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

20402978 (number)

20402978 is an even 8-digits composite number following 20402977 and preceding 20402979. In scientific notation, it is written as 2.0402978 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 9757924 positive integers (up to 20402978) that are relatively prime to 20402978.

Interesting facts

20402978 has 8 divisors, whose sum is 31935168
The reverse of 20402978 is 87920402
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0402978 × 10^7
Engineering notation	2.0402978 × 10^6

Prime Factorization of 20402978

Prime Factorization 2 × 23 × 443543

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20402978	Product of the distinct prime numbers

The prime factorization of 20402978 is 2 × 23 × 443543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 7, 36, 95, 185, 718, 1212, 6088, 64706, 69952, 650067, 290112, 2153695, 6453999, 25885899, 49629674, 472936320, 562079301, 385996502, 7566142433

Basic calculations (n = 20402978)

Multiplication

n×y

n×2	40805956
n×3	61208934
n×4	81611912
n×5	102014890

Division

n÷y

n÷2	10201489
n÷3	6800992.6666667
n÷3	5100744.5
n÷5	4080595.6

Exponentiation

n^y

n²	416281511268484
n³	8.4933825162176E+21
n⁴	1.7329029662397E+29
n⁵	3.5356381096324E+36

Nth Root

^y√n

²√n	4516.9655743652
³√n	273.25273682947
⁴√n	67.208374287474
⁵√n	28.96934742708

Divisors of 20402978

1, 2, 23, 46, 443543, 887086, 10201489, 20402978

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	-20402977	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 20402978 can be divided by 8 positive divisors. The sum of these divisors (counting 20402978) is 1, the average is 0.125.

Base conversion 20402978

Base	System	Value
2	Binary	1001101110101001100100010
3	Ternary	1102101120121212
4	Quaternary	1031311030202
5	Quinary	20210343403
6	Senary	2005150122
8	Octal	115651442
10	Decimal	20402978
12	Duodecimal	69bb342
16	Hexadecimal	1375322
20	Vigesimal	67a78i
36	Base36	c5b1e

Cryptographic Hash Functions

md5	a51367aa1f9ad902322622eae104d69f
sha1	66538e2d5bbb96d8efee78a0f34ee0ba43978dc3
sha256	13e5f82eb2b5ee64fda053c9eacb02a53f1f4e2194ac19fbac5702e2a3da0480
sha512	db7cbcdfb94ee7ddeae571811fcadcffd88de281f1c521f909faa7ecf2c6da7c24b9b7be49ef26825f3f9c576eedc0a905c0492de0926bf87a43f29a3df65422
ripemd-160	69b8ac10764c7fb4de785d85619c57e73bb74bc1

20402978 as geometric shapes

Circle

Radius = n

Diameter	40805956
Circumference	128195691.59231
Area	1.3077869376263E+15

Sphere

Radius = n

Volume	3.5576997489436E+22
Surface area	5.2311477505053E+15
Circumference	128195691.59231

Square

Length = n

Perimeter	81611912
Area	416281511268484
Diagonal	28854168.2004

Cube

Length = n

Surface area	2497689067610904
Volume	8.4933825162176E+21
Space diagonal	35338994.52171

Equilateral Triangle

Length = n

Perimeter	61208934
Area	1.8025518194214E+14
Altitude	17669497.260855

Triangular Pyramid

Length = n

Surface area	1.8025518194214E+14
Volume	1.0009547287381E+21
Height	9618056.0668