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

21000505 (number)

21000505 is an odd 8-digits composite number following 21000504 and preceding 21000506. In scientific notation, it is written as 2.1000505 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 16780416 positive integers (up to 21000505) that are relatively prime to 21000505.

Interesting facts

21000505 has 8 divisors, whose sum is 25230600
The reverse of 21000505 is 50500012
Previous prime number is 1069

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

Name	twenty-one million five hundred five

Notation

Scientific notation	2.1000505 × 10^7
Engineering notation	2.1000505 × 10^6

Prime Factorization of 21000505

Prime Factorization 5 × 1069 × 3929

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000505	Product of the distinct prime numbers

The prime factorization of 21000505 is 5 × 1069 × 3929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 72, 20, 738, 529, 802, 3011, 55713, 1300, 771263, 679818, 4578081, 9326018, 80491144, 49172994, 468690798, 243526747, 2344853051, 9446722508

Basic calculations (n = 21000505)

Multiplication

n×y

n×2	42001010
n×3	63001515
n×4	84002020
n×5	105002525

Division

n÷y

n÷2	10500252.5
n÷3	7000168.3333333
n÷3	5250126.25
n÷5	4200101

Exponentiation

n^y

n²	441021210255025
n³	9.2616681310667E+21
n⁴	1.9449970789481E+29
n⁵	4.0845920881434E+36

Nth Root

^y√n

²√n	4582.6307946419
³√n	275.89462913897
⁴√n	67.695131247689
⁵√n	29.137074719195

Divisors of 21000505

1, 5, 1069, 3929, 5345, 19645, 4200101, 21000505

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	-21000504	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 21000505 can be divided by 8 positive divisors. The sum of these divisors (counting 21000505) is 1, the average is 0.125.

Base conversion 21000505

Base	System	Value
2	Binary	1010000000111000100111001
3	Ternary	1110111221021111
4	Quaternary	1100013010321
5	Quinary	20334004010
6	Senary	2030040321
8	Octal	120070471
10	Decimal	21000505
12	Duodecimal	70490a1
16	Hexadecimal	1407139
20	Vigesimal	6b5155
36	Base36	ci43d

Cryptographic Hash Functions

md5	655cb403d41a10595662c79b106e6f4a
sha1	632d206b6ff2d8107d961961454b02a3a57338c5
sha256	b41060dead2630b5521d318ef395ec767dd4b75921892cafe792eeb34b9aa200
sha512	f6c108a0e148808610a22c78e5e33dbb0a0af2ccff9ce6a6a48428c6958c1b8d7af8209c0179339a9b65974af0b8da396c8648df0e1beb907c6eefc6e7bcf54a
ripemd-160	2935bff352996b74eeed24f8bc8e37bb3c1240b0

21000505 as geometric shapes

Circle

Radius = n

Diameter	42001010
Circumference	131950064.45935
Area	1.3855089942145E+15

Sphere

Radius = n

Volume	3.8795184747394E+22
Surface area	5.5420359768579E+15
Circumference	131950064.45935

Square

Length = n

Perimeter	84002020
Area	441021210255025
Diagonal	29699198.987684

Cube

Length = n

Surface area	2646127261530150
Volume	9.2616681310667E+21
Space diagonal	36373941.644604

Equilateral Triangle

Length = n

Perimeter	63001515
Area	1.909677858443E+14
Altitude	18186970.822302

Triangular Pyramid

Length = n

Surface area	1.909677858443E+14
Volume	1.0914980567628E+21
Height	9899732.9958947