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

20688731 (number)

20688731 is an odd 8-digits composite number following 20688730 and preceding 20688732. In scientific notation, it is written as 2.0688731 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 17732904 positive integers (up to 20688731) that are relatively prime to 20688731.

Interesting facts

20688731 has 8 divisors, whose sum is 24127200
The reverse of 20688731 is 13788602
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0688731 × 10^7
Engineering notation	2.0688731 × 10^6

Prime Factorization of 20688731

Prime Factorization 7 × 7 × 7 × 60317

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	422219	Product of the distinct prime numbers

The prime factorization of 20688731 is 7 × 7 × 7 × 60317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 6, 73, 95, 150, 2090, 3587, 78262, 17646, 736844, 150373, 2675007, 6979345, 26691043, 77361549, 975275646, 284847877, 2200073997, 376398263

Basic calculations (n = 20688731)

Multiplication

n×y

n×2	41377462
n×3	62066193
n×4	82754924
n×5	103443655

Division

n÷y

n÷2	10344365.5
n÷3	6896243.6666667
n÷3	5172182.75
n÷5	4137746.2

Exponentiation

n^y

n²	428023590390361
n³	8.8552649232404E+21
n⁴	1.8320419393066E+29
n⁵	3.7902622863032E+36

Nth Root

^y√n

²√n	4548.4866714106
³√n	274.52250361018
⁴√n	67.44246934544
⁵√n	29.05004239777

Divisors of 20688731

1, 7, 49, 343, 60317, 422219, 2955533, 20688731

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	-20688730	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 20688731 can be divided by 8 positive divisors. The sum of these divisors (counting 20688731) is 1, the average is 0.125.

Base conversion 20688731

Base	System	Value
2	Binary	1001110111010111101011011
3	Ternary	1102221002121022
4	Quaternary	1032322331123
5	Quinary	20244014411
6	Senary	2015233055
8	Octal	116727533
10	Decimal	20688731
12	Duodecimal	6b1878b
16	Hexadecimal	13baf5b
20	Vigesimal	6961gb
36	Base36	cbfiz

Cryptographic Hash Functions

md5	bcd41fd79de76d234458748c31503472
sha1	575a62e6d999da3f5b06b015deed0e545b93430d
sha256	fe6779320bbccfdc5197b3d304722b9afd837bda02ba5d4d21a8b9e924019582
sha512	ab0994fa287d77772bd75a9260cbb0321d5ed4bb12a80e421209e5ce8be59024c43e78c3d3f834bd592d98dd552f0656715d54b96bf9b50b78410ea7b1a31103
ripemd-160	4b9815e1049ed3d3d6de4a3325d7cca14fe85af2

20688731 as geometric shapes

Circle

Radius = n

Diameter	41377462
Circumference	129991130.64339
Area	1.3446757671335E+15

Sphere

Radius = n

Volume	3.7092846971258E+22
Surface area	5.3787030685339E+15
Circumference	129991130.64339

Square

Length = n

Perimeter	82754924
Area	428023590390361
Diagonal	29258283.968489

Cube

Length = n

Surface area	2568141542342166
Volume	8.8552649232404E+21
Space diagonal	35833933.236125

Equilateral Triangle

Length = n

Perimeter	62066193
Area	1.8533965134854E+14
Altitude	17916966.618063

Triangular Pyramid

Length = n

Surface area	1.8533965134854E+14
Volume	1.0436029794044E+21
Height	9752761.3228296