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

20138947 (number)

20138947 is an odd 8-digits composite number following 20138946 and preceding 20138948. In scientific notation, it is written as 2.0138947 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20050776 positive integers (up to 20138947) that are relatively prime to 20138947.

Interesting facts

20138947 has 4 divisors, whose sum is 20227120
The reverse of 20138947 is 74983102
Previous prime number is 229

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0138947 × 10^7
Engineering notation	2.0138947 × 10^6

Prime Factorization of 20138947

Prime Factorization 229 × 87943

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138947	Product of the distinct prime numbers

The prime factorization of 20138947 is 229 × 87943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 37, 75, 465, 630, 8343, 5613, 22708, 66244, 398900, 363979, 6147303, 656704, 57402043, 902893, 46880907, 680788491, 5402074389, 8623775795

Basic calculations (n = 20138947)

Multiplication

n×y

n×2	40277894
n×3	60416841
n×4	80555788
n×5	100694735

Division

n÷y

n÷2	10069473.5
n÷3	6712982.3333333
n÷3	5034736.75
n÷5	4027789.4

Exponentiation

n^y

n²	405577186268809
n³	8.1678974586767E+21
n⁴	1.6449285402172E+29
n⁵	3.3127128690222E+36

Nth Root

^y√n

²√n	4487.6438138515
³√n	272.06891185759
⁴√n	66.989878443326
⁵√n	28.893978932468

Divisors of 20138947

1, 229, 87943, 20138947

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	-20138946	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 20138947 can be divided by 4 positive divisors. The sum of these divisors (counting 20138947) is 1, the average is 0.25.

Base conversion 20138947

Base	System	Value
2	Binary	1001100110100101111000011
3	Ternary	1101220011102221
4	Quaternary	1030310233003
5	Quinary	20123421242
6	Senary	1555351511
8	Octal	114645703
10	Decimal	20138947
12	Duodecimal	68b2597
16	Hexadecimal	1334bc3
20	Vigesimal	65h777
36	Base36	bznb7

Cryptographic Hash Functions

md5	e2ada1d20117c8a40ebf2c8c2f104d9a
sha1	f22c6ba754fd39293f8d2e84e86efb3c9827d8e8
sha256	9a43fa31f4b2a102af9df65b9528206ddaf86348a3407f23c9d3656727000aca
sha512	e4456e00bdbba6b9595acae52fded141539a0a2368943388c923cec925fb88fd6128f08ffe72dd051b5e428e1298a388c485ec7c6ea9779f27eab19480cc9b35
ripemd-160	4983b499768fea3c0df7ecfb35e6ba8c6389b84a

20138947 as geometric shapes

Circle

Radius = n

Diameter	40277894
Circumference	126536735.89247
Area	1.2741583088457E+15

Sphere

Radius = n

Volume	3.4213608868604E+22
Surface area	5.0966332353828E+15
Circumference	126536735.89247

Square

Length = n

Perimeter	80555788
Area	405577186268809
Diagonal	28480771.979313

Cube

Length = n

Surface area	2433463117612854
Volume	8.1678974586767E+21
Space diagonal	34881679.414937

Equilateral Triangle

Length = n

Perimeter	60416841
Area	1.756200732521E+14
Altitude	17440839.707468

Triangular Pyramid

Length = n

Surface area	1.756200732521E+14
Volume	9.6259594684444E+20
Height	9493590.659771