21863985 (number)

21863985 is an odd 8-digits composite number following 21863984 and preceding 21863986. In scientific notation, it is written as 2.1863985 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9784320 positive integers (up to 21863985) that are relatively prime to 21863985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1863985 × 10^7
Engineering notation 2.1863985 × 10^6

Prime Factorization of 21863985

Prime Factorization 5 × 33 × 13 × 10193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21863985
Product of the distinct prime numbers

The prime factorization of 21863985 is 5 × 33 × 13 × 10193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 39, 61, 577, 511, 9804, 3826, 28575, 48849, 536058, 817666, 3572363, 8541405, 4625378, 24669937, 258909131, 2860620, 9795259698, 6030339580

Basic calculations (n = 21863985)

Multiplication

n×y
n×2 43727970
n×3 65591955
n×4 87455940
n×5 109319925

Division

n÷y
n÷2 10931992.5
n÷3 7287995
n÷3 5465996.25
n÷5 4372797

Exponentiation

ny
n2 478033840080225
n3 1.0451724709006E+22
n4 2.2851635226185E+29
n5 4.9962780981077E+36

Nth Root

y√n
2√n 4675.8940321611
3√n 279.62528532014
4√n 68.380509154006
5√n 29.372834896771

Divisors of 21863985

1, 5, 13, 33, 65, 165, 429, 2145, 10193, 50965, 132509, 336369, 662545, 1681845, 4372797, 21863985

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 -21863984
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 21863985 can be divided by 16 positive divisors. The sum of these divisors (counting 21863985) is 1, the average is 0.0625.

Base conversion 21863985

Base System Value
2 Binary 1010011011001111000110001
3 Ternary 1112010210202020
4 Quaternary 1103121320301
5 Quinary 21044121420
6 Senary 2100342053
8 Octal 123317061
10 Decimal 21863985
12 Duodecimal 73a4929
16 Hexadecimal 14d9e31
20 Vigesimal 6gcjj5
36 Base36 d0mcx

Cryptographic Hash Functions

md5 0477cc4e73040b905f2bdae55c4ebd78
sha1 b34319b1570a2fc36ba41451177cb174e20d8bea
sha256 4e909c0ba8da649c1b99ac08a88e346d1126d3817f27292ac254c50010747cf1
sha512 5210849e191b2e5ef07b311c5f0f407d29d339d7c4ea575f05310cb21e926edf659c30a6a2b6b40a5ae4356ab1eaab6fe6415eedd0273df09cb9ca06c262abef
ripemd-160 9d214666efbf0cc5dd987b694226b1921583a1ed

21863985 as geometric shapes

Circle

Radius = n
Diameter 43727970
Circumference 137375469.30839
Area 1.5017876001634E+15

Sphere

Radius = n
Volume 4.378008208421E+22
Surface area 6.0071504006534E+15
Circumference 137375469.30839

Square

Length = n
Perimeter 87455940
Area 478033840080225
Diagonal 30920344.114522

Cube

Length = n
Surface area 2868203040481350
Volume 1.0451724709006E+22
Space diagonal 37869532.875924

Equilateral Triangle

Length = n
Perimeter 65591955
Area 2.0699472468905E+14
Altitude 18934766.437962

Triangular Pyramid

Length = n
Surface area 2.0699472468905E+14
Volume 1.2317475694722E+21
Height 10306781.371507