20839985 (number)

20839985 is an odd 8-digits composite number following 20839984 and preceding 20839986. In scientific notation, it is written as 2.0839985 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 16647040 positive integers (up to 20839985) that are relatively prime to 20839985.

Interesting facts

Basic properties

Name

Name twenty million eight hundred thirty-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.0839985 × 10^7
Engineering notation 2.0839985 × 10^6

Prime Factorization of 20839985

Prime Factorization 5 × 761 × 5477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20839985
Product of the distinct prime numbers

The prime factorization of 20839985 is 5 × 761 × 5477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 21, 83, 753, 905, 1625, 5289, 15161, 53312, 163132, 262075, 1828274, 916481, 92830102, 9949842, 921287384, 620665176, 813941973, 8961761846

Basic calculations (n = 20839985)

Multiplication

n×y
n×2 41679970
n×3 62519955
n×4 83359940
n×5 104199925

Division

n÷y
n÷2 10419992.5
n÷3 6946661.6666667
n÷3 5209996.25
n÷5 4167997

Exponentiation

ny
n2 434304974800225
n3 9.0509091602621E+21
n4 1.8862081113622E+29
n5 3.9308548747667E+36

Nth Root

y√n
2√n 4565.0832413002
3√n 275.18988538435
4√n 67.565399734629
5√n 29.092395325833

Divisors of 20839985

1, 5, 761, 3805, 5477, 27385, 4167997, 20839985

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 -20839984
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 20839985 can be divided by 8 positive divisors. The sum of these divisors (counting 20839985) is 1, the average is 0.125.

Base conversion 20839985

Base System Value
2 Binary 1001111011111111000110001
3 Ternary 1110012210002022
4 Quaternary 1033133320301
5 Quinary 20313334420
6 Senary 2022401225
8 Octal 117377061
10 Decimal 20839985
12 Duodecimal 6b90215
16 Hexadecimal 13dfe31
20 Vigesimal 6a4jj5
36 Base36 ceo8h

Cryptographic Hash Functions

md5 18347f7a76f487a422f94aa8ed6ae485
sha1 7cfbbefec58041e0c68a5e47bb7392ec5967f79d
sha256 71ab1d0476a060a61389611e7d5315fedab683945d64acce1969b8f35877252f
sha512 a78b52f41a6b8b5d5db0746a6685aba9cab65e1daf33f6aedcd76f185ca123da19673696c42c811c6f1cfc6fd081a5fdb28c30a4872aaf4275c04ed819194ed5
ripemd-160 d086133ad8e389205e488e85b95f129213370e47

20839985 as geometric shapes

Circle

Radius = n
Diameter 41679970
Circumference 130941487.55384
Area 1.3644093182499E+15

Sphere

Radius = n
Volume 3.7912359634917E+22
Surface area 5.4576372729995E+15
Circumference 130941487.55384

Square

Length = n
Perimeter 83359940
Area 434304974800225
Diagonal 29472189.426652

Cube

Length = n
Surface area 2605829848801350
Volume 9.0509091602621E+21
Space diagonal 36095912.848973

Equilateral Triangle

Length = n
Perimeter 62519955
Area 1.8805957058348E+14
Altitude 18047956.424487

Triangular Pyramid

Length = n
Surface area 1.8805957058348E+14
Volume 1.0666598738541E+21
Height 9824063.1422173