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

20139787 (number)

20139787 is an odd 8-digits composite number following 20139786 and preceding 20139788. In scientific notation, it is written as 2.0139787 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19981080 positive integers (up to 20139787) that are relatively prime to 20139787.

Interesting facts

20139787 has 4 divisors, whose sum is 20298496
The reverse of 20139787 is 78793102
Previous prime number is 127

Basic properties

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

Name

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

Notation

Scientific notation	2.0139787 × 10^7
Engineering notation	2.0139787 × 10^6

Prime Factorization of 20139787

Prime Factorization 127 × 158581

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20139787	Product of the distinct prime numbers

The prime factorization of 20139787 is 127 × 158581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 13, 49, 267, 796, 1672, 9475, 63509, 79346, 868433, 979603, 5466117, 116671, 23715518, 30826617, 5827854, 718743824, 9486181096, 6902528142

Basic calculations (n = 20139787)

Multiplication

n×y

n×2	40279574
n×3	60419361
n×4	80559148
n×5	100698935

Division

n÷y

n÷2	10069893.5
n÷3	6713262.3333333
n÷3	5034946.75
n÷5	4027957.4

Exponentiation

n^y

n²	405611020405369
n³	8.1689195558168E+21
n⁴	1.6452029987428E+29
n⁵	3.3134037966442E+36

Nth Root

^y√n

²√n	4487.7374031911
³√n	272.07269449013
⁴√n	66.990576973117
⁵√n	28.894219963316

Divisors of 20139787

1, 127, 158581, 20139787

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	-20139786	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 20139787 can be divided by 4 positive divisors. The sum of these divisors (counting 20139787) is 1, the average is 0.25.

Base conversion 20139787

Base	System	Value
2	Binary	1001100110100111100001011
3	Ternary	1101220012121001
4	Quaternary	1030310330023
5	Quinary	20123433122
6	Senary	1555355431
8	Octal	114647413
10	Decimal	20139787
12	Duodecimal	68b2b77
16	Hexadecimal	1334f0b
20	Vigesimal	65h997
36	Base36	bznyj

Cryptographic Hash Functions

md5	76219099c2d0c89779e5d08e423f2bf6
sha1	d5de634d700606e86a5f79fbd616a25e07c5b475
sha256	91c2dbbf93f534acf81c9621080e4f9490a7f5cc239d7dca232ca4a3f1b51113
sha512	7f49ca4ec66b7547cd420f27c7c07ecae7d4b556e4e74585982aaaefce6dc6a9e3b4714dbac19bf29ca283fa101ecd1afd988afee21045bb810e42243e281f5e
ripemd-160	e8d767f7ca7e742aa30227bca5073bb5ec692745

20139787 as geometric shapes

Circle

Radius = n

Diameter	40279574
Circumference	126542013.76813
Area	1.2742646019206E+15

Sphere

Radius = n

Volume	3.4217890219093E+22
Surface area	5.0970584076823E+15
Circumference	126542013.76813

Square

Length = n

Perimeter	80559148
Area	405611020405369
Diagonal	28481959.918705

Cube

Length = n

Surface area	2433666122432214
Volume	8.1689195558168E+21
Space diagonal	34883134.337615

Equilateral Triangle

Length = n

Perimeter	60419361
Area	1.7563472386299E+14
Altitude	17441567.168808

Triangular Pyramid

Length = n

Surface area	1.7563472386299E+14
Volume	9.6271640214757E+20
Height	9493986.6395684