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

20121971 (number)

20121971 is an odd 8-digits composite number following 20121970 and preceding 20121972. In scientific notation, it is written as 2.0121971 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19914432 positive integers (up to 20121971) that are relatively prime to 20121971.

Interesting facts

20121971 has 4 divisors, whose sum is 20329512
The reverse of 20121971 is 17912102
Previous prime number is 97

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 nine hundred seventy-one

Notation

Scientific notation	2.0121971 × 10^7
Engineering notation	2.0121971 × 10^6

Prime Factorization of 20121971

Prime Factorization 97 × 207443

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121971	Product of the distinct prime numbers

The prime factorization of 20121971 is 97 × 207443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 75, 77, 447, 477, 1143, 6419, 88080, 87168, 480694, 413725, 2164862, 9424109, 46976570, 81902073, 565079763, 931091493, 7721856533, 6783468437

Basic calculations (n = 20121971)

Multiplication

n×y

n×2	40243942
n×3	60365913
n×4	80487884
n×5	100609855

Division

n÷y

n÷2	10060985.5
n÷3	6707323.6666667
n÷3	5030492.75
n÷5	4024394.2

Exponentiation

n^y

n²	404893716924841
n³	8.1472596300439E+21
n⁴	1.6393892200521E+29
n⁵	3.2987742343602E+36

Nth Root

^y√n

²√n	4485.7519993865
³√n	271.99244410239
⁴√n	66.975756803387
⁵√n	28.889106089245

Divisors of 20121971

1, 97, 207443, 20121971

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	-20121970	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 20121971 can be divided by 4 positive divisors. The sum of these divisors (counting 20121971) is 1, the average is 0.25.

Base conversion 20121971

Base	System	Value
2	Binary	1001100110000100101110011
3	Ternary	1101212022011012
4	Quaternary	1030300211303
5	Quinary	20122400341
6	Senary	1555141135
8	Octal	114604563
10	Decimal	20121971
12	Duodecimal	68a47ab
16	Hexadecimal	1330973
20	Vigesimal	65f4ib
36	Base36	bza7n

Cryptographic Hash Functions

md5	29de86484b800efdbec351afead2e1e2
sha1	9929de8d60f1e4518bf55b443780e293db1bf207
sha256	ebe1c4bdabefaa8a83645ae9137a5b2300953f490ee7fd011e7e1405505995d8
sha512	09451a00e6521344b8a92fe5720d9e2027d843ee38f7aa331840e75e5b9037b4f2043d4e096f9bbb5d2c36dbcba886f5017c227f457c114c57b961a62f081b23
ripemd-160	70ee951999541b958af0b3c85d022c2ddb49068a

20121971 as geometric shapes

Circle

Radius = n

Diameter	40243942
Circumference	126430072.53869
Area	1.2720111265757E+15

Sphere

Radius = n

Volume	3.4127161334179E+22
Surface area	5.088044506303E+15
Circumference	126430072.53869

Square

Length = n

Perimeter	80487884
Area	404893716924841
Diagonal	28456764.289878

Cube

Length = n

Surface area	2429362301549046
Volume	8.1472596300439E+21
Space diagonal	34852276.120428

Equilateral Triangle

Length = n

Perimeter	60365913
Area	1.7532412234481E+14
Altitude	17426138.060214

Triangular Pyramid

Length = n

Surface area	1.7532412234481E+14
Volume	9.6016375541524E+20
Height	9485588.096626