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

20001988 (number)

20001988 is an even 8-digits composite number following 20001987 and preceding 20001989. In scientific notation, it is written as 2.0001988 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 9812192 positive integers (up to 20001988) that are relatively prime to 20001988.

Interesting facts

20001988 has 12 divisors, whose sum is 35664300
The reverse of 20001988 is 88910002
Previous prime number is 53

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million one thousand nine hundred eighty-eight

Notation

Scientific notation	2.0001988 × 10^7
Engineering notation	2.0001988 × 10^6

Prime Factorization of 20001988

Prime Factorization 2 × 2 × 53 × 94349

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10000994	Product of the distinct prime numbers

The prime factorization of 20001988 is 2 × 2 × 53 × 94349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 41, 44, 130, 931, 7010, 8281, 23131, 20847, 654981, 987664, 1905907, 3168502, 8860076, 32022196, 429989912, 546681954, 4863310100, 7491691275

Basic calculations (n = 20001988)

Multiplication

n×y

n×2	40003976
n×3	60005964
n×4	80007952
n×5	100009940

Division

n÷y

n÷2	10000994
n÷3	6667329.3333333
n÷3	5000497
n÷5	4000397.6

Exponentiation

n^y

n²	400079523952144
n³	8.0023858371365E+21
n⁴	1.6006362548577E+29
n⁵	3.2015907162029E+36

Nth Root

^y√n

²√n	4472.3582146335
³√n	271.45075513188
⁴√n	66.875692255359
⁵√n	28.854571712821

Divisors of 20001988

1, 2, 4, 53, 106, 212, 94349, 188698, 377396, 5000497, 10000994, 20001988

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20001987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001988 can be divided by 12 positive divisors. The sum of these divisors (counting 20001988) is 1, the average is 0.083333333333333.

Base conversion 20001988

Base	System	Value
2	Binary	1001100010011010011000100
3	Ternary	1101122012120101
4	Quaternary	1030103103010
5	Quinary	20110030423
6	Senary	1552413444
8	Octal	114232304
10	Decimal	20001988
12	Duodecimal	6847284
16	Hexadecimal	13134c4
20	Vigesimal	6504j8
36	Base36	bwpms

Cryptographic Hash Functions

md5	67bc2e2822c2b8e9890698e3ca7483a3
sha1	d077b0b7c59f825ea3cb464c3ccda7ba500544bf
sha256	9ae6f3816386ce0d2132100b285a6c0e791049fe8a134e595941c2ec80323a1c
sha512	5895cffc1d70be912f5dc8b874bb5dfb3c696ad8431178f2dccaa5aa9c03541f6b0f7f6df2940165c58a880e6dd6ecaea54cff6dcf41ec10187581efd5763f8d
ripemd-160	b8c5346f7642b35810566cd74c85b8585f2f619c

20001988 as geometric shapes

Circle

Radius = n

Diameter	40003976
Circumference	125676197.11598
Area	1.2568868932998E+15

Sphere

Radius = n

Volume	3.3520315409519E+22
Surface area	5.027547573199E+15
Circumference	125676197.11598

Square

Length = n

Perimeter	80007952
Area	400079523952144
Diagonal	28287082.704024

Cube

Length = n

Surface area	2400477143712864
Volume	8.0023858371365E+21
Space diagonal	34644459.468383

Equilateral Triangle

Length = n

Perimeter	60005964
Area	1.7323951563827E+14
Altitude	17322229.734191

Triangular Pyramid

Length = n

Surface area	1.7323951563827E+14
Volume	9.4309021518507E+20
Height	9429027.568008