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

20949985 (number)

20949985 is an odd 8-digits composite number following 20949984 and preceding 20949986. In scientific notation, it is written as 2.0949985 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 14365680 positive integers (up to 20949985) that are relatively prime to 20949985.

Interesting facts

20949985 has 4 divisors, whose sum is 21548592
The reverse of 20949985 is 58994902
Previous prime number is 35

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	twenty million nine hundred forty-nine thousand nine hundred eighty-five

Notation

Scientific notation	2.0949985 × 10^7
Engineering notation	2.0949985 × 10^6

Prime Factorization of 20949985

Prime Factorization 35 × 598571

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20949985	Product of the distinct prime numbers

The prime factorization of 20949985 is 35 × 598571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 32, 88, 284, 781, 6379, 2139, 94265, 96212, 528753, 932322, 2432713, 1830266, 18299559, 98228614, 256053360, 368613188, 9485226764, 2767855244

Basic calculations (n = 20949985)

Multiplication

n×y

n×2	41899970
n×3	62849955
n×4	83799940
n×5	104749925

Division

n÷y

n÷2	10474992.5
n÷3	6983328.3333333
n÷3	5237496.25
n÷5	4189997

Exponentiation

n^y

n²	438901871500225
n³	9.1949876244016E+21
n⁴	1.926348528064E+29
n⁵	4.0356972767713E+36

Nth Root

^y√n

²√n	4577.115357952
³√n	275.67321559894
⁴√n	67.654381661146
⁵√n	29.123042451703

Divisors of 20949985

1, 35, 598571, 20949985

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	-20949984	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 20949985 can be divided by 4 positive divisors. The sum of these divisors (counting 20949985) is 1, the average is 0.25.

Base conversion 20949985

Base	System	Value
2	Binary	1001111111010101111100001
3	Ternary	1110102100222101
4	Quaternary	1033322233201
5	Quinary	20330344420
6	Senary	2025010401
8	Octal	117725741
10	Decimal	20949985
12	Duodecimal	7023a01
16	Hexadecimal	13fabe1
20	Vigesimal	6aiej5
36	Base36	ch141

Cryptographic Hash Functions

md5	952f088690c4e17e5a033b1e7e31a260
sha1	7ee7e240f64ef47552b910b752d32965973f0a83
sha256	ceca46e0b7d8824939a7a6828a91e26d695e991e2de7a45602f6ce1dc90d5cf8
sha512	287bae4413a325845029ec17f924421a6f8b067eb8f830af2f4383b9b4ef0009089fd16855a9c05a285d9092f32472cd76d54e894dd3e92296b60fbbbfa9292e
ripemd-160	7772522e8cc9c6ced9ea8f5923a2008905d7136a

20949985 as geometric shapes

Circle

Radius = n

Diameter	41899970
Circumference	131632637.93763
Area	1.3788508951519E+15

Sphere

Radius = n

Volume	3.8515874094226E+22
Surface area	5.5154035806077E+15
Circumference	131632637.93763

Square

Length = n

Perimeter	83799940
Area	438901871500225
Diagonal	29627752.918513

Cube

Length = n

Surface area	2633411229001350
Volume	9.1949876244016E+21
Space diagonal	36286438.437806

Equilateral Triangle

Length = n

Perimeter	62849955
Area	1.9005008524386E+14
Altitude	18143219.218903

Triangular Pyramid

Length = n

Surface area	1.9005008524386E+14
Volume	1.0836396836901E+21
Height	9875917.6395043