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

20681731 (number)

20681731 is an odd 8-digits composite number following 20681730 and preceding 20681732. In scientific notation, it is written as 2.0681731 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 17481024 positive integers (up to 20681731) that are relatively prime to 20681731.

Interesting facts

20681731 has 12 divisors, whose sum is 23968912
The reverse of 20681731 is 13718602
Previous prime number is 89

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0681731 × 10^7
Engineering notation	2.0681731 × 10^6

Prime Factorization of 20681731

Prime Factorization 7 × 89 × 89 × 373

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	232379	Product of the distinct prime numbers

The prime factorization of 20681731 is 7 × 89 × 89 × 373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 17, 25, 967, 631, 1656, 6849, 57596, 58081, 822330, 897503, 2416267, 4194502, 67419037, 44826603, 732543396, 272842053, 779437064, 380971088

Basic calculations (n = 20681731)

Multiplication

n×y

n×2	41363462
n×3	62045193
n×4	82726924
n×5	103408655

Division

n÷y

n÷2	10340865.5
n÷3	6893910.3333333
n÷3	5170432.75
n÷5	4136346.2

Exponentiation

n^y

n²	427733997156361
n³	8.8462794687426E+21
n⁴	1.8295637232336E+29
n⁵	3.7838544771275E+36

Nth Root

^y√n

²√n	4547.7171196107
³√n	274.4915386967
⁴√n	67.436763857785
⁵√n	29.04807632432

Divisors of 20681731

1, 7, 89, 373, 623, 2611, 7921, 33197, 55447, 232379, 2954533, 20681731

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20681730	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681731 can be divided by 12 positive divisors. The sum of these divisors (counting 20681731) is 1, the average is 0.083333333333333.

Base conversion 20681731

Base	System	Value
2	Binary	1001110111001010000000011
3	Ternary	1102220202000001
4	Quaternary	1032321100003
5	Quinary	20243303411
6	Senary	2015140431
8	Octal	116712003
10	Decimal	20681731
12	Duodecimal	6b14717
16	Hexadecimal	13b9403
20	Vigesimal	69546b
36	Base36	cba4j

Cryptographic Hash Functions

md5	de2cae05d5fde4534c13b9a8bd8538c8
sha1	b016846f82ef11e42732e1b41f4a0cec254155a5
sha256	cd5f50cea65977fb26d401a994f440912b9b997b82af51aaf09965fee6859461
sha512	28967c7c94a3b0d779bec0157f51ec1722e80d8ed7fdcc06bac4976fbc7410d2cd96606f7a53db5b57af0a9201ae744bf91e493462a415f0f9ba3bd32161436e
ripemd-160	65ad60a326a70221dc515ee2f635a6ab91621066

20681731 as geometric shapes

Circle

Radius = n

Diameter	41363462
Circumference	129947148.34624
Area	1.343765983157E+15

Sphere

Radius = n

Volume	3.7055208787472E+22
Surface area	5.3750639326281E+15
Circumference	129947148.34624

Square

Length = n

Perimeter	82726924
Area	427733997156361
Diagonal	29248384.473552

Cube

Length = n

Surface area	2566403982938166
Volume	8.8462794687426E+21
Space diagonal	35821808.880472

Equilateral Triangle

Length = n

Perimeter	62045193
Area	1.8521425379983E+14
Altitude	17910904.440236

Triangular Pyramid

Length = n

Surface area	1.8521425379983E+14
Volume	1.0425440334365E+21
Height	9749461.491184