20973978 (number)

20973978 is an even 8-digits composite number following 20973977 and preceding 20973979. In scientific notation, it is written as 2.0973978 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6991272 positive integers (up to 20973978) that are relatively prime to 20973978.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-three thousand nine hundred seventy-eight

Notation

Scientific notation 2.0973978 × 10^7
Engineering notation 2.0973978 × 10^6

Prime Factorization of 20973978

Prime Factorization 2 × 27 × 3 × 129469

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20973978
Product of the distinct prime numbers

The prime factorization of 20973978 is 2 × 27 × 3 × 129469. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 68, 91, 839, 561, 1481, 1545, 77202, 20029, 773318, 301072, 7440568, 3710511, 66097759, 93420412, 570604419, 576439356, 7618737491, 7877433089

Basic calculations (n = 20973978)

Multiplication

n×y
n×2 41947956
n×3 62921934
n×4 83895912
n×5 104869890

Division

n÷y
n÷2 10486989
n÷3 6991326
n÷3 5243494.5
n÷5 4194795.6

Exponentiation

ny
n2 439907753144484
n3 9.2266155364818E+21
n4 1.9351883127663E+29
n5 4.0588597097817E+36

Nth Root

y√n
2√n 4579.7355818868
3√n 275.77841382992
4√n 67.673743666852
5√n 29.129710039102

Divisors of 20973978

1, 2, 3, 6, 27, 54, 81, 162, 129469, 258938, 388407, 776814, 3495663, 6991326, 10486989, 20973978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20973977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20973978 can be divided by 16 positive divisors. The sum of these divisors (counting 20973978) is 1, the average is 0.0625.

Base conversion 20973978

Base System Value
2 Binary 1010000000000100110011010
3 Ternary 1110110120220000
4 Quaternary 1100000212122
5 Quinary 20332131403
6 Senary 2025313430
8 Octal 120004632
10 Decimal 20973978
12 Duodecimal 7035876
16 Hexadecimal 140099a
20 Vigesimal 6b1eii
36 Base36 chjmi

Cryptographic Hash Functions

md5 89176ec5b8c897a0c12efa0c27189724
sha1 b56dd5d5b0617b9c495a3f95865b5a099c971853
sha256 c3e376012d223968ddef2dc74219460f0764af8f468383338314614d52bea9ef
sha512 30be6223264365891561fb383f69cee69ff1cf9a6af3a330778b9d059098ebbf8ed0affcfa983ac9c053dab192486c52e7fca1de2874cab2b49c5b27ce009e74
ripemd-160 24a7163ea4c56ef0b536500aa74103a0e320ff4c

20973978 as geometric shapes

Circle

Radius = n
Diameter 41947956
Circumference 131783390.40271
Area 1.3820109655359E+15

Sphere

Radius = n
Volume 3.8648356782545E+22
Surface area 5.5280438621436E+15
Circumference 131783390.40271

Square

Length = n
Perimeter 83895912
Area 439907753144484
Diagonal 29661684.144515

Cube

Length = n
Surface area 2639446518866904
Volume 9.2266155364818E+21
Space diagonal 36327995.532832

Equilateral Triangle

Length = n
Perimeter 62921934
Area 1.9048564477243E+14
Altitude 18163997.766416

Triangular Pyramid

Length = n
Surface area 1.9048564477243E+14
Volume 1.0873670688746E+21
Height 9887228.0481716