21485280 (number)

21485280 is an even 8-digits composite number following 21485279 and preceding 21485281. In scientific notation, it is written as 2.1485280 × 10^7. The sum of its digits is 30. It has a total of 9 prime factors and 96 positive divisors. There are 5390336 positive integers (up to 21485280) that are relatively prime to 21485280.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-five thousand two hundred eighty

Notation

Scientific notation 2.1485280 × 10^7
Engineering notation 2.1485280 × 10^6

Prime Factorization of 21485280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 17 × 3 × 2633

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1342830
Product of the distinct prime numbers

The prime factorization of 21485280 is 2 × 2 × 2 × 2 × 2 × 5 × 17 × 3 × 2633. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 6, 86, 28, 817, 751, 9500, 2733, 7621, 68736, 38055, 532552, 8267847, 481595, 94386632, 34760287, 221066403, 171534578, 2200221728, 316098811

Basic calculations (n = 21485280)

Multiplication

n×y
n×2 42970560
n×3 64455840
n×4 85941120
n×5 107426400

Division

n÷y
n÷2 10742640
n÷3 7161760
n÷3 5371320
n÷5 4297056

Exponentiation

ny
n2 461617256678400
n3 9.9179760125673E+21
n4 2.1309049166329E+29
n5 4.5783088787235E+36

Nth Root

y√n
2√n 4635.2216775468
3√n 278.00141468838
4√n 68.082462334634
5√n 29.270369412769

Divisors of 21485280

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2633, 2720, 4080, 5266, 7899, 8160, 10532, 13165, 15798, 21064, 26330, 31596, 39495, 42128, 44761, 52660, 63192, 78990, 84256, 89522, 105320, 126384, 134283, 157980, 179044, 210640, 223805, 252768, 268566, 315960, 358088, 421280, 447610, 537132, 631920, 671415, 716176, 895220, 1074264, 1263840, 1342830, 1432352, 1790440, 2148528, 2685660, 3580880, 4297056, 5371320, 7161760, 10742640, 21485280

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21485279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21485280 can be divided by 96 positive divisors. The sum of these divisors (counting 21485280) is 1, the average is 0.010416666666667.

Base conversion 21485280

Base System Value
2 Binary 1010001111101011011100000
3 Ternary 1111102120021010
4 Quaternary 1101331123200
5 Quinary 21000012110
6 Senary 2044300520
8 Octal 121753340
10 Decimal 21485280
12 Duodecimal 7241740
16 Hexadecimal 147d6e0
20 Vigesimal 6e5d40
36 Base36 csi5c

Cryptographic Hash Functions

md5 17f886f11855e37689f3ebc15d236257
sha1 4da491e749353cc1ae709773a4ea27206cf49a18
sha256 58024d844774cb2527a045a9c64423afed454e56778344a0797cb08e53404394
sha512 4c04ce6d767d2e5ccfcc1c28734d7ba0a1faaec7b0aafcefd48360ab77976590d68d9fdee1ce73e89a461deac9de01322f2340b8ffe459e19db3f9ef230e5f75
ripemd-160 829f81219e8520ef4dc947ab1294db949d532f3b

21485280 as geometric shapes

Circle

Radius = n
Diameter 42970560
Circumference 134995995.61664
Area 1.4502133823511E+15

Sphere

Radius = n
Volume 4.1544320772748E+22
Surface area 5.8008535294045E+15
Circumference 134995995.61664

Square

Length = n
Perimeter 85941120
Area 461617256678400
Diagonal 30384774.367383

Cube

Length = n
Surface area 2769703540070400
Volume 9.9179760125673E+21
Space diagonal 37213596.574843

Equilateral Triangle

Length = n
Perimeter 64455840
Area 1.9988613555439E+14
Altitude 18606798.287422

Triangular Pyramid

Length = n
Surface area 1.9988613555439E+14
Volume 1.1688446823553E+21
Height 10128258.122461