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

20720909 (number)

20720909 is an odd 8-digits composite number following 20720908 and preceding 20720910. In scientific notation, it is written as 2.0720909 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17728960 positive integers (up to 20720909) that are relatively prime to 20720909.

Interesting facts

20720909 has 8 divisors, whose sum is 23934528
The reverse of 20720909 is 90902702
Previous prime number is 11

Basic properties

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

Name

Name	twenty million seven hundred twenty thousand nine hundred nine

Notation

Scientific notation	2.0720909 × 10^7
Engineering notation	2.0720909 × 10^6

Prime Factorization of 20720909

Prime Factorization 17 × 11 × 110807

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20720909	Product of the distinct prime numbers

The prime factorization of 20720909 is 17 × 11 × 110807. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 1, 41, 113, 778, 5452, 5877, 58350, 74403, 576362, 157405, 8260726, 7070090, 32289432, 44233255, 639284804, 896027953, 139002688, 3047832105

Basic calculations (n = 20720909)

Multiplication

n×y

n×2	41441818
n×3	62162727
n×4	82883636
n×5	103604545

Division

n÷y

n÷2	10360454.5
n÷3	6906969.6666667
n÷3	5180227.25
n÷5	4144181.8

Exponentiation

n^y

n²	429356069786281
n³	8.8966480506392E+21
n⁴	1.8434663466232E+29
n⁵	3.8198298412942E+36

Nth Root

^y√n

²√n	4552.022517519
³√n	274.66475511468
⁴√n	67.46867804781
⁵√n	29.059073316594

Divisors of 20720909

1, 11, 17, 187, 110807, 1218877, 1883719, 20720909

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	-20720908	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 20720909 can be divided by 8 positive divisors. The sum of these divisors (counting 20720909) is 1, the average is 0.125.

Base conversion 20720909

Base	System	Value
2	Binary	1001111000010110100001101
3	Ternary	1102222201202002
4	Quaternary	1033002310031
5	Quinary	20301032114
6	Senary	2020042045
8	Octal	117026415
10	Decimal	20720909
12	Duodecimal	6b33325
16	Hexadecimal	13c2d0d
20	Vigesimal	69a259
36	Base36	cc4ct

Cryptographic Hash Functions

md5	eb97b45965143c67681a744f1a8a2fbd
sha1	86076cea5360847f14890b8910731d0b9b9a77e4
sha256	1231197f8f06b81b4b8c830b9f858c7b7d1bf0476c88ae643fda7db94a488fe2
sha512	a24fc3230e8af203a7382cbc60bb9d0b98dca5155e5bd7f87db5e8a663cbef7be54824cab1d6a651783a90412dc80f316a552603d8f2a03e911636c94b623aaa
ripemd-160	5c925974ea3afa8b555d175d9d6c9fbe1a823154

20720909 as geometric shapes

Circle

Radius = n

Diameter	41441818
Circumference	130193310.98021
Area	1.3488618746148E+15

Sphere

Radius = n

Volume	3.7266192209949E+22
Surface area	5.3954474984591E+15
Circumference	130193310.98021

Square

Length = n

Perimeter	82883636
Area	429356069786281
Diagonal	29303790.532499

Cube

Length = n

Surface area	2576136418717686
Volume	8.8966480506392E+21
Space diagonal	35889667.167011

Equilateral Triangle

Length = n

Perimeter	62162727
Area	1.8591663185198E+14
Altitude	17944833.583506

Triangular Pyramid

Length = n

Surface area	1.8591663185198E+14
Volume	1.0484800277395E+21
Height	9767930.1774996