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

21031685 (number)

21031685 is an odd 8-digits composite number following 21031684 and preceding 21031686. In scientific notation, it is written as 2.1031685 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16825344 positive integers (up to 21031685) that are relatively prime to 21031685.

Interesting facts

21031685 has 4 divisors, whose sum is 25238028
The reverse of 21031685 is 58613012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million thirty-one thousand six hundred eighty-five

Notation

Scientific notation	2.1031685 × 10^7
Engineering notation	2.1031685 × 10^6

Prime Factorization of 21031685

Prime Factorization 5 × 4206337

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031685	Product of the distinct prime numbers

The prime factorization of 21031685 is 5 × 4206337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 10, 95, 18, 324, 12, 9775, 7995, 15372, 30083, 865909, 648037, 9118359, 6984027, 3602940, 45896293, 776438247, 380734616, 7882135571, 143521224

Basic calculations (n = 21031685)

Multiplication

n×y

n×2	42063370
n×3	63095055
n×4	84126740
n×5	105158425

Division

n÷y

n÷2	10515842.5
n÷3	7010561.6666667
n÷3	5257921.25
n÷5	4206337

Exponentiation

n^y

n²	442331773939225
n³	9.302982534981E+21
n⁴	1.9565739823622E+29
n⁵	4.1150047676238E+36

Nth Root

^y√n

²√n	4586.031508832
³√n	276.03110428
⁴√n	67.720244453428
⁵√n	29.145721701007

Divisors of 21031685

1, 5, 4206337, 21031685

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	-21031684	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 21031685 can be divided by 4 positive divisors. The sum of these divisors (counting 21031685) is 1, the average is 0.25.

Base conversion 21031685

Base	System	Value
2	Binary	1010000001110101100000101
3	Ternary	1110120112001022
4	Quaternary	1100032230011
5	Quinary	20341003220
6	Senary	2030440525
8	Octal	120165405
10	Decimal	21031685
12	Duodecimal	7063145
16	Hexadecimal	140eb05
20	Vigesimal	6b8j45
36	Base36	cis5h

Cryptographic Hash Functions

md5	6e982112323883cf8460d0d27c52f001
sha1	b1068acc873d024a9febd5b9c41f24805f82d696
sha256	4f3811cbe97bccfd264c97b4a314d4433c98b5ce6d8252ec10ec71a105c56e8b
sha512	387f134da9430282e5c3c343e0e558a997e4e53b876e2b9b85579c87f500a03e2b67c8e80f9cc16c2ce47e3052e0dbc3d2c39f973389b3e4d54a81e32d2df155
ripemd-160	92f7bf48dec66aa77e7166f6d7926a6498768e8b

21031685 as geometric shapes

Circle

Radius = n

Diameter	42063370
Circumference	132145974.17723
Area	1.3896262514568E+15

Sphere

Radius = n

Volume	3.8968242117827E+22
Surface area	5.5585050058272E+15
Circumference	132145974.17723

Square

Length = n

Perimeter	84126740
Area	442331773939225
Diagonal	29743294.166559

Cube

Length = n

Surface area	2653990643635350
Volume	9.302982534981E+21
Space diagonal	36427946.988784

Equilateral Triangle

Length = n

Perimeter	63095055
Area	1.915352765662E+14
Altitude	18213973.494392

Triangular Pyramid

Length = n

Surface area	1.915352765662E+14
Volume	1.0963670059575E+21
Height	9914431.3888529