20897946 (number)

20897946 is an even 8-digits composite number following 20897945 and preceding 20897947. In scientific notation, it is written as 2.0897946 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 6795360 positive integers (up to 20897946) that are relatively prime to 20897946.

Interesting facts

Basic properties

Name

Name twenty million eight hundred ninety-seven thousand nine hundred forty-six

Notation

Scientific notation 2.0897946 × 10^7
Engineering notation 2.0897946 × 10^6

Prime Factorization of 20897946

Prime Factorization 2 × 3 × 3 × 3 × 41 × 9439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2321994
Product of the distinct prime numbers

The prime factorization of 20897946 is 2 × 3 × 3 × 3 × 41 × 9439. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 53, 24, 473, 938, 8923, 2303, 82647, 18519, 931640, 956206, 6116525, 3427162, 67193577, 85965053, 726875106, 436750261, 5248719305, 6030297197

Basic calculations (n = 20897946)

Multiplication

n×y
n×2 41795892
n×3 62693838
n×4 83591784
n×5 104489730

Division

n÷y
n÷2 10448973
n÷3 6965982
n÷3 5224486.5
n÷5 4179589.2

Exponentiation

ny
n2 436724147018916
n3 9.1266376412974E+21
n4 1.907279805894E+29
n5 3.9858230390463E+36

Nth Root

y√n
2√n 4571.4271294641
3√n 275.44477226912
4√n 67.612329714809
5√n 29.108559939503

Divisors of 20897946

1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9439, 18878, 28317, 56634, 84951, 169902, 254853, 386999, 509706, 773998, 1160997, 2321994, 3482991, 6965982, 10448973, 20897946

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20897945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20897946 can be divided by 32 positive divisors. The sum of these divisors (counting 20897946) is 1, the average is 0.03125.

Base conversion 20897946

Base System Value
2 Binary 1001111101110000010011010
3 Ternary 1110022201121000
4 Quaternary 1033232002122
5 Quinary 20322213241
6 Senary 2023525430
8 Octal 117560232
10 Decimal 20897946
12 Duodecimal 6bb9876
16 Hexadecimal 13ee09a
20 Vigesimal 6ac4h6
36 Base36 cfwyi

Cryptographic Hash Functions

md5 c8706e3775b18b127a73eeeec459ac26
sha1 14cf9998a88188c7bbdabccacab7b03c6abca365
sha256 fa8944ca6a288e18290afcb26744879ab52701cc5adeef5be67f0b8fb8ac6286
sha512 2320b76dee4d3d49465d41ab99310d244d7d4083f2c9d2106e26f967ad46560de00c970828e25f4f6cc08202e5b767462df54a93e5eec1f8736582dc4eb03f38
ripemd-160 489596673acd918884038de70904acbe07907f9b

20897946 as geometric shapes

Circle

Radius = n
Diameter 41795892
Circumference 131305667.25743
Area 1.3720093719199E+15

Sphere

Radius = n
Volume 3.8229570354501E+22
Surface area 5.4880374876796E+15
Circumference 131305667.25743

Square

Length = n
Perimeter 83591784
Area 436724147018916
Diagonal 29554158.658941

Cube

Length = n
Surface area 2620344882113496
Volume 9.1266376412974E+21
Space diagonal 36196304.245831

Equilateral Triangle

Length = n
Perimeter 62693838
Area 1.8910710288224E+14
Altitude 18098152.122915

Triangular Pyramid

Length = n
Surface area 1.8910710288224E+14
Volume 1.0755845609323E+21
Height 9851386.2196469