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

20387908 (number)

20387908 is an even 8-digits composite number following 20387907 and preceding 20387909. In scientific notation, it is written as 2.0387908 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10026720 positive integers (up to 20387908) that are relatively prime to 20387908.

Interesting facts

20387908 has 12 divisors, whose sum is 36264172
The reverse of 20387908 is 80978302
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0387908 × 10^7
Engineering notation	2.0387908 × 10^6

Prime Factorization of 20387908

Prime Factorization 2 × 2 × 61 × 83557

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10193954	Product of the distinct prime numbers

The prime factorization of 20387908 is 2 × 2 × 61 × 83557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 56, 7, 116, 118, 5041, 30, 66687, 70517, 387746, 819496, 3803962, 490989, 81905811, 85715672, 192828158, 594630484, 1114936601, 4933896044

Basic calculations (n = 20387908)

Multiplication

n×y

n×2	40775816
n×3	61163724
n×4	81551632
n×5	101939540

Division

n÷y

n÷2	10193954
n÷3	6795969.3333333
n÷3	5096977
n÷5	4077581.6

Exponentiation

n^y

n²	415666792616464
n³	8.4745763265195E+21
n⁴	1.7277888248406E+29
n⁵	3.5225999604278E+36

Nth Root

^y√n

²√n	4515.297110933
³√n	273.18544382587
⁴√n	67.195960525414
⁵√n	28.965066707808

Divisors of 20387908

1, 2, 4, 61, 122, 244, 83557, 167114, 334228, 5096977, 10193954, 20387908

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20387907	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20387908 can be divided by 12 positive divisors. The sum of these divisors (counting 20387908) is 1, the average is 0.083333333333333.

Base conversion 20387908

Base	System	Value
2	Binary	1001101110001100001000100
3	Ternary	1102100210221201
4	Quaternary	1031301201010
5	Quinary	20204403113
6	Senary	2004552244
8	Octal	115614104
10	Decimal	20387908
12	Duodecimal	69b2684
16	Hexadecimal	1371844
20	Vigesimal	6789f8
36	Base36	c4zes

Cryptographic Hash Functions

md5	e17cc2c3257c34b4ca62d7f072ff211b
sha1	52e6fdce31c314e3c929710c3708192a05df5b12
sha256	043d67bcb70ffc464f18cb7d8aad70a608d119c54c2b069320a40df08f96a76a
sha512	a4516694fd2adb9ed0679e8fe66b9c550ce43b3e5ce49efc6b0e805867a38b436f4e1d6755846892d1d1afc2bcd9c9e4dd3d1eff8c380e1df3940490fe7227a3
ripemd-160	5a051ef7bf3583c587d257db386ae195d0fec856

20387908 as geometric shapes

Circle

Radius = n

Diameter	40775816
Circumference	128101003.98973
Area	1.3058557420251E+15

Sphere

Radius = n

Volume	3.549822230624E+22
Surface area	5.2234229681005E+15
Circumference	128101003.98973

Square

Length = n

Perimeter	81551632
Area	415666792616464
Diagonal	28832856.002015

Cube

Length = n

Surface area	2494000755698784
Volume	8.4745763265195E+21
Space diagonal	35312892.51604

Equilateral Triangle

Length = n

Perimeter	61163724
Area	1.7998900095773E+14
Altitude	17656446.25802

Triangular Pyramid

Length = n

Surface area	1.7998900095773E+14
Volume	9.9873839802749E+20
Height	9610952.0006716