21031868 (number)

21031868 is an even 8-digits composite number following 21031867 and preceding 21031869. In scientific notation, it is written as 2.1031868 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 48 positive divisors. There are 8698560 positive integers (up to 21031868) that are relatively prime to 21031868.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred sixty-eight

Notation

Scientific notation 2.1031868 × 10^7
Engineering notation 2.1031868 × 10^6

Prime Factorization of 21031868

Prime Factorization 2 × 2 × 11 × 13 × 83 × 443

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10515934
Product of the distinct prime numbers

The prime factorization of 21031868 is 2 × 2 × 11 × 13 × 83 × 443. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 9, 18, 15, 429, 528, 3311, 2062, 23349, 18191, 997808, 153760, 7290322, 7563383, 44077327, 58900301, 762729147, 520128592, 8758012231, 4163988400

Basic calculations (n = 21031868)

Multiplication

n×y
n×2 42063736
n×3 63095604
n×4 84127472
n×5 105159340

Division

n÷y
n÷2 10515934
n÷3 7010622.6666667
n÷3 5257967
n÷5 4206373.6

Exponentiation

ny
n2 442339471569424
n3 9.3032253772379E+21
n4 1.9566420810832E+29
n5 4.1151837972587E+36

Nth Root

y√n
2√n 4586.0514606794
3√n 276.03190487437
4√n 67.720391764072
5√n 29.145772421133

Divisors of 21031868

1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 443, 572, 886, 913, 1079, 1772, 1826, 2158, 3652, 4316, 4873, 5759, 9746, 11518, 11869, 19492, 23036, 23738, 36769, 47476, 63349, 73538, 126698, 147076, 253396, 404459, 477997, 808918, 955994, 1617836, 1911988, 5257967, 10515934, 21031868

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031868 can be divided by 48 positive divisors. The sum of these divisors (counting 21031868) is 1, the average is 0.020833333333333.

Base conversion 21031868

Base System Value
2 Binary 1010000001110101110111100
3 Ternary 1110120112022002
4 Quaternary 1100032232330
5 Quinary 20341004433
6 Senary 2030441432
8 Octal 120165674
10 Decimal 21031868
12 Duodecimal 7063278
16 Hexadecimal 140ebbc
20 Vigesimal 6b8jd8
36 Base36 cisak

Cryptographic Hash Functions

md5 522b9d363de88ca08248549cfc2a9532
sha1 b616e3199e23cecfa81ba12a561e480c04a6d9f6
sha256 ed981e54c76fe83a29b1941bae821ddbf608a66cac51f68a879a1a94fd488894
sha512 934f9cfb5480c0395af2e9ae854f9c963a8dc60935ca7660bad9d83cd3b3aaccade7fd5aec0dc51a0e0248b0f7b041d7a6cc75282c25a3ba91144471d4773e7c
ripemd-160 56f0fd99e2f9074240bef7b19106ad9da4827f2e

21031868 as geometric shapes

Circle

Radius = n
Diameter 42063736
Circumference 132147124.00014
Area 1.3896504342753E+15

Sphere

Radius = n
Volume 3.8969259333094E+22
Surface area 5.5586017371012E+15
Circumference 132147124.00014

Square

Length = n
Perimeter 84127472
Area 442339471569424
Diagonal 29743552.967641

Cube

Length = n
Surface area 2654036829416544
Volume 9.3032253772379E+21
Space diagonal 36428263.954082

Equilateral Triangle

Length = n
Perimeter 63095604
Area 1.9153860973785E+14
Altitude 18214131.977041

Triangular Pyramid

Length = n
Surface area 1.9153860973785E+14
Volume 1.0963956251919E+21
Height 9914517.6558802