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

20688739 (number)

20688739 is an odd 8-digits composite number following 20688738 and preceding 20688740. In scientific notation, it is written as 2.0688739 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 19404000 positive integers (up to 20688739) that are relatively prime to 20688739.

Interesting facts

20688739 has 8 divisors, whose sum is 21995280
The reverse of 20688739 is 93788602
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty million six hundred eighty-eight thousand seven hundred thirty-nine

Notation

Scientific notation	2.0688739 × 10^7
Engineering notation	2.0688739 × 10^6

Prime Factorization of 20688739

Prime Factorization 19 × 101 × 10781

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688739	Product of the distinct prime numbers

The prime factorization of 20688739 is 19 × 101 × 10781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 14, 80, 503, 748, 8505, 4700, 90076, 38463, 93227, 471861, 3167348, 3329275, 3354075, 6570478, 101997687, 414114946, 3551443226, 5597023530

Basic calculations (n = 20688739)

Multiplication

n×y

n×2	41377478
n×3	62066217
n×4	82754956
n×5	103443695

Division

n÷y

n÷2	10344369.5
n÷3	6896246.3333333
n÷3	5172184.75
n÷5	4137747.8

Exponentiation

n^y

n²	428023921410121
n³	8.8552751958105E+21
n⁴	1.832044772993E+29
n⁵	3.7902696144766E+36

Nth Root

^y√n

²√n	4548.4875508239
³√n	274.52253899465
⁴√n	67.442475865169
⁵√n	29.050044644407

Divisors of 20688739

1, 19, 101, 1919, 10781, 204839, 1088881, 20688739

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	-20688738	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 20688739 can be divided by 8 positive divisors. The sum of these divisors (counting 20688739) is 1, the average is 0.125.

Base conversion 20688739

Base	System	Value
2	Binary	1001110111010111101100011
3	Ternary	1102221002121121
4	Quaternary	1032322331203
5	Quinary	20244014424
6	Senary	2015233111
8	Octal	116727543
10	Decimal	20688739
12	Duodecimal	6b18797
16	Hexadecimal	13baf63
20	Vigesimal	6961gj
36	Base36	cbfj7

Cryptographic Hash Functions

md5	6d04fb363977547d4efec9061a836ac0
sha1	9c55082013169fb134e12e2a8200cfd1cee6afec
sha256	87b0a09b3197f0db91bb91be6a2e3d78b262224c1b90d40b49480185e2d73e61
sha512	75b4d39c2f767fe4962d193b1d604cdc7778962591735ea621f5ca054c8b9262585fbd6737d66bb6be56563c215baef7105757f79809a44702204f0bc55f0088
ripemd-160	d918bff9a84debadc7ae555508f1dfea9a264985

20688739 as geometric shapes

Circle

Radius = n

Diameter	41377478
Circumference	129991180.90887
Area	1.3446768070627E+15

Sphere

Radius = n

Volume	3.7092890000899E+22
Surface area	5.3787072282509E+15
Circumference	129991180.90887

Square

Length = n

Perimeter	82754956
Area	428023921410121
Diagonal	29258295.282197

Cube

Length = n

Surface area	2568143528460726
Volume	8.8552751958105E+21
Space diagonal	35833947.092532

Equilateral Triangle

Length = n

Perimeter	62066217
Area	1.853397946843E+14
Altitude	17916973.546266

Triangular Pyramid

Length = n

Surface area	1.853397946843E+14
Volume	1.0436041900384E+21
Height	9752765.0940657