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

20717991 (number)

20717991 is an odd 8-digits composite number following 20717990 and preceding 20717992. In scientific notation, it is written as 2.0717991 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 11838744 positive integers (up to 20717991) that are relatively prime to 20717991.

Interesting facts

20717991 has 8 divisors, whose sum is 28062720
The reverse of 20717991 is 19971702
Previous prime number is 63

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million seven hundred seventeen thousand nine hundred ninety-one

Notation

Scientific notation	2.0717991 × 10^7
Engineering notation	2.0717991 × 10^6

Prime Factorization of 20717991

Prime Factorization 3 × 63 × 109619

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20717991	Product of the distinct prime numbers

The prime factorization of 20717991 is 3 × 63 × 109619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 54, 8, 670, 302, 6101, 1307, 56969, 12080, 911018, 935081, 9009592, 585729, 85512624, 79272165, 300478580, 69618706, 7314694390, 7367334008

Basic calculations (n = 20717991)

Multiplication

n×y

n×2	41435982
n×3	62153973
n×4	82871964
n×5	103589955

Division

n÷y

n÷2	10358995.5
n÷3	6905997
n÷3	5179497.75
n÷5	4143598.2

Exponentiation

n^y

n²	429235151076081
n³	8.8928899968779E+21
n⁴	1.8424281491931E+29
n⁵	3.8171409813128E+36

Nth Root

^y√n

²√n	4551.7019893662
³√n	274.65186138528
⁴√n	67.466302621132
⁵√n	29.058254827861

Divisors of 20717991

1, 3, 63, 189, 109619, 328857, 6905997, 20717991

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	-20717990	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 20717991 can be divided by 8 positive divisors. The sum of these divisors (counting 20717991) is 1, the average is 0.125.

Base conversion 20717991

Base	System	Value
2	Binary	1001111000010000110100111
3	Ternary	1102222120202000
4	Quaternary	1033002012213
5	Quinary	20300433431
6	Senary	2020020343
8	Octal	117020647
10	Decimal	20717991
12	Duodecimal	6b316b3
16	Hexadecimal	13c21a7
20	Vigesimal	699ejb
36	Base36	cc23r

Cryptographic Hash Functions

md5	af9fc77e7e2f2c13cab8585bdec4959b
sha1	6cae3977bc5609a1bc785c4416e7659d792dc370
sha256	e9909755d27290cb1f8fce7ba6206b5baf465696c8732860850bc991c94ea16e
sha512	e0f5b751984180c8d1a514edef20ffd36188fd32ccf44c4cd141d01773defa60033a59239a3be6c68171cb5d6a6328961fcfa8de1772d9355c7a1c56e75cf3e5
ripemd-160	2450e6f4a5870b9230a5e76e66c55c7c4cb5becf

20717991 as geometric shapes

Circle

Radius = n

Diameter	41435982
Circumference	130174976.64548
Area	1.3484819972831E+15

Sphere

Radius = n

Volume	3.7250450511165E+22
Surface area	5.3939279891325E+15
Circumference	130174976.64548

Square

Length = n

Perimeter	82871964
Area	429235151076081
Diagonal	29299663.857324

Cube

Length = n

Surface area	2575410906456486
Volume	8.8928899968779E+21
Space diagonal	35884613.042755

Equilateral Triangle

Length = n

Perimeter	62153973
Area	1.8586427251457E+14
Altitude	17942306.521377

Triangular Pyramid

Length = n

Surface area	1.8586427251457E+14
Volume	1.0480371368564E+21
Height	9766554.6191079