20397984 (number)

20397984 is an even 8-digits composite number following 20397983 and preceding 20397985. In scientific notation, it is written as 2.0397984 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 24 positive divisors. There are 6799296 positive integers (up to 20397984) that are relatively prime to 20397984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0397984 × 10^7
Engineering notation 2.0397984 × 10^6

Prime Factorization of 20397984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 212479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1274874
Product of the distinct prime numbers

The prime factorization of 20397984 is 2 × 2 × 2 × 2 × 2 × 3 × 212479. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 7, 39, 428, 158, 981, 8093, 48082, 21523, 812720, 283843, 660945, 8272083, 33153415, 90707904, 970553261, 281058603, 189089174, 5774639155

Basic calculations (n = 20397984)

Multiplication

n×y
n×2 40795968
n×3 61193952
n×4 81591936
n×5 101989920

Division

n÷y
n÷2 10198992
n÷3 6799328
n÷3 5099496
n÷5 4079596.8

Exponentiation

ny
n2 416077751264256
n3 8.4871473130443E+21
n4 1.7312069509712E+29
n5 3.5313131686599E+36

Nth Root

y√n
2√n 4516.4127357893
3√n 273.23044048427
4√n 67.204261291895
5√n 28.967929133264

Divisors of 20397984

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 212479, 424958, 637437, 849916, 1274874, 1699832, 2549748, 3399664, 5099496, 6799328, 10198992, 20397984

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20397983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20397984 can be divided by 24 positive divisors. The sum of these divisors (counting 20397984) is 1, the average is 0.041666666666667.

Base conversion 20397984

Base System Value
2 Binary 1001101110011111110100000
3 Ternary 1102101022202220
4 Quaternary 1031303332200
5 Quinary 20210213414
6 Senary 2005111040
8 Octal 115637640
10 Decimal 20397984
12 Duodecimal 69b8480
16 Hexadecimal 1373fa0
20 Vigesimal 679ej4
36 Base36 c576o

Cryptographic Hash Functions

md5 d8b9c56e0e3964a01a543675ca588e23
sha1 4de75852edd5bd78936c835d047c28df08b1cfd0
sha256 b6778a55f1d2914f59a3f929b4b63828ff239ee0e7271a91e9f80cb934c91e92
sha512 a00ac9c33a753c1fa84d33f90e78c57ce21280c27017d2be6cc1be12ca3bf5b9f13fe08b3cd2010207eea08cb59fde89baf9d3e0ca5eee6818e0d0400acb5fd0
ripemd-160 e24026e8274a64a3ad16afe37d5b30c99e5dc151

20397984 as geometric shapes

Circle

Radius = n
Diameter 40795968
Circumference 128164313.36488
Area 1.3071468066939E+15

Sphere

Radius = n
Volume 3.5550879531459E+22
Surface area 5.2285872267758E+15
Circumference 128164313.36488

Square

Length = n
Perimeter 81591936
Area 416077751264256
Diagonal 28847105.617869

Cube

Length = n
Surface area 2496466507585536
Volume 8.4871473130443E+21
Space diagonal 35330344.659977

Equilateral Triangle

Length = n
Perimeter 61193952
Area 1.8016695127217E+14
Altitude 17665172.329989

Triangular Pyramid

Length = n
Surface area 1.8016695127217E+14
Volume 1.0002199029971E+21
Height 9615701.8726231