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

20307985 (number)

20307985 is an odd 8-digits composite number following 20307984 and preceding 20307986. In scientific notation, it is written as 2.0307985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16201344 positive integers (up to 20307985) that are relatively prime to 20307985.

Interesting facts

20307985 has 8 divisors, whose sum is 24437160
The reverse of 20307985 is 58970302
Previous prime number is 373

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0307985 × 10^7
Engineering notation	2.0307985 × 10^6

Prime Factorization of 20307985

Prime Factorization 5 × 373 × 10889

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20307985	Product of the distinct prime numbers

The prime factorization of 20307985 is 5 × 373 × 10889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 89, 16, 478, 637, 4981, 8625, 49761, 44511, 154730, 960856, 6431968, 6562365, 12395659, 88318510, 745251806, 699640435, 775713437, 7471815404

Basic calculations (n = 20307985)

Multiplication

n×y

n×2	40615970
n×3	60923955
n×4	81231940
n×5	101539925

Division

n÷y

n÷2	10153992.5
n÷3	6769328.3333333
n÷3	5076996.25
n÷5	4061597

Exponentiation

n^y

n²	412414254760225
n³	8.3753024994568E+21
n⁴	1.7008551752943E+29
n⁵	3.4540941387049E+36

Nth Root

^y√n

²√n	4506.4381722154
³√n	272.82800331292
⁴√n	67.130009475758
⁵√n	28.942321720163

Divisors of 20307985

1, 5, 373, 1865, 10889, 54445, 4061597, 20307985

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	-20307984	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 20307985 can be divided by 8 positive divisors. The sum of these divisors (counting 20307985) is 1, the average is 0.125.

Base conversion 20307985

Base	System	Value
2	Binary	1001101011110000000010001
3	Ternary	1102012202022121
4	Quaternary	1031132000101
5	Quinary	20144323420
6	Senary	2003134241
8	Octal	115360021
10	Decimal	20307985
12	Duodecimal	6974381
16	Hexadecimal	135e011
20	Vigesimal	66i9j5
36	Base36	c39qp

Cryptographic Hash Functions

md5	e55481dc6685f04ad56df44ee168463b
sha1	546dcf8da355aa90a6188dca69a9b65ddd918880
sha256	e1c9ac2470569fb9c70087ef405f6cc06e4735660f5fc3e115605034729e0307
sha512	8a1ade1278b455f4c4493da5129546c5a5bdeb88021311c328f7f6b6c193d84496cb0c80a269a147c09f010be9382cf41782bbd433d29f214c73dd7357c6160e
ripemd-160	4960d48be5dd6f93ac6c7c194cf018bd003132cb

20307985 as geometric shapes

Circle

Radius = n

Diameter	40615970
Circumference	127598832.97042
Area	1.2956375929904E+15

Sphere

Radius = n

Volume	3.5082385071848E+22
Surface area	5.1825503719617E+15
Circumference	127598832.97042

Square

Length = n

Perimeter	81231940
Area	412414254760225
Diagonal	28719827.811469

Cube

Length = n

Surface area	2474485528561350
Volume	8.3753024994568E+21
Space diagonal	35174461.819347

Equilateral Triangle

Length = n

Perimeter	60923955
Area	1.7858061075259E+14
Altitude	17587230.909673

Triangular Pyramid

Length = n

Surface area	1.7858061075259E+14
Volume	9.8703886530909E+20
Height	9573275.9371565