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

20121838 (number)

20121838 is an even 8-digits composite number following 20121837 and preceding 20121839. In scientific notation, it is written as 2.0121838 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 9146280 positive integers (up to 20121838) that are relatively prime to 20121838.

Interesting facts

20121838 has 8 divisors, whose sum is 32926680
The reverse of 20121838 is 83812102
Previous prime number is 11

Basic properties

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

Name

Name	twenty million one hundred twenty-one thousand eight hundred thirty-eight

Notation

Scientific notation	2.0121838 × 10^7
Engineering notation	2.0121838 × 10^6

Prime Factorization of 20121838

Prime Factorization 2 × 11 × 914629

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121838	Product of the distinct prime numbers

The prime factorization of 20121838 is 2 × 11 × 914629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 3, 100, 90, 479, 6855, 7047, 32025, 35621, 514412, 482823, 5183449, 8465831, 74016893, 48664604, 698999334, 62339099, 2159337524, 2991763158

Basic calculations (n = 20121838)

Multiplication

n×y

n×2	40243676
n×3	60365514
n×4	80487352
n×5	100609190

Division

n÷y

n÷2	10060919
n÷3	6707279.3333333
n÷3	5030459.5
n÷5	4024367.6

Exponentiation

n^y

n²	404888364498244
n³	8.1470980785186E+21
n⁴	1.6393458770606E+29
n⁵	3.2986652164182E+36

Nth Root

^y√n

²√n	4485.7371746459
³√n	271.99184483911
⁴√n	66.975646130858
⁵√n	28.889067899534

Divisors of 20121838

1, 2, 11, 22, 914629, 1829258, 10060919, 20121838

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	-20121837	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 20121838 can be divided by 8 positive divisors. The sum of these divisors (counting 20121838) is 1, the average is 0.125.

Base conversion 20121838

Base	System	Value
2	Binary	1001100110000100011101110
3	Ternary	1101212021222021
4	Quaternary	1030300203232
5	Quinary	20122344323
6	Senary	1555140354
8	Octal	114604356
10	Decimal	20121838
12	Duodecimal	68a46ba
16	Hexadecimal	13308ee
20	Vigesimal	65f4bi
36	Base36	bza3y

Cryptographic Hash Functions

md5	b21ad6e4ec958d0bbb915c8ed84cf2a3
sha1	1571224d2a40aa120f21f7d756bde801c70d2cbe
sha256	19f103642b87d39cdbb40d14a077ae7551125b849f1c14701d08967fae5ce7ca
sha512	14cde73ffe67495634d4cf63de1748a982a5062cab99e6718294fcfdc2e4fe9df670b39d70b46422949b611d261d29d4e096adf1781f16e2b8cba0430dc6f626
ripemd-160	1b7e1e23889f8b5fc021b09da4df0b2117079bd9

20121838 as geometric shapes

Circle

Radius = n

Diameter	40243676
Circumference	126429236.87505
Area	1.2719943114317E+15

Sphere

Radius = n

Volume	3.4126484628733E+22
Surface area	5.0879772457267E+15
Circumference	126429236.87505

Square

Length = n

Perimeter	80487352
Area	404888364498244
Diagonal	28456576.199474

Cube

Length = n

Surface area	2429330186989464
Volume	8.1470980785186E+21
Space diagonal	34852045.75767

Equilateral Triangle

Length = n

Perimeter	60365514
Area	1.7532180467611E+14
Altitude	17426022.878835

Triangular Pyramid

Length = n

Surface area	1.7532180467611E+14
Volume	9.601447163854E+20
Height	9485525.3998248