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

20121665 (number)

20121665 is an odd 8-digits composite number following 20121664 and preceding 20121666. In scientific notation, it is written as 2.0121665 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 14585472 positive integers (up to 20121665) that are relatively prime to 20121665.

Interesting facts

20121665 has 8 divisors, whose sum is 24203880
The reverse of 20121665 is 56612102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million one hundred twenty-one thousand six hundred sixty-five

Notation

Scientific notation	2.0121665 × 10^7
Engineering notation	2.0121665 × 10^6

Prime Factorization of 20121665

Prime Factorization 437 × 5 × 9209

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121665	Product of the distinct prime numbers

The prime factorization of 20121665 is 437 × 5 × 9209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 13, 22, 54, 179, 3061, 2436, 62884, 47297, 326883, 866567, 8596823, 2847590, 9870559, 87595474, 36777269, 509003224, 7714888667, 8432301593

Basic calculations (n = 20121665)

Multiplication

n×y

n×2	40243330
n×3	60364995
n×4	80486660
n×5	100608325

Division

n÷y

n÷2	10060832.5
n÷3	6707221.6666667
n÷3	5030416.25
n÷5	4024333

Exponentiation

n^y

n²	404881402372225
n³	8.1468879432641E+21
n⁴	1.639289499869E+29
n⁵	3.2985234154381E+36

Nth Root

^y√n

²√n	4485.7178912633
³√n	271.99106534233
⁴√n	66.975502172536
⁵√n	28.889018223893

Divisors of 20121665

1, 5, 437, 2185, 9209, 46045, 4024333, 20121665

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	-20121664	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 20121665 can be divided by 8 positive divisors. The sum of these divisors (counting 20121665) is 1, the average is 0.125.

Base conversion 20121665

Base	System	Value
2	Binary	1001100110000100001000001
3	Ternary	1101212021201212
4	Quaternary	1030300201001
5	Quinary	20122343130
6	Senary	1555135505
8	Octal	114604101
10	Decimal	20121665
12	Duodecimal	68a4595
16	Hexadecimal	1330841
20	Vigesimal	65f435
36	Base36	bz9z5

Cryptographic Hash Functions

md5	50bff0154b9985d91f02b596e95e39fe
sha1	809cdef3bd0537e3764ec6a440b81562f3289af5
sha256	83135e543028a5aba60b6e5c3d4e0777ccb40e23292971d4666b891ac11a20f8
sha512	ae0597fbc624c8a27091c1bc2eddfe9ecd3e1e1689dfd184a2a1093a1e17f9374743718d3a5820378e1a9adb6f923f833673f1515df21ca8b3986ebaa102d085
ripemd-160	b355402bcdbdcbabee5491ec3443b733dc806084

20121665 as geometric shapes

Circle

Radius = n

Diameter	40243330
Circumference	126428149.88399
Area	1.2719724392677E+15

Sphere

Radius = n

Volume	3.4125604416237E+22
Surface area	5.0878897570709E+15
Circumference	126428149.88399

Square

Length = n

Perimeter	80486660
Area	404881402372225
Diagonal	28456331.540528

Cube

Length = n

Surface area	2429288414233350
Volume	8.1468879432641E+21
Space diagonal	34851746.11288

Equilateral Triangle

Length = n

Perimeter	60364995
Area	1.7531878998711E+14
Altitude	17425873.05644

Triangular Pyramid

Length = n

Surface area	1.7531878998711E+14
Volume	9.6011995170816E+20
Height	9485443.8468427