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

21031691 (number)

21031691 is an odd 8-digits composite number following 21031690 and preceding 21031692. In scientific notation, it is written as 2.1031691 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20735400 positive integers (up to 21031691) that are relatively prime to 21031691.

Interesting facts

21031691 has 4 divisors, whose sum is 21327984
The reverse of 21031691 is 19613012
Previous prime number is 71

Basic properties

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

Name

Name	twenty-one million thirty-one thousand six hundred ninety-one

Notation

Scientific notation	2.1031691 × 10^7
Engineering notation	2.1031691 × 10^6

Prime Factorization of 21031691

Prime Factorization 71 × 296221

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031691	Product of the distinct prime numbers

The prime factorization of 21031691 is 71 × 296221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 6, 63, 786, 275, 6450, 7706, 14466, 99058, 854433, 745418, 5800489, 972517, 82370526, 78240033, 350778204, 729449547, 6503780085, 2158303170

Basic calculations (n = 21031691)

Multiplication

n×y

n×2	42063382
n×3	63095073
n×4	84126764
n×5	105158455

Division

n÷y

n÷2	10515845.5
n÷3	7010563.6666667
n÷3	5257922.75
n÷5	4206338.2

Exponentiation

n^y

n²	442332026319481
n³	9.3029904969552E+21
n⁴	1.956576215079E+29
n⁵	4.1150106373491E+36

Nth Root

^y√n

²√n	4586.0321629923
³√n	276.03113052907
⁴√n	67.7202492833
⁵√n	29.145723363968

Divisors of 21031691

1, 71, 296221, 21031691

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	-21031690	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 21031691 can be divided by 4 positive divisors. The sum of these divisors (counting 21031691) is 1, the average is 0.25.

Base conversion 21031691

Base	System	Value
2	Binary	1010000001110101100001011
3	Ternary	1110120112001112
4	Quaternary	1100032230023
5	Quinary	20341003231
6	Senary	2030440535
8	Octal	120165413
10	Decimal	21031691
12	Duodecimal	706314b
16	Hexadecimal	140eb0b
20	Vigesimal	6b8j4b
36	Base36	cis5n

Cryptographic Hash Functions

md5	7d6617ebefb65c734cc35d804a5aef3f
sha1	abec730dc74f15294b48234541ebc7bb3a36d367
sha256	cbd3e44b62c8b8c3040a239503253687870d44c4bca2551274fb40d5c2ebee9a
sha512	3bb6c4ca6bc3313b26a1ecfff38d0e2fe7b2ce5b7ca10bba944de9c82cafdfaeee13ab8c614abf7701207a1d3f7076316e4018aa1844e92e8d13276811c1e735
ripemd-160	2f5d37316324730e8e94394e0b2215a567a32e13

21031691 as geometric shapes

Circle

Radius = n

Diameter	42063382
Circumference	132146011.87634
Area	1.3896270443328E+15

Sphere

Radius = n

Volume	3.8968275468867E+22
Surface area	5.5585081773311E+15
Circumference	132146011.87634

Square

Length = n

Perimeter	84126764
Area	442332026319481
Diagonal	29743302.65184

Cube

Length = n

Surface area	2653992157916886
Volume	9.3029904969552E+21
Space diagonal	36427957.381089

Equilateral Triangle

Length = n

Perimeter	63095073
Area	1.9153538585006E+14
Altitude	18213978.690545

Triangular Pyramid

Length = n

Surface area	1.9153538585006E+14
Volume	1.0963679442852E+21
Height	9914434.2172801