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

20720021 (number)

20720021 is an odd 8-digits composite number following 20720020 and preceding 20720022. In scientific notation, it is written as 2.0720021 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 17760012 positive integers (up to 20720021) that are relatively prime to 20720021.

Interesting facts

20720021 has 4 divisors, whose sum is 23680032
The reverse of 20720021 is 12002702
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty million seven hundred twenty thousand twenty-one

Notation

Scientific notation	2.0720021 × 10^7
Engineering notation	2.0720021 × 10^6

Prime Factorization of 20720021

Prime Factorization 7 × 2960003

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20720021	Product of the distinct prime numbers

The prime factorization of 20720021 is 7 × 2960003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 19, 61, 825, 838, 1069, 8658, 60351, 35027, 231910, 593940, 7082618, 3896648, 60207585, 54211123, 935017426, 198185470, 7400660197, 6164912281

Basic calculations (n = 20720021)

Multiplication

n×y

n×2	41440042
n×3	62160063
n×4	82880084
n×5	103600105

Division

n÷y

n÷2	10360010.5
n÷3	6906673.6666667
n÷3	5180005.25
n÷5	4144004.2

Exponentiation

n^y

n²	429319270240441
n³	8.8955042950866E+21
n⁴	1.8431503579978E+29
n⁵	3.8190114123873E+36

Nth Root

^y√n

²√n	4551.9249774134
³√n	274.66083144854
⁴√n	67.467955189211
⁵√n	29.058824245479

Divisors of 20720021

1, 7, 2960003, 20720021

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	-20720020	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 20720021 can be divided by 4 positive divisors. The sum of these divisors (counting 20720021) is 1, the average is 0.25.

Base conversion 20720021

Base	System	Value
2	Binary	1001111000010100110010101
3	Ternary	1102222200112012
4	Quaternary	1033002212111
5	Quinary	20301020041
6	Senary	2020034005
8	Octal	117024625
10	Decimal	20720021
12	Duodecimal	6b32905
16	Hexadecimal	13c2995
20	Vigesimal	69a011
36	Base36	cc3o5

Cryptographic Hash Functions

md5	8edcfb2933d43a7e1819f30bacefa739
sha1	55a7c48b875a74c250f4d2485bef0f5d46db859a
sha256	27cd50fce3badd45955b8b0772e8227a52b1a310a457f39590b3e3249c2aebfa
sha512	15d04366b64e6f735b3b6630086a9fda50a70da5688c5656111417d82624a67a7b1a3fa0598b991d164d4beffc67bcbe2c8aa63cd563ff3c9c6c079a9373eaed
ripemd-160	13ad1a2b34ab13f7fecf7c4f569e918b9bd3cb99

20720021 as geometric shapes

Circle

Radius = n

Diameter	41440042
Circumference	130187731.51165
Area	1.3487462654319E+15

Sphere

Radius = n

Volume	3.7261401257894E+22
Surface area	5.3949850617276E+15
Circumference	130187731.51165

Square

Length = n

Perimeter	82880084
Area	429319270240441
Diagonal	29302534.710855

Cube

Length = n

Surface area	2575915621442646
Volume	8.8955042950866E+21
Space diagonal	35888129.105894

Equilateral Triangle

Length = n

Perimeter	62160063
Area	1.8590069718121E+14
Altitude	17944064.552947

Triangular Pyramid

Length = n

Surface area	1.8590069718121E+14
Volume	1.048345234855E+21
Height	9767511.5702851