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

20129387 (number)

20129387 is an odd 8-digits composite number following 20129386 and preceding 20129388. In scientific notation, it is written as 2.0129387 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20102040 positive integers (up to 20129387) that are relatively prime to 20129387.

Interesting facts

20129387 has 4 divisors, whose sum is 20156736
The reverse of 20129387 is 78392102
Previous prime number is 757

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0129387 × 10^7
Engineering notation	2.0129387 × 10^6

Prime Factorization of 20129387

Prime Factorization 757 × 26591

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20129387	Product of the distinct prime numbers

The prime factorization of 20129387 is 757 × 26591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 6, 62, 604, 112, 6491, 2271, 73830, 94316, 732943, 750625, 3266947, 3416827, 86556601, 98014711, 708131302, 8520931, 5481806774, 9994365202

Basic calculations (n = 20129387)

Multiplication

n×y

n×2	40258774
n×3	60388161
n×4	80517548
n×5	100646935

Division

n÷y

n÷2	10064693.5
n÷3	6709795.6666667
n÷3	5032346.75
n÷5	4025877.4

Exponentiation

n^y

n²	405192220995769
n³	8.1562710258134E+21
n⁴	1.6418073595548E+29
n⁵	3.3048575719928E+36

Nth Root

^y√n

²√n	4486.5785404916
³√n	272.02585448441
⁴√n	66.981926969083
⁵√n	28.891235205066

Divisors of 20129387

1, 757, 26591, 20129387

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	-20129386	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 20129387 can be divided by 4 positive divisors. The sum of these divisors (counting 20129387) is 1, the average is 0.25.

Base conversion 20129387

Base	System	Value
2	Binary	1001100110010011001101011
3	Ternary	1101212200022212
4	Quaternary	1030302121223
5	Quinary	20123120022
6	Senary	1555235335
8	Octal	114623153
10	Decimal	20129387
12	Duodecimal	68a8b4b
16	Hexadecimal	133266b
20	Vigesimal	65g397
36	Base36	bzfxn

Cryptographic Hash Functions

md5	de29a25e8ea83dcc074d367cfe6e94b0
sha1	8ce0a89030ef5c1cbe656fea72df0695f0fcefd1
sha256	796a2968c5d0e3f0a96d9dedcd70ea67da19aa84d26b977f5aab7f1448af07c4
sha512	fcd93bb8b40309de4682a8ad907e7670368607e403f29d7c19e38d4a413288f7fbc777e859171a30aba6d926ffdd44c3d837cda1dcb3726fa41e097b016798d8
ripemd-160	5633ee9af6b9d8a34f6cc84b4f229f3e11861636

20129387 as geometric shapes

Circle

Radius = n

Diameter	40258774
Circumference	126476668.64093
Area	1.272948904772E+15

Sphere

Radius = n

Volume	3.416490818051E+22
Surface area	5.0917956190882E+15
Circumference	126476668.64093

Square

Length = n

Perimeter	80517548
Area	405192220995769
Diagonal	28467252.097657

Cube

Length = n

Surface area	2431153325974614
Volume	8.1562710258134E+21
Space diagonal	34865121.009216

Equilateral Triangle

Length = n

Perimeter	60388161
Area	1.7545337839909E+14
Altitude	17432560.504608

Triangular Pyramid

Length = n

Surface area	1.7545337839909E+14
Volume	9.6122575859133E+20
Height	9489084.0325522