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

20100821 (number)

20100821 is an odd 8-digits composite number following 20100820 and preceding 20100822. In scientific notation, it is written as 2.0100821 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 18554592 positive integers (up to 20100821) that are relatively prime to 20100821.

Interesting facts

20100821 has 4 divisors, whose sum is 21647052
The reverse of 20100821 is 12800102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty million one hundred thousand eight hundred twenty-one

Notation

Scientific notation	2.0100821 × 10^7
Engineering notation	2.0100821 × 10^6

Prime Factorization of 20100821

Prime Factorization 13 × 1546217

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20100821	Product of the distinct prime numbers

The prime factorization of 20100821 is 13 × 1546217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 69, 80, 423, 653, 3640, 2268, 35903, 54454, 375602, 89417, 2504935, 4752911, 73920481, 40763464, 972006213, 138203215, 4943878796, 1767854935

Basic calculations (n = 20100821)

Multiplication

n×y

n×2	40201642
n×3	60302463
n×4	80403284
n×5	100504105

Division

n÷y

n÷2	10050410.5
n÷3	6700273.6666667
n÷3	5025205.25
n÷5	4020164.2

Exponentiation

n^y

n²	404043004874041
n³	8.1215961172752E+21
n⁴	1.6325074978764E+29
n⁵	3.2814740995972E+36

Nth Root

^y√n

²√n	4483.393915328
³√n	271.8971145265
⁴√n	66.958150477205
⁵√n	28.883030524935

Divisors of 20100821

1, 13, 1546217, 20100821

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20100820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20100821 can be divided by 4 positive divisors. The sum of these divisors (counting 20100821) is 1, the average is 0.25.

Base conversion 20100821

Base	System	Value
2	Binary	1001100101011011011010101
3	Ternary	1101211020010212
4	Quaternary	1030223123111
5	Quinary	20121211241
6	Senary	1554455205
8	Octal	114533325
10	Decimal	20100821
12	Duodecimal	6894505
16	Hexadecimal	132b6d5
20	Vigesimal	65cc11
36	Base36	bytw5

Cryptographic Hash Functions

md5	1c7c4ebdc765088f004feccb8650a2b6
sha1	2e601a8234d1814aad65bb313a85fa9da2ae08a1
sha256	2dc5364cad2fedcde370c1602ac2618b96dbc26c179d2f5afb1f3cf7f6e0428e
sha512	fd1f87109407cd86e55bcbaba2ef268a6524483dda8a440a4bc2d559d5152c7a2cecd64c401d228ab6b9da259156e37cba192758789a0620dd26dff50ec7b555
ripemd-160	b81a8e0cdd74818a80f82fae4494542b2ddea770

20100821 as geometric shapes

Circle

Radius = n

Diameter	40201642
Circumference	126297183.16945
Area	1.2693385358466E+15

Sphere

Radius = n

Volume	3.4019662263274E+22
Surface area	5.0773541433865E+15
Circumference	126297183.16945

Square

Length = n

Perimeter	80403284
Area	404043004874041
Diagonal	28426853.673034

Cube

Length = n

Surface area	2424258029244246
Volume	8.1215961172752E+21
Space diagonal	34815643.245847

Equilateral Triangle

Length = n

Perimeter	60302463
Area	1.7495575322116E+14
Altitude	17407821.622924

Triangular Pyramid

Length = n

Surface area	1.7495575322116E+14
Volume	9.5713928143061E+20
Height	9475617.8910113