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

20161987 (number)

20161987 is an odd 8-digits prime number following 20161986 and preceding 20161988. In scientific notation, it is written as 2.0161987 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 20161986 positive integers (up to 20161987) that are relatively prime to 20161987.

Interesting facts

20161987 has 2 divisors, whose sum is 20161988
The reverse of 20161987 is 78916102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty million one hundred sixty-one thousand nine hundred eighty-seven

Notation

Scientific notation	2.0161987 × 10^7
Engineering notation	2.0161987 × 10^6

Prime Factorization of 20161987

Prime Factorization 20161987

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20161987	Product of the distinct prime numbers

The prime factorization of 20161987 is 20161987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 1, 2, 43, 977, 497, 5860, 4333, 43966, 9040, 144692, 740560, 6439798, 2810876, 34906662, 17110055, 592068667, 382057370, 5100468817, 9681524703

Basic calculations (n = 20161987)

Multiplication

n×y

n×2	40323974
n×3	60485961
n×4	80647948
n×5	100809935

Division

n÷y

n÷2	10080993.5
n÷3	6720662.3333333
n÷3	5040496.75
n÷5	4032397.4

Exponentiation

n^y

n²	406505719788169
n³	8.1959630377947E+21
n⁴	1.652469002205E+29
n⁵	3.331705854036E+36

Nth Root

^y√n

²√n	4490.2101287134
³√n	272.17262596544
⁴√n	67.009030202752
⁵√n	28.900587151234

Divisors of 20161987

1, 20161987

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20161988	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10080994	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4490.2102400667	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999008034	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161987 can be divided by 2 positive divisors. The sum of these divisors (counting 20161987) is 20161988, the average is 10080994.

Base conversion 20161987

Base	System	Value
2	Binary	1001100111010010111000011
3	Ternary	1101221100001021
4	Quaternary	1030322113003
5	Quinary	20130140422
6	Senary	2000050311
8	Octal	114722703
10	Decimal	20161987
12	Duodecimal	6903997
16	Hexadecimal	133a5c3
20	Vigesimal	6604j7
36	Base36	c0537

Cryptographic Hash Functions

md5	675891ad525767d5c3573ce15bfb3f9b
sha1	006f8b47d6efa042f4a6168bed46639895207e85
sha256	b289b933ce9c2916ecee706b52a451fa36643596361fceebb016355ed312dd26
sha512	31e0d78910484c0858a6723f80e5fc6dfe725b7f50566dde5be663942c72de11bf31ff447977c4e77435e0d50ea73cfe552864571a1dcdb926dc3f07ba7deeeb
ripemd-160	cfffe0045cdd6736be066f454649e81d2e6e37cb

20161987 as geometric shapes

Circle

Radius = n

Diameter	40323974
Circumference	126681500.48195
Area	1.2770753829287E+15

Sphere

Radius = n

Volume	3.4331169691506E+22
Surface area	5.108301531715E+15
Circumference	126681500.48195

Square

Length = n

Perimeter	80647948
Area	406505719788169
Diagonal	28513355.45979

Cube

Length = n

Surface area	2439034318729014
Volume	8.1959630377947E+21
Space diagonal	34921585.865543

Equilateral Triangle

Length = n

Perimeter	60485961
Area	1.7602214006012E+14
Altitude	17460792.932772

Triangular Pyramid

Length = n

Surface area	1.7602214006012E+14
Volume	9.6590350706316E+20
Height	9504451.81993