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

21008021 (number)

21008021 is an odd 8-digits prime number following 21008020 and preceding 21008022. In scientific notation, it is written as 2.1008021 × 10^7. The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors. There are 21008020 positive integers (up to 21008021) that are relatively prime to 21008021.

Interesting facts

21008021 has 2 divisors, whose sum is 21008022
The reverse of 21008021 is 12080012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty-one million eight thousand twenty-one

Notation

Scientific notation	2.1008021 × 10^7
Engineering notation	2.1008021 × 10^6

Prime Factorization of 21008021

Prime Factorization 21008021

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21008021	Product of the distinct prime numbers

The prime factorization of 21008021 is 21008021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 3, 10, 25, 314, 915, 6946, 4536, 13465, 79803, 424237, 550472, 4104483, 6126147, 85995912, 56491901, 798365765, 288727649, 5628883726, 7127098538

Basic calculations (n = 21008021)

Multiplication

n×y

n×2	42016042
n×3	63024063
n×4	84032084
n×5	105040105

Division

n÷y

n÷2	10504010.5
n÷3	7002673.6666667
n÷3	5252005.25
n÷5	4201604.2

Exponentiation

n^y

n²	441336946336441
n³	9.2716158367118E+21
n⁴	1.9477830020157E+29
n⁵	4.091906620979E+36

Nth Root

^y√n

²√n	4583.450774253
³√n	275.92753908885
⁴√n	67.701187391751
⁵√n	29.13916003009

Divisors of 21008021

1, 21008021

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21008022	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10504011	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4583.4508833411	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047983	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21008021 can be divided by 2 positive divisors. The sum of these divisors (counting 21008021) is 21008022, the average is 10504011.

Base conversion 21008021

Base	System	Value
2	Binary	1010000001000111010010101
3	Ternary	1110112022120212
4	Quaternary	1100020322111
5	Quinary	20334224041
6	Senary	2030135205
8	Octal	120107225
10	Decimal	21008021
12	Duodecimal	7051505
16	Hexadecimal	1408e95
20	Vigesimal	6b6011
36	Base36	ci9w5

Cryptographic Hash Functions

md5	612a4d8331f1a7aeae1615c85af44771
sha1	aa84491d27758b2b494e8684aff8d6cdf9abf96d
sha256	6dad25e00896ce241611c2ddf555232752d94a0e4f760a08400feaff8c6ae0ba
sha512	2495ed5c957d0511dc7c10ea7ccb4c7130ff1c1435f8aeb58c3b2c0d9e3883afb5460eb2ae1a261fbdb6f91d0bcce77ebc882749bce8dbf5eda580af2d0ab18d
ripemd-160	1345a190452a7d27c8c9c9c26017aa3898d474c2

21008021 as geometric shapes

Circle

Radius = n

Diameter	42016042
Circumference	131997288.88012
Area	1.3865009083683E+15

Sphere

Radius = n

Volume	3.8836853599361E+22
Surface area	5.5460036334733E+15
Circumference	131997288.88012

Square

Length = n

Perimeter	84032084
Area	441336946336441
Diagonal	29709828.216819

Cube

Length = n

Surface area	2648021678018646
Volume	9.2716158367118E+21
Space diagonal	36386959.738474

Equilateral Triangle

Length = n

Perimeter	63024063
Area	1.91104503578E+14
Altitude	18193479.869237

Triangular Pyramid

Length = n

Surface area	1.91104503578E+14
Volume	1.0926704051159E+21
Height	9903276.0722729