21361285 (number)

21361285 is an odd 8-digits composite number following 21361284 and preceding 21361286. In scientific notation, it is written as 2.1361285 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15278400 positive integers (up to 21361285) that are relatively prime to 21361285.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-one thousand two hundred eighty-five

Notation

Scientific notation 2.1361285 × 10^7
Engineering notation 2.1361285 × 10^6

Prime Factorization of 21361285

Prime Factorization 11 × 5 × 61 × 6367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21361285
Product of the distinct prime numbers

The prime factorization of 21361285 is 11 × 5 × 61 × 6367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 9, 34, 187, 546, 9873, 2699, 60962, 80102, 683422, 505560, 2393118, 7825320, 47958295, 74401868, 674574076, 788361799, 1746909807, 68185984

Basic calculations (n = 21361285)

Multiplication

n×y
n×2 42722570
n×3 64083855
n×4 85445140
n×5 106806425

Division

n÷y
n÷2 10680642.5
n÷3 7120428.3333333
n÷3 5340321.25
n÷5 4272257

Exponentiation

ny
n2 456304496851225
n3 9.7472504040206E+21
n4 2.0821379384665E+29
n5 4.4477141912895E+36

Nth Root

y√n
2√n 4621.8270196969
3√n 277.4655856465
4√n 67.98402032608
5√n 29.236506350458

Divisors of 21361285

1, 5, 11, 55, 61, 305, 671, 3355, 6367, 31835, 70037, 350185, 388387, 1941935, 4272257, 21361285

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 -21361284
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 21361285 can be divided by 16 positive divisors. The sum of these divisors (counting 21361285) is 1, the average is 0.0625.

Base conversion 21361285

Base System Value
2 Binary 1010001011111001010000101
3 Ternary 1111012021011201
4 Quaternary 1101133022011
5 Quinary 20432030120
6 Senary 2041502501
8 Octal 121371205
10 Decimal 21361285
12 Duodecimal 71a1a31
16 Hexadecimal 145f285
20 Vigesimal 6da345
36 Base36 cpuh1

Cryptographic Hash Functions

md5 ca8034de0a1c4ba2fcf69c31b525d924
sha1 4cc419a2cd5d12c6f733827137aabcbbd5e1e7ed
sha256 2f9877d4918555b1e6dcb26a9b397b27d01e9d0ebc5aadf2ac2242df4a4544a6
sha512 4611f1ec6922f816e8d67cd1c2854ec7f302a54b20d39ee5f742325573403406674437188e73957128b27fb722ee014571fbd14a53d4e561d7c8d63ccf339ce3
ripemd-160 c29a165915e551d041fc261bc44efecf0683e194

21361285 as geometric shapes

Circle

Radius = n
Diameter 42722570
Circumference 134216912.05448
Area 1.4335228551078E+15

Sphere

Radius = n
Volume 4.0829187015962E+22
Surface area 5.7340914204312E+15
Circumference 134216912.05448

Square

Length = n
Perimeter 85445140
Area 456304496851225
Diagonal 30209418.956717

Cube

Length = n
Surface area 2737826981107350
Volume 9.7472504040206E+21
Space diagonal 36998830.934959

Equilateral Triangle

Length = n
Perimeter 64083855
Area 1.9758564306712E+14
Altitude 18499415.467479

Triangular Pyramid

Length = n
Surface area 1.9758564306712E+14
Volume 1.1487244764344E+21
Height 10069806.318906