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

20001643 (number)

20001643 is an odd 8-digits composite number following 20001642 and preceding 20001644. In scientific notation, it is written as 2.0001643 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19874088 positive integers (up to 20001643) that are relatively prime to 20001643.

Interesting facts

20001643 has 4 divisors, whose sum is 20129200
The reverse of 20001643 is 34610002
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty million one thousand six hundred forty-three

Notation

Scientific notation	2.0001643 × 10^7
Engineering notation	2.0001643 × 10^6

Prime Factorization of 20001643

Prime Factorization 157 × 127399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20001643	Product of the distinct prime numbers

The prime factorization of 20001643 is 157 × 127399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 8, 14, 424, 940, 8117, 7743, 81854, 16270, 818641, 837831, 6972100, 9735215, 85683140, 39066061, 888884265, 22932114, 2332637407, 7515254373

Basic calculations (n = 20001643)

Multiplication

n×y

n×2	40003286
n×3	60004929
n×4	80006572
n×5	100008215

Division

n÷y

n÷2	10000821.5
n÷3	6667214.3333333
n÷3	5000410.75
n÷5	4000328.6

Exponentiation

n^y

n²	400065722699449
n³	8.0019717619714E+21
n⁴	1.6005258247903E+29
n⁵	3.2013146159737E+36

Nth Root

^y√n

²√n	4472.3196442115
³√n	271.4491944362
⁴√n	66.875403880735
⁵√n	28.854472173756

Divisors of 20001643

1, 157, 127399, 20001643

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	-20001642	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 20001643 can be divided by 4 positive divisors. The sum of these divisors (counting 20001643) is 1, the average is 0.25.

Base conversion 20001643

Base	System	Value
2	Binary	1001100010011001101101011
3	Ternary	1101122012002121
4	Quaternary	1030103031223
5	Quinary	20110023033
6	Senary	1552412111
8	Octal	114231553
10	Decimal	20001643
12	Duodecimal	6847037
16	Hexadecimal	131336b
20	Vigesimal	650423
36	Base36	bwpd7

Cryptographic Hash Functions

md5	85cc3653db81c185dbd17cd7b4b49f8a
sha1	3f76e110df5fadc095d487c3afe24998458ede3d
sha256	695167e4aa4ccde6f941ce78fc3f7d6e7033f42616072b2766cf55ab4ba76efe
sha512	5ebaa54a0595d48807329a3e4a3702b74cbd2273ef3a9b79ef6f354eec43c6b4ca61c7821fb530f4f1918dc81ecf1aeefbbb3161a344077ec3df888d48b89246
ripemd-160	ca5a8dc57599ae86c1d062832c42d687ab8c253f

20001643 as geometric shapes

Circle

Radius = n

Diameter	40003286
Circumference	125674029.41705
Area	1.2568435353857E+15

Sphere

Radius = n

Volume	3.3518580935523E+22
Surface area	5.0273741415427E+15
Circumference	125674029.41705

Square

Length = n

Perimeter	80006572
Area	400065722699449
Diagonal	28286594.800345

Cube

Length = n

Surface area	2400394336196694
Volume	8.0019717619714E+21
Space diagonal	34643861.910854

Equilateral Triangle

Length = n

Perimeter	60004929
Area	1.7323353952055E+14
Altitude	17321930.955427

Triangular Pyramid

Length = n

Surface area	1.7323353952055E+14
Volume	9.4304141595887E+20
Height	9428864.9334483