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

20121779 (number)

20121779 is an odd 8-digits composite number following 20121778 and preceding 20121780. In scientific notation, it is written as 2.0121779 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18878400 positive integers (up to 20121779) that are relatively prime to 20121779.

Interesting facts

20121779 has 8 divisors, whose sum is 20373360
The reverse of 20121779 is 97712102
Previous prime number is 401

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0121779 × 10^7
Engineering notation	2.0121779 × 10^6

Prime Factorization of 20121779

Prime Factorization 361 × 401 × 139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121779	Product of the distinct prime numbers

The prime factorization of 20121779 is 361 × 401 × 139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 88, 89, 877, 545, 1480, 9539, 99007, 66662, 661406, 22510, 4474267, 9501051, 77265263, 5237674, 812407653, 803602257, 300659823, 9034758311

Basic calculations (n = 20121779)

Multiplication

n×y

n×2	40243558
n×3	60365337
n×4	80487116
n×5	100608895

Division

n÷y

n÷2	10060889.5
n÷3	6707259.6666667
n÷3	5030444.75
n÷5	4024355.8

Exponentiation

n^y

n²	404885990124841
n³	8.1470264134882E+21
n⁴	1.6393266499937E+29
n⁵	3.2986168559984E+36

Nth Root

^y√n

²√n	4485.7305982415
³√n	271.99157899967
⁴√n	66.975597035349
⁵√n	28.889050958169

Divisors of 20121779

1, 139, 361, 401, 50179, 55739, 144761, 20121779

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	-20121778	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 20121779 can be divided by 8 positive divisors. The sum of these divisors (counting 20121779) is 1, the average is 0.125.

Base conversion 20121779

Base	System	Value
2	Binary	1001100110000100010110011
3	Ternary	1101212021220002
4	Quaternary	1030300202303
5	Quinary	20122344104
6	Senary	1555140215
8	Octal	114604263
10	Decimal	20121779
12	Duodecimal	68a466b
16	Hexadecimal	13308b3
20	Vigesimal	65f48j
36	Base36	bza2b

Cryptographic Hash Functions

md5	1d687086e6ff052ae3e74db6b3ef5182
sha1	4471308c35b56aa761ed60aa0b4bf59acaf4f654
sha256	146ef67c25f5ad661ec066e0a7429fce8ef9905b9cb8221c41b3c4aa1aa3468d
sha512	5c3666d03c62fac7940d9f5e13a6d5efab10a0aebd2453d0061b9904b4ee583854fa09510f16ac85f5a14d622c9c156ff4b84308fd43913af991ffddbabfd9a3
ripemd-160	655ede442734d59ae3f74ad7a37326fc1237d384

20121779 as geometric shapes

Circle

Radius = n

Diameter	40243558
Circumference	126428866.16711
Area	1.2719868521176E+15

Sphere

Radius = n

Volume	3.4126184438956E+22
Surface area	5.0879474084705E+15
Circumference	126428866.16711

Square

Length = n

Perimeter	80487116
Area	404885990124841
Diagonal	28456492.760874

Cube

Length = n

Surface area	2429315940749046
Volume	8.1470264134882E+21
Space diagonal	34851943.566672

Equilateral Triangle

Length = n

Perimeter	60365337
Area	1.7532077654226E+14
Altitude	17425971.783336

Triangular Pyramid

Length = n

Surface area	1.7532077654226E+14
Volume	9.6013627058057E+20
Height	9485497.586958