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

20138787 (number)

20138787 is an odd 8-digits composite number following 20138786 and preceding 20138788. In scientific notation, it is written as 2.0138787 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13425804 positive integers (up to 20138787) that are relatively prime to 20138787.

Interesting facts

20138787 has 8 divisors, whose sum is 27846336
The reverse of 20138787 is 78783102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million one hundred thirty-eight thousand seven hundred eighty-seven

Notation

Scientific notation	2.0138787 × 10^7
Engineering notation	2.0138787 × 10^6

Prime Factorization of 20138787

Prime Factorization 27 × 3 × 248627

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138787	Product of the distinct prime numbers

The prime factorization of 20138787 is 27 × 3 × 248627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 79, 47, 458, 348, 4534, 564, 25728, 96405, 582864, 381236, 2688118, 3471393, 81565298, 89905476, 138447696, 418715395, 585564104, 6028883575

Basic calculations (n = 20138787)

Multiplication

n×y

n×2	40277574
n×3	60416361
n×4	80555148
n×5	100693935

Division

n÷y

n÷2	10069393.5
n÷3	6712929
n÷3	5034696.75
n÷5	4027757.4

Exponentiation

n^y

n²	405570741831369
n³	8.1677027831739E+21
n⁴	1.6448762662965E+29
n⁵	3.31258127683E+36

Nth Root

^y√n

²√n	4487.6259870894
³√n	272.06819134423
⁴√n	66.989745387555
⁵√n	28.893933020918

Divisors of 20138787

1, 3, 27, 81, 248627, 745881, 6712929, 20138787

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	-20138786	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 20138787 can be divided by 8 positive divisors. The sum of these divisors (counting 20138787) is 1, the average is 0.125.

Base conversion 20138787

Base	System	Value
2	Binary	1001100110100101100100011
3	Ternary	1101220011020000
4	Quaternary	1030310230203
5	Quinary	20123420122
6	Senary	1555351043
8	Octal	114645443
10	Decimal	20138787
12	Duodecimal	68b2483
16	Hexadecimal	1334b23
20	Vigesimal	65h6j7
36	Base36	bzn6r

Cryptographic Hash Functions

md5	b2c874173face5589ccd69c847f2ae32
sha1	b40285526775c3720652657c9260687a95983886
sha256	59d06c1e36b319c5b8978f0b58d83fd2aa922fcabc4a7208c7b3922d3fa2e311
sha512	85ad47ba85110f12aa3857e2e2690320ee0b04f0c76940e890d3bbfee54010a0591c75ccedeb9b955d54bb90c062a4b19ae47ec787324410719cc9ed629d503d
ripemd-160	d9ed026cc0905d7f230440183ad58733ad442b1b

20138787 as geometric shapes

Circle

Radius = n

Diameter	40277574
Circumference	126535730.58282
Area	1.2741380630484E+15

Sphere

Radius = n

Volume	3.4212793413765E+22
Surface area	5.0965522521936E+15
Circumference	126535730.58282

Square

Length = n

Perimeter	80555148
Area	405570741831369
Diagonal	28480545.705143

Cube

Length = n

Surface area	2433424450988214
Volume	8.1677027831739E+21
Space diagonal	34881402.286808

Equilateral Triangle

Length = n

Perimeter	60416361
Area	1.7561728272883E+14
Altitude	17440701.143404

Triangular Pyramid

Length = n

Surface area	1.7561728272883E+14
Volume	9.6257300411642E+20
Height	9493515.2350477