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

21006923 (number)

21006923 is an odd 8-digits composite number following 21006922 and preceding 21006924. In scientific notation, it is written as 2.1006923 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17934336 positive integers (up to 21006923) that are relatively prime to 21006923.

Interesting facts

21006923 has 8 divisors, whose sum is 24103392
The reverse of 21006923 is 32960012
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million six thousand nine hundred twenty-three

Notation

Scientific notation	2.1006923 × 10^7
Engineering notation	2.1006923 × 10^6

Prime Factorization of 21006923

Prime Factorization 7 × 257 × 11677

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21006923	Product of the distinct prime numbers

The prime factorization of 21006923 is 7 × 257 × 11677. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 84, 85, 291, 817, 4371, 4990, 81380, 56897, 376672, 770554, 4370737, 2407803, 18107278, 78267711, 829513478, 652329131, 9189129987, 5348637870

Basic calculations (n = 21006923)

Multiplication

n×y

n×2	42013846
n×3	63020769
n×4	84027692
n×5	105034615

Division

n÷y

n÷2	10503461.5
n÷3	7002307.6666667
n÷3	5251730.75
n÷5	4201384.6

Exponentiation

n^y

n²	441290813927929
n³	9.2701621487913E+21
n⁴	1.9473758245717E+29
n⁵	4.090837399884E+36

Nth Root

^y√n

²√n	4583.3309939388
³√n	275.92273181839
⁴√n	67.700302761057
⁵√n	29.138855427704

Divisors of 21006923

1, 7, 257, 1799, 11677, 81739, 3000989, 21006923

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	-21006922	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 21006923 can be divided by 8 positive divisors. The sum of these divisors (counting 21006923) is 1, the average is 0.125.

Base conversion 21006923

Base	System	Value
2	Binary	1010000001000101001001011
3	Ternary	1110112021002012
4	Quaternary	1100020221023
5	Quinary	20334210143
6	Senary	2030130135
8	Octal	120105113
10	Decimal	21006923
12	Duodecimal	705094b
16	Hexadecimal	1408a4b
20	Vigesimal	6b5h63
36	Base36	ci91n

Cryptographic Hash Functions

md5	db32b6394b4a16964a2ee02b7b76dd60
sha1	76a8c5e9b44ac376565b4be740960d4c41761496
sha256	b6214697b3b7ac0afb0889b76445775ad248848e7664e95adbdc257552d5f80e
sha512	1a27ce07692a88cc18e5a5b90b44299540042e879049b80d1480b03084b05871f8aab6016f672126ab497564dc16cbcc59cd8ce3e96e0bdf7f8f8529d9162c60
ripemd-160	1dd5f9858f7c961edb9687ec7322f1f565bd285b

21006923 as geometric shapes

Circle

Radius = n

Diameter	42013846
Circumference	131990389.94265
Area	1.3863559791326E+15

Sphere

Radius = n

Volume	3.8830764405639E+22
Surface area	5.5454239165306E+15
Circumference	131990389.94265

Square

Length = n

Perimeter	84027692
Area	441290813927929
Diagonal	29708275.410327

Cube

Length = n

Surface area	2647744883567574
Volume	9.2701621487913E+21
Space diagonal	36385057.946687

Equilateral Triangle

Length = n

Perimeter	63020769
Area	1.9108452765915E+14
Altitude	18192528.973344

Triangular Pyramid

Length = n

Surface area	1.9108452765915E+14
Volume	1.0924990863515E+21
Height	9902758.4701091