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

20197921 (number)

20197921 is an odd 8-digits composite number following 20197920 and preceding 20197922. In scientific notation, it is written as 2.0197921 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18592832 positive integers (up to 20197921) that are relatively prime to 20197921.

Interesting facts

20197921 has 4 divisors, whose sum is 20212992
The reverse of 20197921 is 12979102
Previous prime number is 13583

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred ninety-seven thousand nine hundred twenty-one

Notation

Scientific notation	2.0197921 × 10^7
Engineering notation	2.0197921 × 10^6

Prime Factorization of 20197921

Prime Factorization 13583 × 1487

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20197921	Product of the distinct prime numbers

The prime factorization of 20197921 is 13583 × 1487. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 84, 47, 52, 388, 8279, 9907, 36209, 28350, 819863, 474385, 3496654, 478370, 41377445, 38892218, 185777129, 267886581, 2689619724, 8868967218

Basic calculations (n = 20197921)

Multiplication

n×y

n×2	40395842
n×3	60593763
n×4	80791684
n×5	100989605

Division

n÷y

n÷2	10098960.5
n÷3	6732640.3333333
n÷3	5049480.25
n÷5	4039584.2

Exponentiation

n^y

n²	407956012722241
n³	8.2398633164388E+21
n⁴	1.6642810831623E+29
n⁵	3.3615017839506E+36

Nth Root

^y√n

²√n	4494.2097191831
³√n	272.33422456441
⁴√n	67.038867227774
⁵√n	28.910881514849

Divisors of 20197921

1, 1487, 13583, 20197921

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	-20197920	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 20197921 can be divided by 4 positive divisors. The sum of these divisors (counting 20197921) is 1, the average is 0.25.

Base conversion 20197921

Base	System	Value
2	Binary	1001101000011001000100001
3	Ternary	1102000011100011
4	Quaternary	1031003020201
5	Quinary	20132313141
6	Senary	2000524521
8	Octal	115031041
10	Decimal	20197921
12	Duodecimal	6920741
16	Hexadecimal	1343221
20	Vigesimal	664eg1
36	Base36	c0wtd

Cryptographic Hash Functions

md5	eb32987da9acb41fea6991f0902e9607
sha1	61fa730e0ee94f38dbda6b862df225f11acc67ff
sha256	61730ebe5d9a1cbd98ce0c63505e7d587f769a2bc333b17f6fe58c9e88418fd6
sha512	6ed610aeaa35c47fe519a258b54b387df3625d9cdf718547b3c83252cfbb8dc75851082eb874c0ef301ff7dac53a7b3d69e580d8a018fb4baa63f2208a4d62c2
ripemd-160	aa6c0f4b8d489a2a15cb45d94e602b8d6e838c85

20197921 as geometric shapes

Circle

Radius = n

Diameter	40395842
Circumference	126907280.46277
Area	1.281631612556E+15

Sphere

Radius = n

Volume	3.4515058748678E+22
Surface area	5.1265264502239E+15
Circumference	126907280.46277

Square

Length = n

Perimeter	80791684
Area	407956012722241
Diagonal	28564173.80994

Cube

Length = n

Surface area	2447736076333446
Volume	8.2398633164388E+21
Space diagonal	34983825.379262

Equilateral Triangle

Length = n

Perimeter	60593763
Area	1.7665013532203E+14
Altitude	17491912.689631

Triangular Pyramid

Length = n

Surface area	1.7665013532203E+14
Volume	9.7107720451736E+20
Height	9521391.2699801