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

20001990 (number)

20001990 is an even 8-digits composite number following 20001989 and preceding 20001991. In scientific notation, it is written as 2.0001990 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5333856 positive integers (up to 20001990) that are relatively prime to 20001990.

Interesting facts

20001990 has 16 divisors, whose sum is 48004848
The reverse of 20001990 is 09910002
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million one thousand nine hundred ninety

Notation

Scientific notation	2.0001990 × 10^7
Engineering notation	2.0001990 × 10^6

Prime Factorization of 20001990

Prime Factorization 2 × 3 × 5 × 666733

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20001990	Product of the distinct prime numbers

The prime factorization of 20001990 is 2 × 3 × 5 × 666733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 32, 13, 450, 563, 5729, 7825, 28558, 54252, 457368, 308298, 3247259, 134317, 87774715, 66989492, 453297340, 908808360, 5704519217, 6518624618

Basic calculations (n = 20001990)

Multiplication

n×y

n×2	40003980
n×3	60005970
n×4	80007960
n×5	100009950

Division

n÷y

n÷2	10000995
n÷3	6667330
n÷3	5000497.5
n÷5	4000398

Exponentiation

n^y

n²	400079603960100
n³	8.0023882376139E+21
n⁴	1.6006368950487E+29
n⁵	3.2015923168395E+36

Nth Root

^y√n

²√n	4472.3584382292
³√n	271.45076417934
⁴√n	66.875693927085
⁵√n	28.854572289855

Divisors of 20001990

1, 2, 3, 5, 6, 10, 15, 30, 666733, 1333466, 2000199, 3333665, 4000398, 6667330, 10000995, 20001990

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20001989	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001990 can be divided by 16 positive divisors. The sum of these divisors (counting 20001990) is 1, the average is 0.0625.

Base conversion 20001990

Base	System	Value
2	Binary	1001100010011010011000110
3	Ternary	1101122012120110
4	Quaternary	1030103103012
5	Quinary	20110030430
6	Senary	1552413450
8	Octal	114232306
10	Decimal	20001990
12	Duodecimal	6847286
16	Hexadecimal	13134c6
20	Vigesimal	6504ja
36	Base36	bwpmu

Cryptographic Hash Functions

md5	485f9ccd40805814f2d7421e2a2f96dc
sha1	61a6d3c089de28bfb87436baa5056e99fc4beeb7
sha256	e7bc1e88b2a2b652165c685635b2c8cc2a2d2a712cca67cb00a0b3e7c5f98ed7
sha512	01ec636c915818316b17f5c27c5c157b63d84a5a315af9be2505f03e1f13ef70d92364b6cca1fbe79aeffa6a0de914303557567046cf8c3759d191dd5791317b
ripemd-160	a3429b70019f30607bac55f075b749f0d622b972

20001990 as geometric shapes

Circle

Radius = n

Diameter	40003980
Circumference	125676209.68235
Area	1.2568871446522E+15

Sphere

Radius = n

Volume	3.3520325464615E+22
Surface area	5.0275485786087E+15
Circumference	125676209.68235

Square

Length = n

Perimeter	80007960
Area	400079603960100
Diagonal	28287085.532451

Cube

Length = n

Surface area	2400477623760600
Volume	8.0023882376139E+21
Space diagonal	34644462.932485

Equilateral Triangle

Length = n

Perimeter	60005970
Area	1.7323955028273E+14
Altitude	17322231.466242

Triangular Pyramid

Length = n

Surface area	1.7323955028273E+14
Volume	9.4309049808404E+20
Height	9429028.510817