20985239 (number)

20985239 is an odd 8-digits composite number following 20985238 and preceding 20985240. In scientific notation, it is written as 2.0985239 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19077480 positive integers (up to 20985239) that are relatively prime to 20985239.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0985239 × 10^7
Engineering notation 2.0985239 × 10^6

Prime Factorization of 20985239

Prime Factorization 11 × 1907749

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20985239
Product of the distinct prime numbers

The prime factorization of 20985239 is 11 × 1907749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20985239)

Multiplication

n×y
n×2 41970478
n×3 62955717
n×4 83940956
n×5 104926195

Division

n÷y
n÷2 10492619.5
n÷3 6995079.6666667
n÷3 5246309.75
n÷5 4197047.8

Exponentiation

ny
n2 440380255887121
n3 9.2414849206724E+21
n4 1.9393476977521E+29
n5 4.0697674941427E+36

Nth Root

y√n
2√n 4580.9648547004
3√n 275.82776045509
4√n 67.682825404237
5√n 29.132837335596

Divisors of 20985239

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 -20985238
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 20985239 can be divided by 4 positive divisors. The sum of these divisors (counting 20985239) is 1, the average is 0.25.

Base conversion 20985239

Base System Value
2 Binary 1010000000011010110010111
3 Ternary 1110111011100002
4 Quaternary 1100003112113
5 Quinary 20333011424
6 Senary 2025441515
8 Octal 120032627
10 Decimal 20985239
12 Duodecimal 704029b
16 Hexadecimal 1403597
20 Vigesimal 6b331j
36 Base36 chsbb

Cryptographic Hash Functions

md5 9f0056a7c697ef0d3cd8fbba61763bb0
sha1 c0f449b989f5cff3a37c915738b45a54d2cd6619
sha256 419fd5ca5bb970d20d3701eb6af46f446942babc7943fdc180efa14bb38ac617
sha512 27109f828f397af1237ec606df1eba54d4a4eb53c04052273351971411892d70292e7be72848ede7a948e936d45bc197b03220da14552284b72acbd7dc889c41
ripemd-160 155fdb77f227e9427c77b3bbf2958a2ec368e42f

20985239 as geometric shapes

Circle

Radius = n
Diameter 41970478
Circumference 131854145.35245
Area 1.383495376681E+15

Sphere

Radius = n
Volume 3.8710641513394E+22
Surface area 5.5339815067239E+15
Circumference 131854145.35245

Square

Length = n
Perimeter 83940956
Area 440380255887121
Diagonal 29677609.603441

Cube

Length = n
Surface area 2642281535322726
Volume 9.2414849206724E+21
Space diagonal 36347500.156976

Equilateral Triangle

Length = n
Perimeter 62955717
Area 1.9069024446167E+14
Altitude 18173750.078488

Triangular Pyramid

Length = n
Surface area 1.9069024446167E+14
Volume 1.0891194426068E+21
Height 9892536.5344803