21363985 (number)

21363985 is an odd 8-digits composite number following 21363984 and preceding 21363986. In scientific notation, it is written as 2.1363985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 15648768 positive integers (up to 21363985) that are relatively prime to 21363985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1363985 × 10^7
Engineering notation 2.1363985 × 10^6

Prime Factorization of 21363985

Prime Factorization 17 × 185 × 6793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21363985
Product of the distinct prime numbers

The prime factorization of 21363985 is 17 × 185 × 6793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 39, 79, 992, 350, 8324, 1542, 69706, 34140, 811957, 454263, 4612735, 3973720, 93370336, 80237295, 617259741, 161087715, 7795660302, 7249221484

Basic calculations (n = 21363985)

Multiplication

n×y
n×2 42727970
n×3 64091955
n×4 85455940
n×5 106819925

Division

n÷y
n÷2 10681992.5
n÷3 7121328.3333333
n÷3 5340996.25
n÷5 4272797

Exponentiation

ny
n2 456419855080225
n3 9.7509469376361E+21
n4 2.0831908411145E+29
n5 4.4505257881708E+36

Nth Root

y√n
2√n 4622.1191027493
3√n 277.4772754164
4√n 67.986168466456
5√n 29.237245393792

Divisors of 21363985

1, 17, 185, 3145, 6793, 115481, 1256705, 21363985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21363984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21363985 can be divided by 8 positive divisors. The sum of these divisors (counting 21363985) is 1, the average is 0.125.

Base conversion 21363985

Base System Value
2 Binary 1010001011111110100010001
3 Ternary 1111012101212201
4 Quaternary 1101133310101
5 Quinary 20432121420
6 Senary 2041523201
8 Octal 121376421
10 Decimal 21363985
12 Duodecimal 71a3501
16 Hexadecimal 145fd11
20 Vigesimal 6da9j5
36 Base36 cpwk1

Cryptographic Hash Functions

md5 4e0ed9691ab6e738eb3316027c51359a
sha1 49239d2f737e5e7966fc1b849e9fdaca36c24657
sha256 c29e1544df1f51580fd09969e8c69b4534459fd04164957819274a81ffca2068
sha512 d2c0ead3488471c94c9054e9b062c19d4ad575a9967ef630ca25a024e53cdd558b79c05c06b61944f1b75b46b3d9fdee63009784df5eac3411ca3e43786167d4
ripemd-160 dd4226358b705c567b55a613ccd5bd98873c3881

21363985 as geometric shapes

Circle

Radius = n
Diameter 42727970
Circumference 134233876.65481
Area 1.4338852636726E+15

Sphere

Radius = n
Volume 4.0844671019762E+22
Surface area 5.7355410546902E+15
Circumference 134233876.65481

Square

Length = n
Perimeter 85455940
Area 456419855080225
Diagonal 30213237.333335

Cube

Length = n
Surface area 2738519130481350
Volume 9.7509469376361E+21
Space diagonal 37003507.472139

Equilateral Triangle

Length = n
Perimeter 64091955
Area 1.9763559464554E+14
Altitude 18501753.73607

Triangular Pyramid

Length = n
Surface area 1.9763559464554E+14
Volume 1.1491601170988E+21
Height 10071079.111112