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

20139985 (number)

20139985 is an odd 8-digits composite number following 20139984 and preceding 20139986. In scientific notation, it is written as 2.0139985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 15095808 positive integers (up to 20139985) that are relatively prime to 20139985.

Interesting facts

20139985 has 8 divisors, whose sum is 20469032
The reverse of 20139985 is 58993102
Previous prime number is 757

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 nine hundred eighty-five

Notation

Scientific notation	2.0139985 × 10^7
Engineering notation	2.0139985 × 10^6

Prime Factorization of 20139985

Prime Factorization 85 × 757 × 313

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20139985	Product of the distinct prime numbers

The prime factorization of 20139985 is 85 × 757 × 313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 13, 69, 55, 697, 2940, 2794, 83644, 10567, 44062, 690896, 488376, 7589338, 86536840, 3284311, 281870088, 301450750, 5224033708, 8966150923

Basic calculations (n = 20139985)

Multiplication

n×y

n×2	40279970
n×3	60419955
n×4	80559940
n×5	100699925

Division

n÷y

n÷2	10069992.5
n÷3	6713328.3333333
n÷3	5034996.25
n÷5	4027997

Exponentiation

n^y

n²	405618995800225
n³	8.1691604911316E+21
n⁴	1.6452676975398E+29
n⁵	3.3135666749437E+36

Nth Root

^y√n

²√n	4487.7594632511
³√n	272.07358609534
⁴√n	66.990741623385
⁵√n	28.894276776558

Divisors of 20139985

1, 85, 313, 757, 26605, 64345, 236941, 20139985

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	-20139984	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 20139985 can be divided by 8 positive divisors. The sum of these divisors (counting 20139985) is 1, the average is 0.125.

Base conversion 20139985

Base	System	Value
2	Binary	1001100110100111111010001
3	Ternary	1101220012212101
4	Quaternary	1030310333101
5	Quinary	20123434420
6	Senary	1555400401
8	Octal	114647721
10	Decimal	20139985
12	Duodecimal	68b3101
16	Hexadecimal	1334fd1
20	Vigesimal	65h9j5
36	Base36	bzo41

Cryptographic Hash Functions

md5	70ef721dfd93f4455c96ff5227beac49
sha1	194fb6965cd3ae0d69140d4e6bf2be756efe854b
sha256	d83957b698851442cca124b299c3f28b87c01069715f85b59c0fafc1031ff5f2
sha512	1ad3bde060b3a000754e6211f65583b89a0dd4cb190e1b1bb53f1dc6d9ae9ac2275dfcd8773be4e3365cee7922b3adefe308b80f39693b306ac214c22f951572
ripemd-160	8c674ca16610e2c9b97d404632b29c12c6cb1692

20139985 as geometric shapes

Circle

Radius = n

Diameter	40279970
Circumference	126543257.83882
Area	1.2742896573625E+15

Sphere

Radius = n

Volume	3.421889944658E+22
Surface area	5.0971586294498E+15
Circumference	126543257.83882

Square

Length = n

Perimeter	80559940
Area	405618995800225
Diagonal	28482239.932991

Cube

Length = n

Surface area	2433713974801350
Volume	8.1691604911316E+21
Space diagonal	34883477.283675

Equilateral Triangle

Length = n

Perimeter	60419955
Area	1.7563817731026E+14
Altitude	17441738.641838

Triangular Pyramid

Length = n

Surface area	1.7563817731026E+14
Volume	9.6274479664673E+20
Height	9494079.9776636