20396987 (number)

20396987 is an odd 8-digits composite number following 20396986 and preceding 20396988. In scientific notation, it is written as 2.0396987 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 18643968 positive integers (up to 20396987) that are relatively prime to 20396987.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.0396987 × 10^7
Engineering notation 2.0396987 × 10^6

Prime Factorization of 20396987

Prime Factorization 13 × 103 × 15233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20396987
Product of the distinct prime numbers

The prime factorization of 20396987 is 13 × 103 × 15233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20396987)

Multiplication

n×y
n×2 40793974
n×3 61190961
n×4 81587948
n×5 101984935

Division

n÷y
n÷2 10198493.5
n÷3 6798995.6666667
n÷3 5099246.75
n÷5 4079397.4

Exponentiation

ny
n2 416037078678169
n3 8.4859028853166E+21
n4 1.7308685083506E+29
n5 3.5304502463538E+36

Nth Root

y√n
2√n 4516.3023592315
3√n 273.22598881578
4√n 67.203440084801
5√n 28.967645952436

Divisors of 20396987

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 -20396986
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 20396987 can be divided by 8 positive divisors. The sum of these divisors (counting 20396987) is 1, the average is 0.125.

Base conversion 20396987

Base System Value
2 Binary 1001101110011101110111011
3 Ternary 1102101021101222
4 Quaternary 1031303232323
5 Quinary 20210200422
6 Senary 2005102255
8 Octal 115635673
10 Decimal 20396987
12 Duodecimal 69b798b
16 Hexadecimal 1373bbb
20 Vigesimal 679c97
36 Base36 c56ez

Cryptographic Hash Functions

md5 ba2a1d39d42e34da91b875591c62990f
sha1 529894fd213cf914a63e1c5890214023b434a7b0
sha256 57a0e08ccc747d96c37962eb39ef4c82173f1f8a759917511d140bd4677db47a
sha512 98452d91672c42168a43aabbc9804d8f1c962f2458f4b062efae8d3cbb42353b6d30bea6946a046a35f2a1d59bf0e9a18cfcdd3e89b096ba31ba8774be2897f0
ripemd-160 18f27eaa30f9f4c97773ea2826182db31db34a9e

20396987 as geometric shapes

Circle

Radius = n
Diameter 40793974
Circumference 128158049.02913
Area 1.3070190299963E+15

Sphere

Radius = n
Volume 3.5545666884783E+22
Surface area 5.2280761199852E+15
Circumference 128158049.02913

Square

Length = n
Perimeter 81587948
Area 416037078678169
Diagonal 28845695.646948

Cube

Length = n
Surface area 2496222472069014
Volume 8.4859028853166E+21
Space diagonal 35328617.805322

Equilateral Triangle

Length = n
Perimeter 61190961
Area 1.8014933952578E+14
Altitude 17664308.902661

Triangular Pyramid

Length = n
Surface area 1.8014933952578E+14
Volume 1.000073245783E+21
Height 9615231.8823159