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

21121505 (number)

21121505 is an odd 8-digits composite number following 21121504 and preceding 21121506. In scientific notation, it is written as 2.1121505 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 16860016 positive integers (up to 21121505) that are relatively prime to 21121505.

Interesting facts

21121505 has 8 divisors, whose sum is 25401600
The reverse of 21121505 is 50512112
Previous prime number is 479

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.1121505 × 10^7
Engineering notation	2.1121505 × 10^6

Prime Factorization of 21121505

Prime Factorization 5 × 479 × 8819

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21121505	Product of the distinct prime numbers

The prime factorization of 21121505 is 5 × 479 × 8819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 71, 67, 253, 342, 8034, 8467, 65052, 54432, 500922, 356550, 7258032, 7507380, 41511722, 42555385, 761771096, 459879272, 2189432586, 6924737682

Basic calculations (n = 21121505)

Multiplication

n×y

n×2	42243010
n×3	63364515
n×4	84486020
n×5	105607525

Division

n÷y

n÷2	10560752.5
n÷3	7040501.6666667
n÷3	5280376.25
n÷5	4224301

Exponentiation

n^y

n²	446117973465025
n³	9.4226830071314E+21
n⁴	1.9902124624854E+29
n⁵	4.2036282477448E+36

Nth Root

^y√n

²√n	4595.8138561086
³√n	276.42349481909
⁴√n	67.79243214481
⁵√n	29.170573804834

Divisors of 21121505

1, 5, 479, 2395, 8819, 44095, 4224301, 21121505

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	-21121504	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 21121505 can be divided by 8 positive divisors. The sum of these divisors (counting 21121505) is 1, the average is 0.125.

Base conversion 21121505

Base	System	Value
2	Binary	1010000100100100111100001
3	Ternary	1110202002020222
4	Quaternary	1100210213201
5	Quinary	20401342010
6	Senary	2032412425
8	Octal	120444741
10	Decimal	21121505
12	Duodecimal	70a7115
16	Hexadecimal	14249e1
20	Vigesimal	6c03f5
36	Base36	ckpgh

Cryptographic Hash Functions

md5	047dcc9125ef347b52a30fbab4065cf2
sha1	f958a97f387c74e410ac730b446b75c28e51941b
sha256	579a6efa96c2ea26c8adc9d96fd00f7a2d534e1df426da0ac55c8f7052c63bce
sha512	ff1a6f8592be69b26bc666350d2d21fc3c4a553a8cb449e66340815f131cba8a8a9a69f24d12f942311d25b170d8db7df1a759eeb4156eac8097773dca1b518f
ripemd-160	7521ff44feebae14cf5d6c502e032be6dce93a9b

21121505 as geometric shapes

Circle

Radius = n

Diameter	42243010
Circumference	132710329.88152
Area	1.4015209480721E+15

Sphere

Radius = n

Volume	3.9469642283079E+22
Surface area	5.6060837922884E+15
Circumference	132710329.88152

Square

Length = n

Perimeter	84486020
Area	446117973465025
Diagonal	29870318.828731

Cube

Length = n

Surface area	2676707840790150
Volume	9.4226830071314E+21
Space diagonal	36583519.79232

Equilateral Triangle

Length = n

Perimeter	63364515
Area	1.9317474905277E+14
Altitude	18291759.89616

Triangular Pyramid

Length = n

Surface area	1.9317474905277E+14
Volume	1.1104738418856E+21
Height	9956772.9429104