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

20121997 (number)

20121997 is an odd 8-digits composite number following 20121996 and preceding 20121998. In scientific notation, it is written as 2.0121997 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17137176 positive integers (up to 20121997) that are relatively prime to 20121997.

Interesting facts

20121997 has 8 divisors, whose sum is 20664000
The reverse of 20121997 is 79912102
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred twenty-one thousand nine hundred ninety-seven

Notation

Scientific notation	2.0121997 × 10^7
Engineering notation	2.0121997 × 10^6

Prime Factorization of 20121997

Prime Factorization 49 × 167 × 2459

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121997	Product of the distinct prime numbers

The prime factorization of 20121997 is 49 × 167 × 2459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 95, 85, 697, 431, 2953, 577, 83612, 67985, 602862, 31154, 6661403, 5284501, 63494685, 38826958, 836803583, 286846647, 7889596944, 8947197233

Basic calculations (n = 20121997)

Multiplication

n×y

n×2	40243994
n×3	60365991
n×4	80487988
n×5	100609985

Division

n÷y

n÷2	10060998.5
n÷3	6707332.3333333
n÷3	5030499.25
n÷5	4024399.4

Exponentiation

n^y

n²	404894763268009
n³	8.1472912117946E+21
n⁴	1.6393976932186E+29
n⁵	3.2987955464751E+36

Nth Root

^y√n

²√n	4485.7548974504
³√n	271.99256125129
⁴√n	66.975778438555
⁵√n	28.889113554879

Divisors of 20121997

1, 49, 167, 2459, 8183, 120491, 410653, 20121997

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	-20121996	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 20121997 can be divided by 8 positive divisors. The sum of these divisors (counting 20121997) is 1, the average is 0.125.

Base conversion 20121997

Base	System	Value
2	Binary	1001100110000100110001101
3	Ternary	1101212022012011
4	Quaternary	1030300212031
5	Quinary	20122400442
6	Senary	1555141221
8	Octal	114604615
10	Decimal	20121997
12	Duodecimal	68a4811
16	Hexadecimal	133098d
20	Vigesimal	65f4jh
36	Base36	bza8d

Cryptographic Hash Functions

md5	fd15244472166709fc2c1bcbe6e6a2e1
sha1	0ece22915a5cffb90f049412f9faa5b3874022b2
sha256	e0e2ca3af1bdc9566a4b80fc3250b633b2c1701da8613d3ce7c54311ceb62b30
sha512	fb65a83c8da69bbb90887dd898642be6731b4a3c1e0c538a3727bec75422cb224f6ac84cc97ac7d71516f389363d293b473c787ea6f0882e98840b94a6e1d59b
ripemd-160	1c1be3a25560b720735c172e3ff409bdaba86d2b

20121997 as geometric shapes

Circle

Radius = n

Diameter	40243994
Circumference	126430235.90151
Area	1.2720144137598E+15

Sphere

Radius = n

Volume	3.4127293623507E+22
Surface area	5.088057655039E+15
Circumference	126430235.90151

Square

Length = n

Perimeter	80487988
Area	404894763268009
Diagonal	28456801.059431

Cube

Length = n

Surface area	2429368579608054
Volume	8.1472912117946E+21
Space diagonal	34852321.153749

Equilateral Triangle

Length = n

Perimeter	60365991
Area	1.7532457542469E+14
Altitude	17426160.576874

Triangular Pyramid

Length = n

Surface area	1.7532457542469E+14
Volume	9.6016747736025E+20
Height	9485600.3531436