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

20121789 (number)

20121789 is an odd 8-digits composite number following 20121788 and preceding 20121790. In scientific notation, it is written as 2.0121789 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13414524 positive integers (up to 20121789) that are relatively prime to 20121789.

Interesting facts

20121789 has 4 divisors, whose sum is 26829056
The reverse of 20121789 is 98712102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.0121789 × 10^7
Engineering notation	2.0121789 × 10^6

Prime Factorization of 20121789

Prime Factorization 3 × 6707263

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121789	Product of the distinct prime numbers

The prime factorization of 20121789 is 3 × 6707263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 72, 1, 660, 827, 2687, 4690, 81281, 275, 520074, 180363, 3434203, 4717045, 44595122, 34987793, 15279364, 870892728, 8264328429, 3759965018

Basic calculations (n = 20121789)

Multiplication

n×y

n×2	40243578
n×3	60365367
n×4	80487156
n×5	100608945

Division

n÷y

n÷2	10060894.5
n÷3	6707263
n÷3	5030447.25
n÷5	4024357.8

Exponentiation

n^y

n²	404886392560521
n³	8.147038560074E+21
n⁴	1.6393299088067E+29
n⁵	3.2986250526398E+36

Nth Root

^y√n

²√n	4485.731712887
³√n	271.99162405724
⁴√n	66.97560535663
⁵√n	28.889053829589

Divisors of 20121789

1, 3, 6707263, 20121789

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	-20121788	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 20121789 can be divided by 4 positive divisors. The sum of these divisors (counting 20121789) is 1, the average is 0.25.

Base conversion 20121789

Base	System	Value
2	Binary	1001100110000100010111101
3	Ternary	1101212021220110
4	Quaternary	1030300202331
5	Quinary	20122344124
6	Senary	1555140233
8	Octal	114604275
10	Decimal	20121789
12	Duodecimal	68a4679
16	Hexadecimal	13308bd
20	Vigesimal	65f499
36	Base36	bza2l

Cryptographic Hash Functions

md5	623d54ca0deb44abb9e1e03b472def1c
sha1	1484e34136c012fe7a348c5946d2b33acdeb2644
sha256	ee4d35e7a4dc2f1ab85fbb1369bc76674835f8cd3ff40ea7fbb139dfbc220e1b
sha512	a632a8f95f7f2889e3bded24f5cbabbae8bf3a62398beae194138a42b29ccb02be2b060a1c1d50653d5846415510d8df9b5392cf6c12a0c99dd1237e8ac706cf
ripemd-160	418529dcd7f540d8652102910d3f062bf8d9682e

20121789 as geometric shapes

Circle

Radius = n

Diameter	40243578
Circumference	126428928.99897
Area	1.2719881164066E+15

Sphere

Radius = n

Volume	3.4126235318455E+22
Surface area	5.0879524656264E+15
Circumference	126428928.99897

Square

Length = n

Perimeter	80487156
Area	404886392560521
Diagonal	28456506.90301

Cube

Length = n

Surface area	2429318355363126
Volume	8.147038560074E+21
Space diagonal	34851960.887181

Equilateral Triangle

Length = n

Perimeter	60365367
Area	1.7532095080202E+14
Altitude	17425980.44359

Triangular Pyramid

Length = n

Surface area	1.7532095080202E+14
Volume	9.6013770206943E+20
Height	9485502.3010033