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

20389947 (number)

20389947 is an odd 8-digits composite number following 20389946 and preceding 20389948. In scientific notation, it is written as 2.0389947 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 13593296 positive integers (up to 20389947) that are relatively prime to 20389947.

Interesting facts

20389947 has 4 divisors, whose sum is 27186600
The reverse of 20389947 is 74998302
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty million three hundred eighty-nine thousand nine hundred forty-seven

Notation

Scientific notation	2.0389947 × 10^7
Engineering notation	2.0389947 × 10^6

Prime Factorization of 20389947

Prime Factorization 3 × 6796649

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20389947	Product of the distinct prime numbers

The prime factorization of 20389947 is 3 × 6796649. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 67, 88, 974, 718, 6929, 911, 87301, 85313, 56793, 84251, 1034847, 2135694, 44061711, 28252038, 324082426, 321840482, 2000248221, 7914416871

Basic calculations (n = 20389947)

Multiplication

n×y

n×2	40779894
n×3	61169841
n×4	81559788
n×5	101949735

Division

n÷y

n÷2	10194973.5
n÷3	6796649
n÷3	5097486.75
n÷5	4077989.4

Exponentiation

n^y

n²	415749938662809
n³	8.4771192145879E+21
n⁴	1.7284801149813E+29
n⁵	3.5243617935022E+36

Nth Root

^y√n

²√n	4515.5228933093
³√n	273.19455063813
⁴√n	67.197640533796
⁵√n	28.965646045409

Divisors of 20389947

1, 3, 6796649, 20389947

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	-20389946	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 20389947 can be divided by 4 positive divisors. The sum of these divisors (counting 20389947) is 1, the average is 0.25.

Base conversion 20389947

Base	System	Value
2	Binary	1001101110010000000111011
3	Ternary	1102100220202020
4	Quaternary	1031302000323
5	Quinary	20204434242
6	Senary	2005005523
8	Octal	115620073
10	Decimal	20389947
12	Duodecimal	69b38a3
16	Hexadecimal	137203b
20	Vigesimal	678eh7
36	Base36	c50zf

Cryptographic Hash Functions

md5	33af6e0e2ac81fed13b49215738bf79a
sha1	601b131082307ae4fc8067561dea6d8157c12854
sha256	e8c051862900d6153eba6dd623774684801756be3a54536540185c3cc2f89e73
sha512	5a77bbaaa86b3a47d08c22b53fbe49bdfad52b2cb039880b0255de1dd0f4c73ee22479a4ce1fef26fefd6812bedd64869f36af60d733dacb469bda8a378f992b
ripemd-160	2eedc791f0075a5067a1a16ce94357913fc81d20

20389947 as geometric shapes

Circle

Radius = n

Diameter	40779894
Circumference	128113815.40457
Area	1.3061169530335E+15

Sphere

Radius = n

Volume	3.5508873930872E+22
Surface area	5.224467812134E+15
Circumference	128113815.40457

Square

Length = n

Perimeter	81559788
Area	415749938662809
Diagonal	28835739.583469

Cube

Length = n

Surface area	2494499631976854
Volume	8.4771192145879E+21
Space diagonal	35316424.167637

Equilateral Triangle

Length = n

Perimeter	61169841
Area	1.8002500425191E+14
Altitude	17658212.083818

Triangular Pyramid

Length = n

Surface area	1.8002500425191E+14
Volume	9.9903808026032E+20
Height	9611913.1944895