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

21000923 (number)

21000923 is an odd 8-digits composite number following 21000922 and preceding 21000924. In scientific notation, it is written as 2.1000923 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20949168 positive integers (up to 21000923) that are relatively prime to 21000923.

Interesting facts

21000923 has 4 divisors, whose sum is 21052680
The reverse of 21000923 is 32900012
Previous prime number is 409

Basic properties

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

Name

Name	twenty-one million nine hundred twenty-three

Notation

Scientific notation	2.1000923 × 10^7
Engineering notation	2.1000923 × 10^6

Prime Factorization of 21000923

Prime Factorization 409 × 51347

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000923	Product of the distinct prime numbers

The prime factorization of 21000923 is 409 × 51347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 79, 29, 693, 796, 5964, 959, 37430, 59206, 328264, 105762, 5134937, 4727878, 80420415, 75006538, 208017412, 656465991, 9562578071, 8515980571

Basic calculations (n = 21000923)

Multiplication

n×y

n×2	42001846
n×3	63002769
n×4	84003692
n×5	105004615

Division

n÷y

n÷2	10500461.5
n÷3	7000307.6666667
n÷3	5250230.75
n÷5	4200184.6

Exponentiation

n^y

n²	441038766851929
n³	9.2622211826723E+21
n⁴	1.9451519386627E+29
n⁵	4.0849986087156E+36

Nth Root

^y√n

²√n	4582.6764014056
³√n	275.89645962177
⁴√n	67.695468100942
⁵√n	29.137190708789

Divisors of 21000923

1, 409, 51347, 21000923

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	-21000922	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 21000923 can be divided by 4 positive divisors. The sum of these divisors (counting 21000923) is 1, the average is 0.25.

Base conversion 21000923

Base	System	Value
2	Binary	1010000000111001011011011
3	Ternary	1110111221211222
4	Quaternary	1100013023123
5	Quinary	20334012143
6	Senary	2030042255
8	Octal	120071333
10	Decimal	21000923
12	Duodecimal	704938b
16	Hexadecimal	14072db
20	Vigesimal	6b5263
36	Base36	ci4ez

Cryptographic Hash Functions

md5	133bab811e23fa0b338e0ba7128c4515
sha1	1f39a6c6972d8682459bdeedfb205547e0c69e03
sha256	8ae52492decb1e1baff6ccda462385e152cc18335f11d3f6798c707d3f891e3f
sha512	9187120a17c18bfb83dcc5330c122cb655017d397a4218f3d4206656011e45a22e4867ac04df36403dfefd417aa418d2bfae1cdc42a91582fc8a1115b9dde6b4
ripemd-160	4e12490bd6999988708781157b1bb12f71abd39a

21000923 as geometric shapes

Circle

Radius = n

Diameter	42001846
Circumference	131952690.83081
Area	1.3855641498903E+15

Sphere

Radius = n

Volume	3.8797501364543E+22
Surface area	5.5422565995613E+15
Circumference	131952690.83081

Square

Length = n

Perimeter	84003692
Area	441038766851929
Diagonal	29699790.128953

Cube

Length = n

Surface area	2646232601111574
Volume	9.2622211826723E+21
Space diagonal	36374665.641842

Equilateral Triangle

Length = n

Perimeter	63002769
Area	1.9097538807377E+14
Altitude	18187332.820921

Triangular Pyramid

Length = n

Surface area	1.9097538807377E+14
Volume	1.0915632345195E+21
Height	9899930.0429844