985 (number)

20171985 is an odd 8-digits composite number following 20171984 and preceding 20171986. In scientific notation, it is written as 2.0171985 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10758384 positive integers (up to 20171985) that are relatively prime to 20171985.

Interesting facts

20171985 has 8 divisors, whose sum is 32275200
The reverse of 20171985 is 58917102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty million one hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation	2.0171985 × 10^7
Engineering notation	2.0171985 × 10^6

Prime Factorization of 20171985

Prime Factorization 3 × 5 × 1344799

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20171985	Product of the distinct prime numbers

The prime factorization of 20171985 is 3 × 5 × 1344799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 8, 19, 18, 235, 3631, 8347, 2365, 98220, 360215, 660062, 2436115, 9253694, 20946713, 71537850, 519885183, 558210809, 9094649634, 3692524901

Basic calculations (n = 20171985)

Multiplication

n×y

n×2	40343970
n×3	60515955
n×4	80687940
n×5	100859925

Division

n÷y

n÷2	10085992.5
n÷3	6723995
n÷3	5042996.25
n÷5	4034397

Exponentiation

n^y

n²	406908978840225
n³	8.2081618175303E+21
n⁴	1.6557491706079E+29
n⁵	3.3399747433266E+36

Nth Root

^y√n

²√n	4491.3233016562
³√n	272.21760718417
⁴√n	67.017335829293
⁵√n	28.903452848683

Divisors of 20171985

1, 3, 5, 15, 1344799, 4034397, 6723995, 20171985

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	-20171984	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 20171985 can be divided by 8 positive divisors. The sum of these divisors (counting 20171985) is 1, the average is 0.125.

Base conversion 20171985

Base	System	Value
2	Binary	1001100111100110011010001
3	Ternary	1101221211202120
4	Quaternary	1030330303101
5	Quinary	20131000420
6	Senary	2000204453
8	Octal	114746321
10	Decimal	20171985
12	Duodecimal	6909729
16	Hexadecimal	133ccd1
20	Vigesimal	6619j5
36	Base36	c0csx

Cryptographic Hash Functions

md5	e8294319aef5a6fd7f47f52cc3ebc1ee
sha1	3e5203bd5842015ecac4f24b369cbd9e731e69f2
sha256	630a7452fb437835af0c8126bc70560495bef89bbda5a41e465d648ded5e8de6
sha512	43ff76defbf302d9ab86cb7b0eb0e4ce5a560c38e90eb10242043623136c3080fd77994a1d4b351cec6afe0f16f5263d8ac9ca80abd61715a77d9d27f96aee21
ripemd-160	c1a915b2b68ff457987f1e274b9b217d69c731b1

20171985 as geometric shapes

Circle

Radius = n

Diameter	40343970
Circumference	126744319.76865
Area	1.2783422586042E+15

Sphere

Radius = n

Volume	3.4382267820573E+22
Surface area	5.1133690344167E+15
Circumference	126744319.76865

Square

Length = n

Perimeter	80687940
Area	406908978840225
Diagonal	28527494.766987

Cube

Length = n

Surface area	2441453873041350
Volume	8.2081618175303E+21
Space diagonal	34938902.909517

Equilateral Triangle

Length = n

Perimeter	60515955
Area	1.7619675635181E+14
Altitude	17469451.454759

Triangular Pyramid

Length = n

Surface area	1.7619675635181E+14
Volume	9.6734114704203E+20
Height	9509164.9223289