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

21551921 (number)

21551921 is an odd 8-digits prime number following 21551920 and preceding 21551922. In scientific notation, it is written as 2.1551921 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21551920 positive integers (up to 21551921) that are relatively prime to 21551921.

Interesting facts

21551921 has 2 divisors, whose sum is 21551922
The reverse of 21551921 is 12915512
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million five hundred fifty-one thousand nine hundred twenty-one

Notation

Scientific notation	2.1551921 × 10^7
Engineering notation	2.1551921 × 10^6

Prime Factorization of 21551921

Prime Factorization 21551921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21551921	Product of the distinct prime numbers

The prime factorization of 21551921 is 21551921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 51, 100, 56, 919, 1809, 7784, 45312, 25898, 64155, 903520, 8110544, 7525094, 97555114, 40818336, 691556727, 498248129, 9933446130, 6943144808

Basic calculations (n = 21551921)

Multiplication

n×y

n×2	43103842
n×3	64655763
n×4	86207684
n×5	107759605

Division

n÷y

n÷2	10775960.5
n÷3	7183973.6666667
n÷3	5387980.25
n÷5	4310384.2

Exponentiation

n^y

n²	464485298790241
n³	1.0010550465189E+22
n⁴	2.1574659279226E+29
n⁵	4.6497535238779E+36

Nth Root

^y√n

²√n	4642.4046570716
³√n	278.2885441533
⁴√n	68.135193968107
⁵√n	29.288504536906

Divisors of 21551921

1, 21551921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21551922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10775961	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4642.4047647744	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999072009	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551921 can be divided by 2 positive divisors. The sum of these divisors (counting 21551921) is 21551922, the average is 10775961.

Base conversion 21551921

Base	System	Value
2	Binary	1010010001101101100110001
3	Ternary	1111112221200022
4	Quaternary	1102031230301
5	Quinary	21004130141
6	Senary	2045533225
8	Octal	122155461
10	Decimal	21551921
12	Duodecimal	7274215
16	Hexadecimal	148db31
20	Vigesimal	6edjg1
36	Base36	ctxkh

Cryptographic Hash Functions

md5	073f78ebbad3bd32e50cc9353f18236d
sha1	45e2f51bf8625a72d6aa868bef1bc9fcdb4fe063
sha256	b067d44e285d5acf3f9bd4f654126695c9f6ad91113462fa304aa485753653b4
sha512	38be40ae4ab31f1b80cb41e6594f23e4a901444c2051487956e07efa69ca216af7a3a7018ca0062f103e28bd6796dfaf1b9864c175784ecdd639f0e13cf217a0
ripemd-160	a22baf521a1ca01a6edb4d152907f43e1e18cac3

21551921 as geometric shapes

Circle

Radius = n

Diameter	43103842
Circumference	135414713.3687
Area	1.4592236023799E+15

Sphere

Radius = n

Volume	4.1932095733102E+22
Surface area	5.8368944095195E+15
Circumference	135414713.3687

Square

Length = n

Perimeter	86207684
Area	464485298790241
Diagonal	30479018.973394

Cube

Length = n

Surface area	2786911792741446
Volume	1.0010550465189E+22
Space diagonal	37329022.172711

Equilateral Triangle

Length = n

Perimeter	64655763
Area	2.0112803421838E+14
Altitude	18664511.086355

Triangular Pyramid

Length = n

Surface area	2.0112803421838E+14
Volume	1.1797546862242E+21
Height	10159672.991131