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

20407978 (number)

20407978 is an even 8-digits composite number following 20407977 and preceding 20407979. In scientific notation, it is written as 2.0407978 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10203988 positive integers (up to 20407978) that are relatively prime to 20407978.

Interesting facts

20407978 has 4 divisors, whose sum is 30611970
The reverse of 20407978 is 87970402
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million four hundred seven thousand nine hundred seventy-eight

Notation

Scientific notation	2.0407978 × 10^7
Engineering notation	2.0407978 × 10^6

Prime Factorization of 20407978

Prime Factorization 2 × 10203989

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20407978	Product of the distinct prime numbers

The prime factorization of 20407978 is 2 × 10203989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 22, 52, 827, 272, 3153, 5752, 77146, 30802, 125996, 64810, 7869307, 7548590, 43593224, 25010458, 414043199, 226220161, 9741321821, 2817156810

Basic calculations (n = 20407978)

Multiplication

n×y

n×2	40815956
n×3	61223934
n×4	81631912
n×5	102039890

Division

n÷y

n÷2	10203989
n÷3	6802659.3333333
n÷3	5101994.5
n÷5	4081595.6

Exponentiation

n^y

n²	416485566048484
n³	8.499628269235E+21
n⁴	1.7346022672673E+29
n⁵	3.539972490914E+36

Nth Root

^y√n

²√n	4517.5190093679
³√n	273.27505631787
⁴√n	67.212491468237
⁵√n	28.970767146698

Divisors of 20407978

1, 2, 10203989, 20407978

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	-20407977	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 20407978 can be divided by 4 positive divisors. The sum of these divisors (counting 20407978) is 1, the average is 0.25.

Base conversion 20407978

Base	System	Value
2	Binary	1001101110110011010101010
3	Ternary	1102101211111001
4	Quaternary	1031312122222
5	Quinary	20211023403
6	Senary	2005225214
8	Octal	115663252
10	Decimal	20407978
12	Duodecimal	6a0220a
16	Hexadecimal	13766aa
20	Vigesimal	67ajii
36	Base36	c5ewa

Cryptographic Hash Functions

md5	c2dc237f28ec06a538f6913a9c4a050c
sha1	721781eae1b0d945af90a661119c8d0e9323e666
sha256	95eb7a4a387ade836870d4ca36de3bfa787bf6a5f24e79462563757e1a35b61e
sha512	fdc6811488a90fe113289ac17647e8823a9d5963b0bc5a4a8e21ffd0aa50fa409e9aef08698d49ee13436f4e8683dfb61f0438f1be570f291853e54556d1c962
ripemd-160	f68a8ff5a09f25fb7084a3052c84b5ae64d72c4e

20407978 as geometric shapes

Circle

Radius = n

Diameter	40815956
Circumference	128227107.51884
Area	1.3084279946241E+15

Sphere

Radius = n

Volume	3.5603159638497E+22
Surface area	5.2337119784964E+15
Circumference	128227107.51884

Square

Length = n

Perimeter	81631912
Area	416485566048484
Diagonal	28861239.268212

Cube

Length = n

Surface area	2498913396290904
Volume	8.499628269235E+21
Space diagonal	35347654.775748

Equilateral Triangle

Length = n

Perimeter	61223934
Area	1.8034354025376E+14
Altitude	17673827.387874

Triangular Pyramid

Length = n

Surface area	1.8034354025376E+14
Volume	1.0016907977902E+21
Height	9620413.0894039