21496905 is an odd 8-digits composite number following 21496904
and preceding 21496906 . In scientific notation, it is written as 2.1496905 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 11431584 positive integers (up to 21496905) that are relatively prime to 21496905.
21496905 has 24 divisors, whose sum is 37370112
The reverse of 21496905 is 50969412
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-six thousand nine hundred five
Scientific notation
2.1496905 × 10^7
Engineering notation
2.1496905 × 10^6
Prime Factorization
3 × 3 × 5 × 607 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7165635
Product of the distinct prime numbers
The prime factorization of 21496905 is 3 × 3 × 5 × 607 × 787.
Since it has a total of 5 prime factors.
5 , 1 , 11 , 22 , 128 , 687 , 4529 , 6587 , 58355 , 91992 , 578342 , 158452 , 1479082 , 1144120 , 37412950 , 41647410 , 569672626 , 910264034 , 8653595061 , 1371037915
n×2
42993810
n×3
64490715
n×4
85987620
n×5
107484525
n÷2
10748452.5
n÷3
7165635
n÷3
5374226.25
n÷5
4299381
n2
462116924579025
n3
9.9340836265675E+21
n4
2.1355205198238E+29
n5
4.5907081740202E+36
2 √n
4636.4754933031
3 √n
278.05154488221
4 √n
68.091669779079
5 √n
29.273536180203
1 , 3 , 5 , 9 , 15 , 45 , 607 , 787 , 1821 , 2361 , 3035 , 3935 , 5463 , 7083 , 9105 , 11805 , 27315 , 35415 , 477709 , 1433127 , 2388545 , 4299381 , 7165635 , 21496905
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
-21496904
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 21496905 can be divided by 24 positive divisors.
The sum of these divisors (counting 21496905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000000010001001001
3
Ternary
1111110011012200
4
Quaternary
1102000101021
5
Quinary
21000400110
6
Senary
2044430413
8
Octal
122002111
10
Decimal
21496905
12
Duodecimal
7248409
16
Hexadecimal
1480449
20
Vigesimal
6e7255
36
Base36
csr49
md5
4f3a40275572d11c89823f01f9854814
sha1
1726df337558e485fb8170aa4027cc1a62725ae0
sha256
2d9cbfe64775e7c18b83f49d22fa4130f2f88b0c62241d94d290160c02998340
sha512
98cced978ada7d967e8e8c5688bf04624ddfebae58b23aed33f58c34a7be01ca9e0fd205c0e05f71dc9c29dd8e40c80f161e35826f39fefb3b56c76843fbe7d0
ripemd-160
e5eebb24470bb636d6f37e936c8013d5a20043f7
Diameter
42993810
Circumference
135069037.64584
Area
1.451783135357E+15
Volume
4.1611792188495E+22
Surface area
5.8071325414279E+15
Circumference
135069037.64584
Perimeter
85987620
Area
462116924579025
Diagonal
30401214.600046
Surface area
2772701547474150
Volume
9.9340836265675E+21
Space diagonal
37233731.665481
Perimeter
64490715
Area
2.0010249810209E+14
Altitude
18616865.832741
Surface area
2.0010249810209E+14
Volume
1.17074298287E+21
Height
10133738.200015