21132840 (number)

21132840 is an even 8-digits composite number following 21132839 and preceding 21132841. In scientific notation, it is written as 2.1132840 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 5541120 positive integers (up to 21132840) that are relatively prime to 21132840.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand eight hundred forty

Notation

Scientific notation 2.1132840 × 10^7
Engineering notation 2.1132840 × 10^6

Prime Factorization of 21132840

Prime Factorization 2 × 2 × 2 × 15 × 61 × 2887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5283210
Product of the distinct prime numbers

The prime factorization of 21132840 is 2 × 2 × 2 × 15 × 61 × 2887. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 68, 41, 39, 212, 8093, 7068, 69998, 21680, 563950, 957672, 4517711, 3915249, 56338320, 38044272, 934765336, 245034382, 7329118726, 969486418

Basic calculations (n = 21132840)

Multiplication

n×y
n×2 42265680
n×3 63398520
n×4 84531360
n×5 105664200

Division

n÷y
n÷2 10566420
n÷3 7044280
n÷3 5283210
n÷5 4226568

Exponentiation

ny
n2 446596926465600
n3 9.4378613914893E+21
n4 1.9944881472852E+29
n5 4.2149198898475E+36

Nth Root

y√n
2√n 4597.0468781599
3√n 276.47293416201
4√n 67.801525632982
5√n 29.173704050515

Divisors of 21132840

1, 2, 4, 8, 15, 30, 60, 61, 120, 122, 244, 488, 915, 1830, 2887, 3660, 5774, 7320, 11548, 23096, 43305, 86610, 173220, 176107, 346440, 352214, 704428, 1408856, 2641605, 5283210, 10566420, 21132840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132840 can be divided by 32 positive divisors. The sum of these divisors (counting 21132840) is 1, the average is 0.03125.

Base conversion 21132840

Base System Value
2 Binary 1010000100111011000101000
3 Ternary 1110202122210210
4 Quaternary 1100213120220
5 Quinary 20402222330
6 Senary 2032541120
8 Octal 120473050
10 Decimal 21132840
12 Duodecimal 70b17a0
16 Hexadecimal 1427628
20 Vigesimal 6c1c20
36 Base36 cky7c

Cryptographic Hash Functions

md5 1c145de058c9cccaacd82e2b51a9c00f
sha1 7680da4e71e73f0df6910949cd8de5609fe90fb1
sha256 2fd728f74d41724a5009245126909d091aaabf403935ff6e1d2a3314c23a20c7
sha512 3805756e8842efa4362778643868554b90d9189411f268bf5c19fd1a277988a3463934bcde3c6b37e64da74350d1abf644f1efb4e8f7a0646cf6ece5ab8fbf33
ripemd-160 830e710af761c3c380e1a40e7028330e950ef6b5

21132840 as geometric shapes

Circle

Radius = n
Diameter 42265680
Circumference 132781549.78698
Area 1.4030256233001E+15

Sphere

Radius = n
Volume 3.9533221350802E+22
Surface area 5.6121024932004E+15
Circumference 132781549.78698

Square

Length = n
Perimeter 84531360
Area 446596926465600
Diagonal 29886348.939461

Cube

Length = n
Surface area 2679581558793600
Volume 9.4378613914893E+21
Space diagonal 36603152.588224

Equilateral Triangle

Length = n
Perimeter 63398520
Area 1.9338214178563E+14
Altitude 18301576.294112

Triangular Pyramid

Length = n
Surface area 1.9338214178563E+14
Volume 1.1122626316368E+21
Height 9962116.3131535