21000280 (number)

21000280 is an even 8-digits composite number following 21000279 and preceding 21000281. In scientific notation, it is written as 2.1000280 × 10^7. The sum of its digits is 13. It has a total of 6 prime factors and 32 positive divisors. There are 7142784 positive integers (up to 21000280) that are relatively prime to 21000280.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty

Notation

Scientific notation 2.1000280 × 10^7
Engineering notation 2.1000280 × 10^6

Prime Factorization of 21000280

Prime Factorization 2 × 2 × 2 × 35 × 179 × 419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5250070
Product of the distinct prime numbers

The prime factorization of 21000280 is 2 × 2 × 2 × 35 × 179 × 419. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 8, 67, 87, 189, 303, 6641, 6326, 84730, 97413, 255339, 798071, 2958820, 1687784, 78066500, 74155910, 343964247, 854082764, 3556547795, 5889311271

Basic calculations (n = 21000280)

Multiplication

n×y
n×2 42000560
n×3 63000840
n×4 84001120
n×5 105001400

Division

n÷y
n÷2 10500140
n÷3 7000093.3333333
n÷3 5250070
n÷5 4200056

Exponentiation

ny
n2 441011760078400
n3 9.2613704449392E+21
n4 1.9449137252745E+29
n5 4.0843732806607E+36

Nth Root

y√n
2√n 4582.6062453586
3√n 275.89364382119
4√n 67.694949925077
5√n 29.13701228384

Divisors of 21000280

1, 2, 4, 8, 35, 70, 140, 179, 280, 358, 419, 716, 838, 1432, 1676, 3352, 6265, 12530, 14665, 25060, 29330, 50120, 58660, 75001, 117320, 150002, 300004, 600008, 2625035, 5250070, 10500140, 21000280

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 -21000279
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 21000280 can be divided by 32 positive divisors. The sum of these divisors (counting 21000280) is 1, the average is 0.03125.

Base conversion 21000280

Base System Value
2 Binary 1010000000111000001011000
3 Ternary 1110111220222011
4 Quaternary 1100013001120
5 Quinary 20334002110
6 Senary 2030035304
8 Octal 120070130
10 Decimal 21000280
12 Duodecimal 7048b34
16 Hexadecimal 1407058
20 Vigesimal 6b50e0
36 Base36 ci3x4

Cryptographic Hash Functions

md5 7d88e9b36a7b9157f95066f3a321dc5a
sha1 f21c82a7591f73611ddbcb433a9cc02d245e2230
sha256 3608f86b507eb10356cbe405bf302271f7bdbea54d5c17e13b711398a0fdd2c3
sha512 4fb6d10b199afd9d653d3c87c7fc81174b4cc4d69f6b8208662e4d118242df76cd2e04dd52dc47aa87518b99d6b16587307c8cec26214774606c53f72a5cdb26
ripemd-160 138c7b880cc86c49bbcd99a542beeea85ac11140

21000280 as geometric shapes

Circle

Radius = n
Diameter 42000560
Circumference 131948650.74266
Area 1.385479305609E+15

Sphere

Radius = n
Volume 3.879393780266E+22
Surface area 5.541917222436E+15
Circumference 131948650.74266

Square

Length = n
Perimeter 84001120
Area 441011760078400
Diagonal 29698880.789632

Cube

Length = n
Surface area 2646070560470400
Volume 9.2613704449392E+21
Space diagonal 36373551.933173

Equilateral Triangle

Length = n
Perimeter 63000840
Area 1.9096369379779E+14
Altitude 18186775.966586

Triangular Pyramid

Length = n
Surface area 1.9096369379779E+14
Volume 1.0914629741162E+21
Height 9899626.9298775