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

20121631 (number)

20121631 is an odd 8-digits composite number following 20121630 and preceding 20121632. In scientific notation, it is written as 2.0121631 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20089600 positive integers (up to 20121631) that are relatively prime to 20121631.

Interesting facts

20121631 has 4 divisors, whose sum is 20153664
The reverse of 20121631 is 13612102
Previous prime number is 641

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

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

Notation

Scientific notation	2.0121631 × 10^7
Engineering notation	2.0121631 × 10^6

Prime Factorization of 20121631

Prime Factorization 641 × 31391

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121631	Product of the distinct prime numbers

The prime factorization of 20121631 is 641 × 31391. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 40, 1, 405, 389, 7416, 6661, 92975, 51407, 440743, 274777, 2505859, 7860628, 48669993, 94537202, 919944319, 724789303, 4426529654, 9211816720

Basic calculations (n = 20121631)

Multiplication

n×y

n×2	40243262
n×3	60364893
n×4	80486524
n×5	100608155

Division

n÷y

n÷2	10060815.5
n÷3	6707210.3333333
n÷3	5030407.75
n÷5	4024326.2

Exponentiation

n^y

n²	404880034100161
n³	8.1468466454309E+21
n⁴	1.6392784201295E+29
n⁵	3.2984955476108E+36

Nth Root

^y√n

²√n	4485.7141014559
³√n	271.99091214591
⁴√n	66.97547388004
⁵√n	28.889008461011

Divisors of 20121631

1, 641, 31391, 20121631

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	-20121630	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 20121631 can be divided by 4 positive divisors. The sum of these divisors (counting 20121631) is 1, the average is 0.25.

Base conversion 20121631

Base	System	Value
2	Binary	1001100110000100000011111
3	Ternary	1101212021200121
4	Quaternary	1030300200133
5	Quinary	20122343011
6	Senary	1555135411
8	Octal	114604037
10	Decimal	20121631
12	Duodecimal	68a4567
16	Hexadecimal	133081f
20	Vigesimal	65f41b
36	Base36	bz9y7

Cryptographic Hash Functions

md5	2018d84c6052d6ffb74cfd468d1557f2
sha1	cfe75db490efc754f73b937eabee7880b2815a1b
sha256	7893a4e5c81b1d0254e3cbc6b939de407e138c966083ecc4fb9f33a7f1be025a
sha512	185258e493fa9ff6c2874c56cf761be4351b2b79c9be28fded9e2aa80822dae4a5075042b51a270ed9eed3b3118e675dfd3e7312e8610422ac2bdd4d69f1e6e5
ripemd-160	988ad162e34b71fc0ca374269cd718d724e3e0ad

20121631 as geometric shapes

Circle

Radius = n

Diameter	40243262
Circumference	126427936.25569
Area	1.2719681407143E+15

Sphere

Radius = n

Volume	3.4125431428278E+22
Surface area	5.087872562857E+15
Circumference	126427936.25569

Square

Length = n

Perimeter	80486524
Area	404880034100161
Diagonal	28456283.457267

Cube

Length = n

Surface area	2429280204600966
Volume	8.1468466454309E+21
Space diagonal	34851687.223153

Equilateral Triangle

Length = n

Perimeter	60364893
Area	1.7531819750792E+14
Altitude	17425843.611576

Triangular Pyramid

Length = n

Surface area	1.7531819750792E+14
Volume	9.6011508471184E+20
Height	9485427.819089