21557036 is an even 8-digits composite number following 21557035
and preceding 21557037 . In scientific notation, it is written as 2.1557036 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10671600 positive integers (up to 21557036) that are relatively prime to 21557036.
21557036 has 12 divisors, whose sum is 38099040
The reverse of 21557036 is 63075512
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred fifty-seven thousand thirty-six
Scientific notation
2.1557036 × 10^7
Engineering notation
2.1557036 × 10^6
Prime Factorization
2 × 2 × 101 × 53359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10778518
Product of the distinct prime numbers
The prime factorization of 21557036 is 2 × 2 × 101 × 53359.
Since it has a total of 4 prime factors.
5 , 6 , 38 , 75 , 783 , 9 , 8356 , 2079 , 78696 , 55544 , 449776 , 595761 , 7353255 , 6031672 , 15139110 , 59049817 , 427372105 , 745966538 , 2487888179 , 366763302
n×2
43114072
n×3
64671108
n×4
86228144
n×5
107785180
n÷2
10778518
n÷3
7185678.6666667
n÷3
5389259
n÷5
4311407.2
n2
464705801105296
n3
1.0017679683836E+22
n4
2.1595148158091E+29
n5
4.6552738626931E+36
2 √n
4642.9555242324
3 √n
278.31055817404
4 √n
68.139236305028
5 √n
29.289894635549
1 , 2 , 4 , 101 , 202 , 404 , 53359 , 106718 , 213436 , 5389259 , 10778518 , 21557036
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
-21557035
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 21557036 can be divided by 12 positive divisors.
The sum of these divisors (counting 21557036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110111100101100
3
Ternary
1111120012200202
4
Quaternary
1102032330230
5
Quinary
21004311121
6
Senary
2050013032
8
Octal
122167454
10
Decimal
21557036
12
Duodecimal
7277178
16
Hexadecimal
148ef2c
20
Vigesimal
6eecbg
36
Base36
cu1ik
md5
fdb29baa15f43013eb88655f17ee2855
sha1
7fc1213ce6b795270681e818015db66186023d79
sha256
438e888a9a29c837a11a0f24b779d3435c7067ca85f981b4b8012bffba521303
sha512
36c892b1019e04cbd72fd115169f43d662a42c600cd2d107aa06e16359e77a0c8d505dfb54d7c35dceefded7765b63fb5213ca2153e816842d1392dbad28921b
ripemd-160
87447e23d012b58114439163604327547e2b071f
Diameter
43114072
Circumference
135446851.86154
Area
1.459916330833E+15
Volume
4.1961958534339E+22
Surface area
5.8396653233318E+15
Circumference
135446851.86154
Perimeter
86228144
Area
464705801105296
Diagonal
30486252.675765
Surface area
2788234806631776
Volume
1.0017679683836E+22
Space diagonal
37337881.612591
Perimeter
64671108
Area
2.0122351452159E+14
Altitude
18668940.806296
Surface area
2.0122351452159E+14
Volume
1.1805948726992E+21
Height
10162084.225255