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

20211921 (number)

20211921 is an odd 8-digits composite number following 20211920 and preceding 20211922. In scientific notation, it is written as 2.0211921 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 13220064 positive integers (up to 20211921) that are relatively prime to 20211921.

Interesting facts

20211921 has 12 divisors, whose sum is 29746548
The reverse of 20211921 is 12911202
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty million two hundred eleven thousand nine hundred twenty-one

Notation

Scientific notation	2.0211921 × 10^7
Engineering notation	2.0211921 × 10^6

Prime Factorization of 20211921

Prime Factorization 3 × 3 × 53 × 42373

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6737307	Product of the distinct prime numbers

The prime factorization of 20211921 is 3 × 3 × 53 × 42373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 67, 55, 790, 102, 7362, 8003, 90925, 91715, 449642, 185127, 8164430, 4548059, 79251615, 33719924, 998002816, 727839068, 7005100259, 3317626813

Basic calculations (n = 20211921)

Multiplication

n×y

n×2	40423842
n×3	60635763
n×4	80847684
n×5	101059605

Division

n÷y

n÷2	10105960.5
n÷3	6737307
n÷3	5052980.25
n÷5	4042384.2

Exponentiation

n^y

n²	408521750510241
n³	8.2570093480947E+21
n⁴	1.6689002063995E+29
n⁵	3.3731679128631E+36

Nth Root

^y√n

²√n	4495.7670090875
³√n	272.39713200549
⁴√n	67.050481050381
⁵√n	28.914888265521

Divisors of 20211921

1, 3, 9, 53, 159, 477, 42373, 127119, 381357, 2245769, 6737307, 20211921

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	-20211920	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 20211921 can be divided by 12 positive divisors. The sum of these divisors (counting 20211921) is 1, the average is 0.083333333333333.

Base conversion 20211921

Base	System	Value
2	Binary	1001101000110100011010001
3	Ternary	1102000212112200
4	Quaternary	1031012203101
5	Quinary	20133240141
6	Senary	2001113413
8	Octal	115064321
10	Decimal	20211921
12	Duodecimal	6928869
16	Hexadecimal	13468d1
20	Vigesimal	6669g1
36	Base36	c17m9

Cryptographic Hash Functions

md5	191257005fac756a7b1e95672917bb35
sha1	ac499704054327dd901cdec4b560c86c7bf1d06c
sha256	721b407ac86d57e3f0edd64a714c89f4e9b64c5d463a1cc05e3511f7699e71c1
sha512	11b55e51bc983ca9daa5684f3d34c8b274a314e54dd84b1b17ddf7d98407ec790638f51e4cb6826912929c856e00fb996d68b2a844fbf84db2eaa2fd85ce7599
ripemd-160	e882e954862de01d483a58adc7bdaa969dbaaccc

20211921 as geometric shapes

Circle

Radius = n

Diameter	40423842
Circumference	126995245.05707
Area	1.2834089302346E+15

Sphere

Radius = n

Volume	3.4586879878129E+22
Surface area	5.1336357209385E+15
Circumference	126995245.05707

Square

Length = n

Perimeter	80847684
Area	408521750510241
Diagonal	28583972.799814

Cube

Length = n

Surface area	2451130503061446
Volume	8.2570093480947E+21
Space diagonal	35008074.090568

Equilateral Triangle

Length = n

Perimeter	60635763
Area	1.7689510697018E+14
Altitude	17504037.045284

Triangular Pyramid

Length = n

Surface area	1.7689510697018E+14
Volume	9.7309788372641E+20
Height	9527990.9332712