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

21551409 (number)

21551409 is an odd 8-digits composite number following 21551408 and preceding 21551410. In scientific notation, it is written as 2.1551409 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13061400 positive integers (up to 21551409) that are relatively prime to 21551409.

Interesting facts

21551409 has 8 divisors, whose sum is 26123040
The reverse of 21551409 is 90415512
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.1551409 × 10^7
Engineering notation	2.1551409 × 10^6

Prime Factorization of 21551409

Prime Factorization 9 × 11 × 217691

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21551409	Product of the distinct prime numbers

The prime factorization of 21551409 is 9 × 11 × 217691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 92, 25, 913, 377, 8504, 2870, 4611, 28729, 871926, 886431, 9764733, 8751962, 46748032, 22682708, 447431722, 39516519, 502100066, 3892754874

Basic calculations (n = 21551409)

Multiplication

n×y

n×2	43102818
n×3	64654227
n×4	86205636
n×5	107757045

Division

n÷y

n÷2	10775704.5
n÷3	7183803
n÷3	5387852.25
n÷5	4310281.8

Exponentiation

n^y

n²	464463229885281
n³	1.0009837032719E+22
n⁴	2.1572609191547E+29
n⁵	4.6492012388418E+36

Nth Root

^y√n

²√n	4642.3495129083
³√n	278.28634040755
⁴√n	68.134789299654
⁵√n	29.288365376626

Divisors of 21551409

1, 9, 11, 99, 217691, 1959219, 2394601, 21551409

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21551408	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551409 can be divided by 8 positive divisors. The sum of these divisors (counting 21551409) is 1, the average is 0.125.

Base conversion 21551409

Base	System	Value
2	Binary	1010010001101100100110001
3	Ternary	1111112220222100
4	Quaternary	1102031210301
5	Quinary	21004121114
6	Senary	2045531013
8	Octal	122154461
10	Decimal	21551409
12	Duodecimal	7273a69
16	Hexadecimal	148d931
20	Vigesimal	6edia9
36	Base36	ctx69

Cryptographic Hash Functions

md5	d9b8c193996d5419d3ef1a3a11dde3cf
sha1	9f07a5b84c3803e066b9bdc7f44a28fe19914c83
sha256	8e06906b5ae5c75e57b24acb484141561e22f18b6b923ffb07d16fb3343b9b76
sha512	40cdee30c2e66a9e2bad010537e10dd633bf1973c3cb103c9afcaa263726448f69bc0a4ab7fd3496234f54dd65f85bdab0d0b37cc9385706a6ad172ddebe379e
ripemd-160	3347bd73713e6b7820b12a629478e96894f91d41

21551409 as geometric shapes

Circle

Radius = n

Diameter	43102818
Circumference	135411496.37782
Area	1.4591542708702E+15

Sphere

Radius = n

Volume	4.192910731416E+22
Surface area	5.8366170834807E+15
Circumference	135411496.37782

Square

Length = n

Perimeter	86205636
Area	464463229885281
Diagonal	30478294.89605

Cube

Length = n

Surface area	2786779379311686
Volume	1.0009837032719E+22
Space diagonal	37328135.362697

Equilateral Triangle

Length = n

Perimeter	64654227
Area	2.0111847810221E+14
Altitude	18664067.681349

Triangular Pyramid

Length = n

Surface area	2.0111847810221E+14
Volume	1.1796706074013E+21
Height	10159431.632017