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

20121689 (number)

20121689 is an odd 8-digits composite number following 20121688 and preceding 20121690. In scientific notation, it is written as 2.0121689 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17226000 positive integers (up to 20121689) that are relatively prime to 20121689.

Interesting facts

20121689 has 8 divisors, whose sum is 23024448
The reverse of 20121689 is 98612102
Previous prime number is 1277

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0121689 × 10^7
Engineering notation	2.0121689 × 10^6

Prime Factorization of 20121689

Prime Factorization 7 × 1277 × 2251

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121689	Product of the distinct prime numbers

The prime factorization of 20121689 is 7 × 1277 × 2251. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 30, 13, 648, 514, 8717, 7077, 68767, 26334, 544938, 699667, 8589639, 9081503, 58310205, 44354904, 424697833, 406761194, 4734268122, 5877822485

Basic calculations (n = 20121689)

Multiplication

n×y

n×2	40243378
n×3	60365067
n×4	80486756
n×5	100608445

Division

n÷y

n÷2	10060844.5
n÷3	6707229.6666667
n÷3	5030422.25
n÷5	4024337.8

Exponentiation

n^y

n²	404882368212721
n³	8.1469170947599E+21
n⁴	1.6392973208954E+29
n⁵	3.2985430869591E+36

Nth Root

^y√n

²√n	4485.7205664196
³√n	271.99117348088
⁴√n	66.975522143688
⁵√n	28.889025115332

Divisors of 20121689

1, 7, 1277, 2251, 8939, 15757, 2874527, 20121689

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	-20121688	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 20121689 can be divided by 8 positive divisors. The sum of these divisors (counting 20121689) is 1, the average is 0.125.

Base conversion 20121689

Base	System	Value
2	Binary	1001100110000100001011001
3	Ternary	1101212021202202
4	Quaternary	1030300201121
5	Quinary	20122343224
6	Senary	1555135545
8	Octal	114604131
10	Decimal	20121689
12	Duodecimal	68a45b5
16	Hexadecimal	1330859
20	Vigesimal	65f449
36	Base36	bz9zt

Cryptographic Hash Functions

md5	84af3b297211f2c2e32d323dd1f7df1d
sha1	61bbd8ececf745afdf161043f6768642769200d4
sha256	4ddd95c20bdcb01ccbd7b557b6e427cfd8190b17f23d3df0befaf5486fa69df5
sha512	f6208c050ffa0eabff5f9400fae9a3ca1fca45368b5289721b720b552402a0a06b78985873e3368dc8df52b841690896a134060e7338966039a829eb23c387a8
ripemd-160	3eda0127dd53db3cdeb6435e45c70cd1a817bc52

20121689 as geometric shapes

Circle

Radius = n

Diameter	40243378
Circumference	126428300.68044
Area	1.2719754735451E+15

Sphere

Radius = n

Volume	3.4125726525737E+22
Surface area	5.0879018941805E+15
Circumference	126428300.68044

Square

Length = n

Perimeter	80486756
Area	404882368212721
Diagonal	28456365.481654

Cube

Length = n

Surface area	2429294209276326
Volume	8.1469170947599E+21
Space diagonal	34851787.6821

Equilateral Triangle

Length = n

Perimeter	60365067
Area	1.7531920820831E+14
Altitude	17425893.84105

Triangular Pyramid

Length = n

Surface area	1.7531920820831E+14
Volume	9.6012338724488E+20
Height	9485455.1605512