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

20121661 (number)

20121661 is an odd 8-digits composite number following 20121660 and preceding 20121662. In scientific notation, it is written as 2.0121661 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 17247132 positive integers (up to 20121661) that are relatively prime to 20121661.

Interesting facts

20121661 has 4 divisors, whose sum is 22996192
The reverse of 20121661 is 16612102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.0121661 × 10^7
Engineering notation	2.0121661 × 10^6

Prime Factorization of 20121661

Prime Factorization 7 × 2874523

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121661	Product of the distinct prime numbers

The prime factorization of 20121661 is 7 × 2874523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 76, 73, 247, 377, 3713, 8812, 23077, 66803, 778169, 291030, 8902164, 3448594, 52127268, 38320682, 91893843, 815344391, 7858349120, 6924840036

Basic calculations (n = 20121661)

Multiplication

n×y

n×2	40243322
n×3	60364983
n×4	80486644
n×5	100608305

Division

n÷y

n÷2	10060830.5
n÷3	6707220.3333333
n÷3	5030415.25
n÷5	4024332.2

Exponentiation

n^y

n²	404881241398921
n³	8.1468830846883E+21
n⁴	1.6392881963673E+29
n⁵	3.2985201368605E+36

Nth Root

^y√n

²√n	4485.7174454038
³√n	271.99104731923
⁴√n	66.975498844009
⁵√n	28.88901707532

Divisors of 20121661

1, 7, 2874523, 20121661

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121660	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121661 can be divided by 4 positive divisors. The sum of these divisors (counting 20121661) is 1, the average is 0.25.

Base conversion 20121661

Base	System	Value
2	Binary	1001100110000100000111101
3	Ternary	1101212021201201
4	Quaternary	1030300200331
5	Quinary	20122343121
6	Senary	1555135501
8	Octal	114604075
10	Decimal	20121661
12	Duodecimal	68a4591
16	Hexadecimal	133083d
20	Vigesimal	65f431
36	Base36	bz9z1

Cryptographic Hash Functions

md5	6de1ea02a66884c1aa26334f7fbf6dcd
sha1	0c3c6eb5f453ce3e26d70bf44a47b932c70cbd4a
sha256	1b1b63a7c620f8a2afd63d8a103db64e3aef586ed9740a38e74ca85192284d83
sha512	71226ea182f3221d1b86373da03547a5ebeb25e56f058e1bab76d3ba778beffe18d6154009ab92dff3da45355165ee155411f1e8d5c02eadcb096ad81504fee8
ripemd-160	7daeda0ecc09441f9d2918e414baebe05b7ac93a

20121661 as geometric shapes

Circle

Radius = n

Diameter	40243322
Circumference	126428124.75125
Area	1.2719719335552E+15

Sphere

Radius = n

Volume	3.4125584064682E+22
Surface area	5.0878877342207E+15
Circumference	126428124.75125

Square

Length = n

Perimeter	80486644
Area	404881241398921
Diagonal	28456325.883674

Cube

Length = n

Surface area	2429287448393526
Volume	8.1468830846883E+21
Space diagonal	34851739.184677

Equilateral Triangle

Length = n

Perimeter	60364983
Area	1.7531872028362E+14
Altitude	17425869.592339

Triangular Pyramid

Length = n

Surface area	1.7531872028362E+14
Volume	9.6011937911951E+20
Height	9485441.9612246