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

21556921 (number)

21556921 is an odd 8-digits prime number following 21556920 and preceding 21556922. In scientific notation, it is written as 2.1556921 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21556920 positive integers (up to 21556921) that are relatively prime to 21556921.

Interesting facts

21556921 has 2 divisors, whose sum is 21556922
The reverse of 21556921 is 12965512
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1556921 × 10^7
Engineering notation	2.1556921 × 10^6

Prime Factorization of 21556921

Prime Factorization 21556921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21556921	Product of the distinct prime numbers

The prime factorization of 21556921 is 21556921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 5, 95, 98, 544, 161, 5743, 6496, 52026, 71388, 820027, 451107, 8808740, 3196415, 70460979, 35892600, 73551379, 769706790, 5242435816, 8795008224

Basic calculations (n = 21556921)

Multiplication

n×y

n×2	43113842
n×3	64670763
n×4	86227684
n×5	107784605

Division

n÷y

n÷2	10778460.5
n÷3	7185640.3333333
n÷3	5389230.25
n÷5	4311384.2

Exponentiation

n^y

n²	464700843000241
n³	1.001751936119E+22
n⁴	2.1594687348513E+29
n⁵	4.655149691916E+36

Nth Root

^y√n

²√n	4642.9431398629
³√n	278.31006327342
⁴√n	68.139145429503
⁵√n	29.289863385009

Divisors of 21556921

1, 21556921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21556922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10778461	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4642.9432475532	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999072224	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556921 can be divided by 2 positive divisors. The sum of these divisors (counting 21556921) is 21556922, the average is 10778461.

Base conversion 21556921

Base	System	Value
2	Binary	1010010001110111010111001
3	Ternary	1111120012112111
4	Quaternary	1102032322321
5	Quinary	21004310141
6	Senary	2050012321
8	Octal	122167271
10	Decimal	21556921
12	Duodecimal	72770a1
16	Hexadecimal	148eeb9
20	Vigesimal	6eec61
36	Base36	cu1fd

Cryptographic Hash Functions

md5	083e34bd51a5e081fcba697198f908fe
sha1	e8e54c540bf7f42348f4bfeb427eca03958400f9
sha256	5c22a15e696c590eb062e6666aa635a3b503bcfaba3cd9949e14561d4fd80623
sha512	14c42bf7163905fb9f69ddec2c8104d3b1b90a406e0bea7708a92f5e71119016fda3c98bea226d6243826b9630e2eec6d62c9b961bf41b97f27728782ed99ddd
ripemd-160	46bb6dec1457531127a0605d6ec8e16b484481ed

21556921 as geometric shapes

Circle

Radius = n

Diameter	43113842
Circumference	135446129.29523
Area	1.4599007544865E+15

Sphere

Radius = n

Volume	4.1961286976409E+22
Surface area	5.8396030179462E+15
Circumference	135446129.29523

Square

Length = n

Perimeter	86227684
Area	464700843000241
Diagonal	30486090.041205

Cube

Length = n

Surface area	2788205058001446
Volume	1.001751936119E+22
Space diagonal	37337682.426748

Equilateral Triangle

Length = n

Perimeter	64670763
Area	2.0122136759913E+14
Altitude	18668841.213374

Triangular Pyramid

Length = n

Surface area	2.0122136759913E+14
Volume	1.1805759784941E+21
Height	10162030.013735