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

20121643 (number)

20121643 is an odd 8-digits composite number following 20121642 and preceding 20121644. In scientific notation, it is written as 2.0121643 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19791720 positive integers (up to 20121643) that are relatively prime to 20121643.

Interesting facts

20121643 has 4 divisors, whose sum is 20451568
The reverse of 20121643 is 34612102
Previous prime number is 61

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 forty-three

Notation

Scientific notation	2.0121643 × 10^7
Engineering notation	2.0121643 × 10^6

Prime Factorization of 20121643

Prime Factorization 61 × 329863

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121643	Product of the distinct prime numbers

The prime factorization of 20121643 is 61 × 329863. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 72, 52, 826, 653, 8758, 1119, 75327, 75274, 29547, 510542, 5381439, 1259567, 39412652, 39221808, 727961789, 277586518, 2749804958, 9745882541

Basic calculations (n = 20121643)

Multiplication

n×y

n×2	40243286
n×3	60364929
n×4	80486572
n×5	100608215

Division

n÷y

n÷2	10060821.5
n÷3	6707214.3333333
n÷3	5030410.75
n÷5	4024328.6

Exponentiation

n^y

n²	404880517019449
n³	8.1468612211208E+21
n⁴	1.6392823306194E+29
n⁵	3.2985053832931E+36

Nth Root

^y√n

²√n	4485.7154390353
³√n	271.99096621525
⁴√n	66.975483865631
⁵√n	28.889011906735

Divisors of 20121643

1, 61, 329863, 20121643

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	-20121642	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 20121643 can be divided by 4 positive divisors. The sum of these divisors (counting 20121643) is 1, the average is 0.25.

Base conversion 20121643

Base	System	Value
2	Binary	1001100110000100000101011
3	Ternary	1101212021201001
4	Quaternary	1030300200223
5	Quinary	20122343033
6	Senary	1555135431
8	Octal	114604053
10	Decimal	20121643
12	Duodecimal	68a4577
16	Hexadecimal	133082b
20	Vigesimal	65f423
36	Base36	bz9yj

Cryptographic Hash Functions

md5	fab2a6c4e38e7cb5dc3e2b67a778b808
sha1	1dfa3229b3c3209aa67438a3633b655f5ff25b0d
sha256	23aa51f39af4025f5ef312b5d56bd97de2722d741efbe41f761d1ce7cbce9064
sha512	c12f12138c4af47c47c0676a0d34aed3140024b6e7f71440e3954a0d5480025029b6ac197a808b15991e676dec4f261028c6c591f4b121f9f0e82571803fcb03
ripemd-160	f2c933f4785b45e7f9f06ec98758ee7f6d811f91

20121643 as geometric shapes

Circle

Radius = n

Diameter	40243286
Circumference	126428011.65391
Area	1.2719696578499E+15

Sphere

Radius = n

Volume	3.4125492482785E+22
Surface area	5.0878786313998E+15
Circumference	126428011.65391

Square

Length = n

Perimeter	80486572
Area	404880517019449
Diagonal	28456300.42783

Cube

Length = n

Surface area	2429283102116694
Volume	8.1468612211208E+21
Space diagonal	34851708.007763

Equilateral Triangle

Length = n

Perimeter	60364929
Area	1.7531840661811E+14
Altitude	17425854.003881

Triangular Pyramid

Length = n

Surface area	1.7531840661811E+14
Volume	9.6011680247337E+20
Height	9485433.4759432