20120985 (number)

20120985 is an odd 8-digits composite number following 20120984 and preceding 20120986. In scientific notation, it is written as 2.0120985 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10731168 positive integers (up to 20120985) that are relatively prime to 20120985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120985 × 10^7
Engineering notation 2.0120985 × 10^6

Prime Factorization of 20120985

Prime Factorization 5 × 9 × 447133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120985
Product of the distinct prime numbers

The prime factorization of 20120985 is 5 × 9 × 447133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120985)

Multiplication

n×y
n×2 40241970
n×3 60362955
n×4 80483940
n×5 100604925

Division

n÷y
n÷2 10060492.5
n÷3 6706995
n÷3 5030246.25
n÷5 4024197

Exponentiation

ny
n2 404854037370225
n3 8.1460620131157E+21
n4 1.6390679157497E+29
n5 3.2979660946781E+36

Nth Root

y√n
2√n 4485.6420945055
3√n 271.98800138104
4√n 66.974936315801
5√n 28.88882296373

Divisors of 20120985

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 -20120984
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 20120985 can be divided by 8 positive divisors. The sum of these divisors (counting 20120985) is 1, the average is 0.125.

Base conversion 20120985

Base System Value
2 Binary 1001100110000010110011001
3 Ternary 1101212020210200
4 Quaternary 1030300112121
5 Quinary 20122332420
6 Senary 1555132413
8 Octal 114602631
10 Decimal 20120985
12 Duodecimal 68a4109
16 Hexadecimal 1330599
20 Vigesimal 65f295
36 Base36 bz9g9

Cryptographic Hash Functions

md5 ee9ec3e4957daa840063e070e88c2245
sha1 2ac844eba650a53661f328b242070a086974b686
sha256 8b2c8f118e0d81cd78cd9f9ce3a31f59cbcb63959b28d4d48e7a99bb610d7f28
sha512 0a12a006f7e6efa66e27a9067d2c49194abbc1fa4a62b97b48c24e383c3953f80d63bdf77fc6ad0ff948c58bd08eee3fe3ddc714590393f5c01c3384227397eb
ripemd-160 d6014a1188d2c561605de1fef512328fb44521b9

20120985 as geometric shapes

Circle

Radius = n
Diameter 40241970
Circumference 126423877.31798
Area 1.2718864695785E+15

Sphere

Radius = n
Volume 3.4122144768122E+22
Surface area 5.0875458783139E+15
Circumference 126423877.31798

Square

Length = n
Perimeter 80483940
Area 404854037370225
Diagonal 28455369.875306

Cube

Length = n
Surface area 2429124224221350
Volume 8.1460620131157E+21
Space diagonal 34850568.318331

Equilateral Triangle

Length = n
Perimeter 60362955
Area 1.7530694059365E+14
Altitude 17425284.159166

Triangular Pyramid

Length = n
Surface area 1.7530694059365E+14
Volume 9.6002261490671E+20
Height 9485123.2917685