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

20121289 (number)

20121289 is an odd 8-digits composite number following 20121288 and preceding 20121290. In scientific notation, it is written as 2.0121289 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20104324 positive integers (up to 20121289) that are relatively prime to 20121289.

Interesting facts

20121289 has 4 divisors, whose sum is 20138256
The reverse of 20121289 is 98212102
Previous prime number is 1283

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0121289 × 10^7
Engineering notation	2.0121289 × 10^6

Prime Factorization of 20121289

Prime Factorization 1283 × 15683

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121289	Product of the distinct prime numbers

The prime factorization of 20121289 is 1283 × 15683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 61, 53, 638, 26, 5869, 3136, 49299, 21802, 209315, 247603, 2185307, 2906823, 23501690, 59021837, 113154579, 150154875, 7674532614, 3203497210

Basic calculations (n = 20121289)

Multiplication

n×y

n×2	40242578
n×3	60363867
n×4	80485156
n×5	100606445

Division

n÷y

n÷2	10060644.5
n÷3	6707096.3333333
n÷3	5030322.25
n÷5	4024257.8

Exponentiation

n^y

n²	404866271021521
n³	8.1464312455763E+21
n⁴	1.6391669741087E+29
n⁵	3.2982152405297E+36

Nth Root

^y√n

²√n	4485.6759802732
³√n	271.9893711605
⁴√n	66.97518928882
⁵√n	28.888910257162

Divisors of 20121289

1, 1283, 15683, 20121289

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121288	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121289 can be divided by 4 positive divisors. The sum of these divisors (counting 20121289) is 1, the average is 0.25.

Base conversion 20121289

Base	System	Value
2	Binary	1001100110000011011001001
3	Ternary	1101212021012221
4	Quaternary	1030300123021
5	Quinary	20122340124
6	Senary	1555134041
8	Octal	114603311
10	Decimal	20121289
12	Duodecimal	68a4321
16	Hexadecimal	13306c9
20	Vigesimal	65f349
36	Base36	bz9op

Cryptographic Hash Functions

md5	94e1efbcc56a5ae7c368777863bcee9d
sha1	dbf449bd56f793f0debe67ebc7d82ebb867ca23c
sha256	b25b979b50a0702d6b886d997deca5dac43a46eed832d67042eb954c16c9942f
sha512	44a02a7707b718ac356a541499523abffc8fbb016bf11509e7c3e0d2bde001dde6d8a0420210e7c99f7fd75c9adee6bdfc8951b36510363625a1fc71103b1089
ripemd-160	17cc4b2c02e51bf264f2715bd4417a25c8850b83

20121289 as geometric shapes

Circle

Radius = n

Diameter	40242578
Circumference	126425787.40631
Area	1.2719249027275E+15

Sphere

Radius = n

Volume	3.4123691405436E+22
Surface area	5.08769961091E+15
Circumference	126425787.40631

Square

Length = n

Perimeter	80485156
Area	404866271021521
Diagonal	28455799.796229

Cube

Length = n

Surface area	2429197626129126
Volume	8.1464312455763E+21
Space diagonal	34851094.861777

Equilateral Triangle

Length = n

Perimeter	60363867
Area	1.7531223792006E+14
Altitude	17425547.430888

Triangular Pyramid

Length = n

Surface area	1.7531223792006E+14
Volume	9.600661293695E+20
Height	9485266.5987429