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

21000947 (number)

21000947 is an odd 8-digits composite number following 21000946 and preceding 21000948. In scientific notation, it is written as 2.1000947 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18086760 positive integers (up to 21000947) that are relatively prime to 21000947.

Interesting facts

21000947 has 8 divisors, whose sum is 24116160
The reverse of 21000947 is 74900012
Previous prime number is 19

Basic properties

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

Name

Name	twenty-one million nine hundred forty-seven

Notation

Scientific notation	2.1000947 × 10^7
Engineering notation	2.1000947 × 10^6

Prime Factorization of 21000947

Prime Factorization 11 × 19 × 100483

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000947	Product of the distinct prime numbers

The prime factorization of 21000947 is 11 × 19 × 100483. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 61, 83, 742, 939, 8969, 6700, 86224, 64019, 192701, 74201, 3677571, 2975255, 6493559, 82972286, 999912148, 488766273, 8117889299, 8029768601

Basic calculations (n = 21000947)

Multiplication

n×y

n×2	42001894
n×3	63002841
n×4	84003788
n×5	105004735

Division

n÷y

n÷2	10500473.5
n÷3	7000315.6666667
n÷3	5250236.75
n÷5	4200189.4

Exponentiation

n^y

n²	441039774896809
n³	9.2622529374998E+21
n⁴	1.9451608304103E+29
n⁵	4.0850219505922E+36

Nth Root

^y√n

²√n	4582.679019962
³√n	275.89656472053
⁴√n	67.695487441646
⁵√n	29.137197368422

Divisors of 21000947

1, 11, 19, 209, 100483, 1105313, 1909177, 21000947

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	-21000946	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 21000947 can be divided by 8 positive divisors. The sum of these divisors (counting 21000947) is 1, the average is 0.125.

Base conversion 21000947

Base	System	Value
2	Binary	1010000000111001011110011
3	Ternary	1110111221212212
4	Quaternary	1100013023303
5	Quinary	20334012242
6	Senary	2030042335
8	Octal	120071363
10	Decimal	21000947
12	Duodecimal	70493ab
16	Hexadecimal	14072f3
20	Vigesimal	6b5277
36	Base36	ci4fn

Cryptographic Hash Functions

md5	b96989cacb2672c57a7d82bdbc594f56
sha1	4bdacdb1d88d97b39f7a5189e01a0cf6d66727bd
sha256	082705348ffe6447396f8a8113ad45840860b219baae47c62b33a81fae077b91
sha512	9bc9a24ad46249bcd6a0ca14e584bf609cc6613b519cc4361507fe42b8b385b437ea7c176a29ca7a954cbd246a09fd94661291ac50502f3e97758ed57818e9c0
ripemd-160	4a2b1213333a72bd722d1985b6f694d306f03535

21000947 as geometric shapes

Circle

Radius = n

Diameter	42001894
Circumference	131952841.62726
Area	1.3855673167567E+15

Sphere

Radius = n

Volume	3.8797634378853E+22
Surface area	5.5422692670268E+15
Circumference	131952841.62726

Square

Length = n

Perimeter	84003788
Area	441039774896809
Diagonal	29699824.070079

Cube

Length = n

Surface area	2646238649380854
Volume	9.2622529374998E+21
Space diagonal	36374707.211061

Equilateral Triangle

Length = n

Perimeter	63002841
Area	1.9097582457E+14
Altitude	18187353.605531

Triangular Pyramid

Length = n

Surface area	1.9097582457E+14
Volume	1.0915669768619E+21
Height	9899941.3566929