20001280 (number)

20001280 is an even 8-digits composite number following 20001279 and preceding 20001281. In scientific notation, it is written as 2.0001280 × 10^7. The sum of its digits is 13. It has a total of 12 prime factors and 80 positive divisors. There are 7372800 positive integers (up to 20001280) that are relatively prime to 20001280.

Interesting facts

Basic properties

Name

Name twenty million one thousand two hundred eighty

Notation

Scientific notation 2.0001280 × 10^7
Engineering notation 2.0001280 × 10^6

Prime Factorization of 20001280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 78130
Product of the distinct prime numbers

The prime factorization of 20001280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 601. Since it has a total of 12 prime factors.

Most popular turbo-numbers

9, 6, 97, 19, 590, 974, 534, 7865, 62646, 45319, 160779, 216887, 5389434, 5631409, 8056999, 35956994, 228552542, 531042651, 8781282138, 7533171626

Basic calculations (n = 20001280)

Multiplication

n×y
n×2 40002560
n×3 60003840
n×4 80005120
n×5 100006400

Division

n÷y
n÷2 10000640
n÷3 6667093.3333333
n÷3 5000320
n÷5 4000256

Exponentiation

ny
n2 400051201638400
n3 8.0015360983061E+21
n4 1.6004096393233E+29
n5 3.2010241310804E+36

Nth Root

y√n
2√n 4472.2790610605
3√n 271.44755229354
4√n 66.875100456451
5√n 28.854367439866

Divisors of 20001280

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 601, 640, 832, 1040, 1202, 1280, 1664, 2080, 2404, 2560, 3005, 3328, 4160, 4808, 6010, 6656, 7813, 8320, 9616, 12020, 15626, 16640, 19232, 24040, 31252, 33280, 38464, 39065, 48080, 62504, 76928, 78130, 96160, 125008, 153856, 156260, 192320, 250016, 307712, 312520, 384640, 500032, 625040, 769280, 1000064, 1250080, 1538560, 2000128, 2500160, 4000256, 5000320, 10000640, 20001280

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001280 can be divided by 80 positive divisors. The sum of these divisors (counting 20001280) is 1, the average is 0.0125.

Base conversion 20001280

Base System Value
2 Binary 1001100010011001000000000
3 Ternary 1101122011121011
4 Quaternary 1030103020000
5 Quinary 20110020110
6 Senary 1552410304
8 Octal 114231000
10 Decimal 20001280
12 Duodecimal 6846994
16 Hexadecimal 1313200
20 Vigesimal 650340
36 Base36 bwp34

Cryptographic Hash Functions

md5 291da47d5983ceca004c1a3ac8519fa4
sha1 df49a5d682b95ae3952f3a39879804ac1ca0b8df
sha256 b159cdaef85a82287414d2a5bbf3b438bc2d05f81db43045051c867d8993d9e1
sha512 791b0772ca541b7841d097aedcf37a6193538b9b3983e6087aa85e9d3860d0c02263cab28cc4f132d5fe575002aec63b23c92eb1713ab547a3afc8d34b647526
ripemd-160 3a46d5c26b4846c63ef91fc164af0376e3906119

20001280 as geometric shapes

Circle

Radius = n
Diameter 40002560
Circumference 125671748.62078
Area 1.256797916127E+15

Sphere

Radius = n
Volume 3.3516756031829E+22
Surface area 5.0271916645079E+15
Circumference 125671748.62078

Square

Length = n
Perimeter 80005120
Area 400051201638400
Diagonal 28286081.440822

Cube

Length = n
Surface area 2400307209830400
Volume 8.0015360983061E+21
Space diagonal 34643233.176411

Equilateral Triangle

Length = n
Perimeter 60003840
Area 1.7322725171667E+14
Altitude 17321616.588206

Triangular Pyramid

Length = n
Surface area 1.7322725171667E+14
Volume 9.4299007250353E+20
Height 9428693.8136072