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

21000913 (number)

21000913 is an odd 8-digits prime number following 21000912 and preceding 21000914. In scientific notation, it is written as 2.1000913 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 21000912 positive integers (up to 21000913) that are relatively prime to 21000913.

Interesting facts

21000913 has 2 divisors, whose sum is 21000914
The reverse of 21000913 is 31900012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million nine hundred thirteen

Notation

Scientific notation	2.1000913 × 10^7
Engineering notation	2.1000913 × 10^6

Prime Factorization of 21000913

Prime Factorization 21000913

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21000913	Product of the distinct prime numbers

The prime factorization of 21000913 is 21000913. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 5, 68, 6, 806, 162, 6348, 7109, 27788, 48943, 489094, 260694, 2167462, 5645794, 1230209, 46477265, 859936415, 190141750, 9983643591, 2899979456

Basic calculations (n = 21000913)

Multiplication

n×y

n×2	42001826
n×3	63002739
n×4	84003652
n×5	105004565

Division

n÷y

n÷2	10500456.5
n÷3	7000304.3333333
n÷3	5250228.25
n÷5	4200182.6

Exponentiation

n^y

n²	441038346833569
n³	9.2622079515156E+21
n⁴	1.9451482337769E+29
n⁵	4.0849888829652E+36

Nth Root

^y√n

²√n	4582.67531034
³√n	275.8964158306
⁴√n	67.69546004231
⁵√n	29.13718793394

Divisors of 21000913

1, 21000913

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21000914	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500457	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.6754194466	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999904766	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000913 can be divided by 2 positive divisors. The sum of these divisors (counting 21000913) is 21000914, the average is 10500457.

Base conversion 21000913

Base	System	Value
2	Binary	1010000000111001011010001
3	Ternary	1110111221211121
4	Quaternary	1100013023101
5	Quinary	20334012123
6	Senary	2030042241
8	Octal	120071321
10	Decimal	21000913
12	Duodecimal	7049381
16	Hexadecimal	14072d1
20	Vigesimal	6b525d
36	Base36	ci4ep

Cryptographic Hash Functions

md5	dafe86d1b4826a3ab90692900d023933
sha1	a2d96cc1bacea16428b73a3d9bc0cdf1be887b90
sha256	649a49b6b18a2c149afd738005f10c6b399e67e3a2071e33d9956cc2095c740a
sha512	49da83e6314f0cb67fb94164e639ad08275903c9d6059af34fb657e047b63fea6f387d0a73770a413aa76394384b60c8de6be4a049b462c98c57617685040177
ripemd-160	15b80a12d59c5aee2d887d3592d2009d27c349c5

21000913 as geometric shapes

Circle

Radius = n

Diameter	42001826
Circumference	131952627.99896
Area	1.3855628303637E+15

Sphere

Radius = n

Volume	3.8797445942003E+22
Surface area	5.5422513214549E+15
Circumference	131952627.99896

Square

Length = n

Perimeter	84003652
Area	441038346833569
Diagonal	29699775.986817

Cube

Length = n

Surface area	2646230081001414
Volume	9.2622079515156E+21
Space diagonal	36374648.321334

Equilateral Triangle

Length = n

Perimeter	63002739
Area	1.9097520620048E+14
Altitude	18187324.160667

Triangular Pyramid

Length = n

Surface area	1.9097520620048E+14
Volume	1.0915616752128E+21
Height	9899925.3289391