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

20197721 (number)

20197721 is an odd 8-digits prime number following 20197720 and preceding 20197722. In scientific notation, it is written as 2.0197721 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20197720 positive integers (up to 20197721) that are relatively prime to 20197721.

Interesting facts

20197721 has 2 divisors, whose sum is 20197722
The reverse of 20197721 is 12779102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0197721 × 10^7
Engineering notation	2.0197721 × 10^6

Prime Factorization of 20197721

Prime Factorization 20197721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20197721	Product of the distinct prime numbers

The prime factorization of 20197721 is 20197721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 3, 55, 8, 137, 428, 9600, 9180, 69014, 2525, 809622, 553167, 4619530, 3100923, 55597622, 97338812, 47330367, 60356587, 7112340169, 387324215

Basic calculations (n = 20197721)

Multiplication

n×y

n×2	40395442
n×3	60593163
n×4	80790884
n×5	100988605

Division

n÷y

n÷2	10098860.5
n÷3	6732573.6666667
n÷3	5049430.25
n÷5	4039544.2

Exponentiation

n^y

n²	407947933593841
n³	8.2396185452549E+21
n⁴	1.6642151652348E+29
n⁵	3.3613353591382E+36

Nth Root

^y√n

²√n	4494.187468275
³√n	272.33332567611
⁴√n	67.038701272287
⁵√n	28.910824259459

Divisors of 20197721

1, 20197721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20197722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10098861	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4494.1875795298	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009789	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20197721 can be divided by 2 positive divisors. The sum of these divisors (counting 20197721) is 20197722, the average is 10098861.

Base conversion 20197721

Base	System	Value
2	Binary	1001101000011000101011001
3	Ternary	1102000011001202
4	Quaternary	1031003011121
5	Quinary	20132311341
6	Senary	2000523545
8	Octal	115030531
10	Decimal	20197721
12	Duodecimal	69205b5
16	Hexadecimal	1343159
20	Vigesimal	664e61
36	Base36	c0wnt

Cryptographic Hash Functions

md5	43815f3e185f0f57784fc2da91c94216
sha1	f3c91b5e14eb5bd758059c211c94ea0d67595dfe
sha256	fd8d1573dca98ad731e076e1b125ed34efefe4ce0771ec8a9ace19325dd82b93
sha512	bc5ecd94e3316e953c6f86366ce3465c5fbf23d9bfe7bf4f48c96d6347f5913ecc1790a5c2cf11475cba3aced401831d25435af88b0d1ca0af89e1a24d1c7c61
ripemd-160	bb0ba3aaa0e444de1a93bdd72e17ace214780611

20197721 as geometric shapes

Circle

Radius = n

Diameter	40395442
Circumference	126906023.82571
Area	1.2816062312255E+15

Sphere

Radius = n

Volume	3.451403345354E+22
Surface area	5.1264249249022E+15
Circumference	126906023.82571

Square

Length = n

Perimeter	80790884
Area	407947933593841
Diagonal	28563890.967228

Cube

Length = n

Surface area	2447687601563046
Volume	8.2396185452549E+21
Space diagonal	34983478.969101

Equilateral Triangle

Length = n

Perimeter	60593163
Area	1.7664663695682E+14
Altitude	17491739.48455

Triangular Pyramid

Length = n

Surface area	1.7664663695682E+14
Volume	9.710483579567E+20
Height	9521296.989076