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

20005918 (number)

20005918 is an even 8-digits composite number following 20005917 and preceding 20005919. In scientific notation, it is written as 2.0005918 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10002958 positive integers (up to 20005918) that are relatively prime to 20005918.

Interesting facts

20005918 has 4 divisors, whose sum is 30008880
The reverse of 20005918 is 81950002
Previous prime number is 2

Basic properties

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

Name

Name	twenty million five thousand nine hundred eighteen

Notation

Scientific notation	2.0005918 × 10^7
Engineering notation	2.0005918 × 10^6

Prime Factorization of 20005918

Prime Factorization 2 × 10002959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20005918	Product of the distinct prime numbers

The prime factorization of 20005918 is 2 × 10002959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 99, 86, 448, 693, 4008, 523, 94549, 54880, 359538, 531661, 5542525, 951223, 12045081, 49223437, 359128537, 989433430, 1082084589, 2600984902

Basic calculations (n = 20005918)

Multiplication

n×y

n×2	40011836
n×3	60017754
n×4	80023672
n×5	100029590

Division

n÷y

n÷2	10002959
n÷3	6668639.3333333
n÷3	5001479.5
n÷5	4001183.6

Exponentiation

n^y

n²	400236755022724
n³	8.0071037015707E+21
n⁴	1.6018946007112E+29
n⁵	3.2047372026471E+36

Nth Root

^y√n

²√n	4472.7975585756
³√n	271.46853222495
⁴√n	66.878976955211
⁵√n	28.85570549568

Divisors of 20005918

1, 2, 10002959, 20005918

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	-20005917	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 20005918 can be divided by 4 positive divisors. The sum of these divisors (counting 20005918) is 1, the average is 0.25.

Base conversion 20005918

Base	System	Value
2	Binary	1001100010100010000011110
3	Ternary	1101122101221221
4	Quaternary	1030110100132
5	Quinary	20110142133
6	Senary	1552443554
8	Octal	114242036
10	Decimal	20005918
12	Duodecimal	68495ba
16	Hexadecimal	131441e
20	Vigesimal	650efi
36	Base36	bwsny

Cryptographic Hash Functions

md5	5323d127e951b7fa797cc90fe1744a85
sha1	566a3668fa7592cce20e4081787d0799c4cea357
sha256	223e7563ef72b93abb6fb68a5339aeeaeb3832fc84196d08334c710670a0e018
sha512	1ae27be9d14d9832e283682c15451cf516e56fe01ef95845d463ea16a7cc8a22cd2a6ca2ae19a324ca441a23743ac1df7dcb5876d351888611cde3e9ae099384
ripemd-160	b46782d0bc6e6f01f7141f1093a11eac0d56a0e5

20005918 as geometric shapes

Circle

Radius = n

Diameter	40011836
Circumference	125700890.03424
Area	1.257380849276E+15

Sphere

Radius = n

Volume	3.3540077553848E+22
Surface area	5.029523397104E+15
Circumference	125700890.03424

Square

Length = n

Perimeter	80023672
Area	400236755022724
Diagonal	28292640.563324

Cube

Length = n

Surface area	2401420530136344
Volume	8.0071037015707E+21
Space diagonal	34651266.428057

Equilateral Triangle

Length = n

Perimeter	60017754
Area	1.7330759868896E+14
Altitude	17325633.214028

Triangular Pyramid

Length = n

Surface area	1.7330759868896E+14
Volume	9.4364622084076E+20
Height	9430880.1877747