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

20139745 (number)

20139745 is an odd 8-digits composite number following 20139744 and preceding 20139746. In scientific notation, it is written as 2.0139745 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16095744 positive integers (up to 20139745) that are relatively prime to 20139745.

Interesting facts

20139745 has 8 divisors, whose sum is 24191784
The reverse of 20139745 is 54793102
Previous prime number is 1997

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred thirty-nine thousand seven hundred forty-five

Notation

Scientific notation	2.0139745 × 10^7
Engineering notation	2.0139745 × 10^6

Prime Factorization of 20139745

Prime Factorization 5 × 1997 × 2017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20139745	Product of the distinct prime numbers

The prime factorization of 20139745 is 5 × 1997 × 2017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 33, 83, 95, 159, 7479, 343, 70144, 23067, 826838, 288757, 1717355, 6055017, 54990403, 57279934, 436373597, 491295054, 6733688821, 7830561047

Basic calculations (n = 20139745)

Multiplication

n×y

n×2	40279490
n×3	60419235
n×4	80558980
n×5	100698725

Division

n÷y

n÷2	10069872.5
n÷3	6713248.3333333
n÷3	5034936.25
n÷5	4027949

Exponentiation

n^y

n²	405609328665025
n³	8.1688684489348E+21
n⁴	1.6451892750009E+29
n⁵	3.3133692475253E+36

Nth Root

^y√n

²√n	4487.7327237704
³√n	272.072505361
⁴√n	66.990542047146
⁵√n	28.894207911964

Divisors of 20139745

1, 5, 1997, 2017, 9985, 10085, 4027949, 20139745

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	-20139744	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 20139745 can be divided by 8 positive divisors. The sum of these divisors (counting 20139745) is 1, the average is 0.125.

Base conversion 20139745

Base	System	Value
2	Binary	1001100110100111011100001
3	Ternary	1101220012112111
4	Quaternary	1030310323201
5	Quinary	20123432440
6	Senary	1555355321
8	Octal	114647341
10	Decimal	20139745
12	Duodecimal	68b2b41
16	Hexadecimal	1334ee1
20	Vigesimal	65h975
36	Base36	bznxd

Cryptographic Hash Functions

md5	7acf4ee2feb84af35cad24a247eaee00
sha1	2239a355c5e2630d13e94ea93373b0ea511aa1b2
sha256	34e0e12167714bddeeebe7c40fe3b3db394e09202c5572d14c9f69abd53d161e
sha512	7131bec1dc851287977490801dad446254a606a3aa7008899b1438c9730784f99cc28585e840f91d9a218f83d03a0db431e28546abae8a940bdcc1258ab405e2
ripemd-160	49b22ff5b2a1c4fefeb4df02ab5e60247a093a4f

20139745 as geometric shapes

Circle

Radius = n

Diameter	40279490
Circumference	126541749.87434
Area	1.2742592871615E+15

Sphere

Radius = n

Volume	3.4217676143087E+22
Surface area	5.0970371486461E+15
Circumference	126541749.87434

Square

Length = n

Perimeter	80558980
Area	405609328665025
Diagonal	28481900.521736

Cube

Length = n

Surface area	2433655971990150
Volume	8.1688684489348E+21
Space diagonal	34883061.591481

Equilateral Triangle

Length = n

Perimeter	60419235
Area	1.7563399131793E+14
Altitude	17441530.795741

Triangular Pyramid

Length = n

Surface area	1.7563399131793E+14
Volume	9.6271037914377E+20
Height	9493966.8405786