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

20390897 (number)

20390897 is an odd 8-digits composite number following 20390896 and preceding 20390898. In scientific notation, it is written as 2.0390897 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 19953360 positive integers (up to 20390897) that are relatively prime to 20390897.

Interesting facts

20390897 has 8 divisors, whose sum is 20832000
The reverse of 20390897 is 79809302
Previous prime number is 223

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million three hundred ninety thousand eight hundred ninety-seven

Notation

Scientific notation	2.0390897 × 10^7
Engineering notation	2.0390897 × 10^6

Prime Factorization of 20390897

Prime Factorization 61 × 223 × 1499

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20390897	Product of the distinct prime numbers

The prime factorization of 20390897 is 61 × 223 × 1499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 35, 10, 26, 102, 5201, 7351, 28671, 62543, 956534, 265343, 1283224, 6109318, 54086698, 26271809, 634199974, 581467227, 5125560361, 2512865

Basic calculations (n = 20390897)

Multiplication

n×y

n×2	40781794
n×3	61172691
n×4	81563588
n×5	101954485

Division

n÷y

n÷2	10195448.5
n÷3	6796965.6666667
n÷3	5097724.25
n÷5	4078179.4

Exponentiation

n^y

n²	415788680464609
n³	8.4783041571198E+21
n⁴	1.728802268025E+29
n⁵	3.5251828980664E+36

Nth Root

^y√n

²√n	4515.628084774
³√n	273.19879342817
⁴√n	67.198423231308
⁵√n	28.965915951465

Divisors of 20390897

1, 61, 223, 1499, 13603, 91439, 334277, 20390897

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	-20390896	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 20390897 can be divided by 8 positive divisors. The sum of these divisors (counting 20390897) is 1, the average is 0.125.

Base conversion 20390897

Base	System	Value
2	Binary	1001101110010001111110001
3	Ternary	1102100222001102
4	Quaternary	1031302033301
5	Quinary	20210002042
6	Senary	2005014145
8	Octal	115621761
10	Decimal	20390897
12	Duodecimal	69b4355
16	Hexadecimal	13723f1
20	Vigesimal	678h4h
36	Base36	c51pt

Cryptographic Hash Functions

md5	2dd8d2af3b68c98edb1897c3f93db048
sha1	7e1d0668b20b46f43b16ca12bfc0315c41054a08
sha256	995cb57cb843784d74885b8288ad3d2f40623e32ce4aa0165eacf46b90ada357
sha512	43f5b092d764cdd88554208a84603caf5fb52ed03438a78bc6c186269562fdb200b1ec39423319522d4d85e6e23290b971d68bcfe651b990f2c950111133f893
ripemd-160	7be4a9072b82195f423f19658606e48bcfb7ac87

20390897 as geometric shapes

Circle

Radius = n

Diameter	40781794
Circumference	128119784.43061
Area	1.3062386639934E+15

Sphere

Radius = n

Volume	3.5513837406543E+22
Surface area	5.2249546559736E+15
Circumference	128119784.43061

Square

Length = n

Perimeter	81563588
Area	415788680464609
Diagonal	28837083.086353

Cube

Length = n

Surface area	2494732082787654
Volume	8.4783041571198E+21
Space diagonal	35318069.615904

Equilateral Triangle

Length = n

Perimeter	61172691
Area	1.8004177994418E+14
Altitude	17659034.807952

Triangular Pyramid

Length = n

Surface area	1.8004177994418E+14
Volume	9.9917772707691E+20
Height	9612361.0287843