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

20180121 (number)

20180121 is an odd 8-digits composite number following 20180120 and preceding 20180122. In scientific notation, it is written as 2.0180121 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 12168000 positive integers (up to 20180121) that are relatively prime to 20180121.

Interesting facts

20180121 has 8 divisors, whose sum is 20454400
The reverse of 20180121 is 12108102
Previous prime number is 169

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

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

Notation

Scientific notation	2.0180121 × 10^7
Engineering notation	2.0180121 × 10^6

Prime Factorization of 20180121

Prime Factorization 159 × 169 × 751

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20180121	Product of the distinct prime numbers

The prime factorization of 20180121 is 159 × 169 × 751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 21, 92, 555, 513, 4678, 8541, 39096, 69013, 444366, 954322, 3486583, 8745219, 98397603, 45491019, 297524371, 720357905, 1963727764, 7690729247

Basic calculations (n = 20180121)

Multiplication

n×y

n×2	40360242
n×3	60540363
n×4	80720484
n×5	100900605

Division

n÷y

n÷2	10090060.5
n÷3	6726707
n÷3	5045030.25
n÷5	4036024.2

Exponentiation

n^y

n²	407237283574641
n³	8.2180976582476E+21
n⁴	1.6584220513325E+29
n⁵	3.3467157664959E+36

Nth Root

^y√n

²√n	4492.2289567652
³√n	272.25420025714
⁴√n	67.024092360622
⁵√n	28.905784008088

Divisors of 20180121

1, 159, 169, 751, 26871, 119409, 126919, 20180121

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	-20180120	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 20180121 can be divided by 8 positive divisors. The sum of these divisors (counting 20180121) is 1, the average is 0.125.

Base conversion 20180121

Base	System	Value
2	Binary	1001100111110110010011001
3	Ternary	1101222020220220
4	Quaternary	1030332302121
5	Quinary	20131230441
6	Senary	2000310253
8	Octal	114766231
10	Decimal	20180121
12	Duodecimal	6912389
16	Hexadecimal	133ec99
20	Vigesimal	662a61
36	Base36	c0j2x

Cryptographic Hash Functions

md5	465ab0c9cf47dec2759b4e837e87f49b
sha1	ea779de77a0771027f38a991e612b55415c9bcd3
sha256	b3e14bf4b5b8d7c73e60d735f1f0ce907dbfdf8d534619452fd70d594ca41b0f
sha512	278312d2b80f5baaae05e82ae0cea1355c11fffa50946205794205d28627e70aa887656f73f7c5cd95eb628bf4e7381391e32d6bce69cbc90adf6e3369a0d665
ripemd-160	50e93df7c3c0d70a34120745dceeba5afeb15087

20180121 as geometric shapes

Circle

Radius = n

Diameter	40360242
Circumference	126795439.76431
Area	1.279373658346E+15

Sphere

Radius = n

Volume	3.4423886972845E+22
Surface area	5.1174946333838E+15
Circumference	126795439.76431

Square

Length = n

Perimeter	80720484
Area	407237283574641
Diagonal	28539000.80853

Cube

Length = n

Surface area	2443423701447846
Volume	8.2180976582476E+21
Space diagonal	34952994.874888

Equilateral Triangle

Length = n

Perimeter	60540363
Area	1.763389164719E+14
Altitude	17476497.437444

Triangular Pyramid

Length = n

Surface area	1.763389164719E+14
Volume	9.6851209710002E+20
Height	9513000.26951