21123885 (number)

21123885 is an odd 8-digits composite number following 21123884 and preceding 21123886. In scientific notation, it is written as 2.1123885 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11235840 positive integers (up to 21123885) that are relatively prime to 21123885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1123885 × 10^7
Engineering notation 2.1123885 × 10^6

Prime Factorization of 21123885

Prime Factorization 15 × 419 × 3361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21123885
Product of the distinct prime numbers

The prime factorization of 21123885 is 15 × 419 × 3361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21123885)

Multiplication

n×y
n×2 42247770
n×3 63371655
n×4 84495540
n×5 105619425

Division

n÷y
n÷2 10561942.5
n÷3 7041295
n÷3 5280971.25
n÷5 4224777

Exponentiation

ny
n2 446218517493225
n3 9.4258686483974E+21
n4 1.9911096535385E+29
n5 4.2059971343737E+36

Nth Root

y√n
2√n 4596.0727801026
3√n 276.43387702132
4√n 67.794341800054
5√n 29.171231171217

Divisors of 21123885

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 -21123884
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 21123885 can be divided by 8 positive divisors. The sum of these divisors (counting 21123885) is 1, the average is 0.125.

Base conversion 21123885

Base System Value
2 Binary 1010000100101001100101101
3 Ternary 1110202012112010
4 Quaternary 1100211030231
5 Quinary 20401431020
6 Senary 2032431433
8 Octal 120451455
10 Decimal 21123885
12 Duodecimal 70a8579
16 Hexadecimal 142532d
20 Vigesimal 6c09e5
36 Base36 ckral

Cryptographic Hash Functions

md5 2cc52e36d52fbe71905af101c1d2adb5
sha1 d930c82dd2a27a17242b22f89e9d3228cc476b33
sha256 5bc63971b6d72450235843e40e78fb50f7dc3f3e9a51fb69171f092c8f60d761
sha512 8117bedc24e9962becba9b9a28b8ce919bb92b1baaf2f6645c5fa69011c901ebdfbebe0ae62643de9f55f9eb788e9367a9840c3bfd7432df2d0b8ceb73907185
ripemd-160 4d7b89798b3db052cb65ba8ccbabcefe5a9adb4c

21123885 as geometric shapes

Circle

Radius = n
Diameter 42247770
Circumference 132725283.86255
Area 1.4018368164524E+15

Sphere

Radius = n
Volume 3.948298626601E+22
Surface area 5.6073472658098E+15
Circumference 132725283.86255

Square

Length = n
Perimeter 84495540
Area 446218517493225
Diagonal 29873684.65701

Cube

Length = n
Surface area 2677311104959350
Volume 9.4258686483974E+21
Space diagonal 36587642.073242

Equilateral Triangle

Length = n
Perimeter 63371655
Area 1.9321828589408E+14
Altitude 18293821.036621

Triangular Pyramid

Length = n
Surface area 1.9321828589408E+14
Volume 1.1108492733092E+21
Height 9957894.8856699