21231668 (number)

21231668 is an even 8-digits composite number following 21231667 and preceding 21231669. In scientific notation, it is written as 2.1231668 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 10154232 positive integers (up to 21231668) that are relatively prime to 21231668.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1231668 × 10^7
Engineering notation 2.1231668 × 10^6

Prime Factorization of 21231668

Prime Factorization 2 × 2 × 23 × 230779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10615834
Product of the distinct prime numbers

The prime factorization of 21231668 is 2 × 2 × 23 × 230779. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 57, 25, 934, 842, 4493, 6520, 71279, 29746, 348127, 218282, 8471145, 6445962, 78980254, 34790941, 966762881, 453759347, 6051402928, 9906587896

Basic calculations (n = 21231668)

Multiplication

n×y
n×2 42463336
n×3 63695004
n×4 84926672
n×5 106158340

Division

n÷y
n÷2 10615834
n÷3 7077222.6666667
n÷3 5307917
n÷5 4246333.6

Exponentiation

ny
n2 450783726062224
n3 9.5708904115561E+21
n4 2.0320596768254E+29
n5 4.3144016414545E+36

Nth Root

y√n
2√n 4607.7834150489
3√n 276.90324049903
4√n 67.880655676333
5√n 29.200939392461

Divisors of 21231668

1, 2, 4, 23, 46, 92, 230779, 461558, 923116, 5307917, 10615834, 21231668

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21231667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21231668 can be divided by 12 positive divisors. The sum of these divisors (counting 21231668) is 1, the average is 0.083333333333333.

Base conversion 21231668

Base System Value
2 Binary 1010000111111100000110100
3 Ternary 1110221200101002
4 Quaternary 1100333200310
5 Quinary 20413403133
6 Senary 2035022432
8 Octal 120774064
10 Decimal 21231668
12 Duodecimal 713aa18
16 Hexadecimal 143f834
20 Vigesimal 6cdj38
36 Base36 cn2gk

Cryptographic Hash Functions

md5 66702d711899e4ce4a6659340886ad11
sha1 1f36734ab92758ecbdf8b449a5d1b2e9e0cda858
sha256 c9165559ae3aa025c868e3e21245cf5ac05532cf09950ecf3165ca05f745acdd
sha512 fe9b7cbd8fd8c034d4471b2b821f9c6dd4def69ac9f6cf6c017388e1ff59eb33b6dd9d652700373483a1426e73a397fe46b7d1bd17fa99febc198a61d0aba498
ripemd-160 1b252e998b35b065f4c8d7efbadcd821574cc58f

21231668 as geometric shapes

Circle

Radius = n
Diameter 42463336
Circumference 133402504.42451
Area 1.4161788421549E+15

Sphere

Radius = n
Volume 4.009045200701E+22
Surface area 5.6647153686197E+15
Circumference 133402504.42451

Square

Length = n
Perimeter 84926672
Area 450783726062224
Diagonal 30026112.837403

Cube

Length = n
Surface area 2704702356373344
Volume 9.5708904115561E+21
Space diagonal 36774327.705434

Equilateral Triangle

Length = n
Perimeter 63695004
Area 1.9519507919125E+14
Altitude 18387163.852717

Triangular Pyramid

Length = n
Surface area 1.9519507919125E+14
Volume 1.1279402520008E+21
Height 10008704.279134