21131868 (number)

21131868 is an even 8-digits composite number following 21131867 and preceding 21131869. In scientific notation, it is written as 2.1131868 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6954480 positive integers (up to 21131868) that are relatively prime to 21131868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131868 × 10^7
Engineering notation 2.1131868 × 10^6

Prime Factorization of 21131868

Prime Factorization 2 × 2 × 3 × 79 × 22291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10565934
Product of the distinct prime numbers

The prime factorization of 21131868 is 2 × 2 × 3 × 79 × 22291. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 8, 99, 928, 92, 104, 9891, 25988, 8850, 481355, 709627, 2760228, 692711, 52955407, 57106576, 477068655, 620277190, 877626826, 6346900771

Basic calculations (n = 21131868)

Multiplication

n×y
n×2 42263736
n×3 63395604
n×4 84527472
n×5 105659340

Division

n÷y
n÷2 10565934
n÷3 7043956
n÷3 5282967
n÷5 4226373.6

Exponentiation

ny
n2 446555845169424
n3 9.4365591747487E+21
n4 1.9941212285498E+29
n5 4.2139506577712E+36

Nth Root

y√n
2√n 4596.9411568999
3√n 276.46869532785
4√n 67.800745990733
5√n 29.173435678048

Divisors of 21131868

1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22291, 44582, 66873, 89164, 133746, 267492, 1760989, 3521978, 5282967, 7043956, 10565934, 21131868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131868 can be divided by 24 positive divisors. The sum of these divisors (counting 21131868) is 1, the average is 0.041666666666667.

Base conversion 21131868

Base System Value
2 Binary 1010000100111001001011100
3 Ternary 1110202121110210
4 Quaternary 1100213021130
5 Quinary 20402204433
6 Senary 2032532420
8 Octal 120471134
10 Decimal 21131868
12 Duodecimal 70b1110
16 Hexadecimal 142725c
20 Vigesimal 6c19d8
36 Base36 ckxgc

Cryptographic Hash Functions

md5 be40508a3a272a04f42d79d0fdb99635
sha1 d74c9e13983ccc88341e0cef06246992092f0a30
sha256 41407849d6d29466675fe3ec3c3089f66f4171e425a683abdcb83dfa0206a9f1
sha512 6fc6d78b29152f5342f5a28497d0717801d031303a4c47ae2abc086c246003039dfa834a287a1e3290ab241204a354dc1c7a9e995bb352a71e46aa8038c100e3
ripemd-160 3414a7962fd52cb12cdec5ebcd4de3e6f549bf66

21131868 as geometric shapes

Circle

Radius = n
Diameter 42263736
Circumference 132775442.53086
Area 1.4028965626018E+15

Sphere

Radius = n
Volume 3.9527766638075E+22
Surface area 5.6115862504074E+15
Circumference 132775442.53086

Square

Length = n
Perimeter 84527472
Area 446555845169424
Diagonal 29884974.323878

Cube

Length = n
Surface area 2679335071016544
Volume 9.4365591747487E+21
Space diagonal 36601469.034839

Equilateral Triangle

Length = n
Perimeter 63395604
Area 1.9336435306258E+14
Altitude 18300734.517419

Triangular Pyramid

Length = n
Surface area 1.9336435306258E+14
Volume 1.1121091639222E+21
Height 9961658.1079593