21490436 is an even 8-digits composite number following 21490435
and preceding 21490437 . In scientific notation, it is written as 2.1490436 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9768360 positive integers (up to 21490436) that are relatively prime to 21490436.
21490436 has 12 divisors, whose sum is 41027280
The reverse of 21490436 is 63409412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety thousand four hundred thirty-six
Scientific notation
2.1490436 × 10^7
Engineering notation
2.1490436 × 10^6
Prime Factorization
2 × 2 × 11 × 488419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10745218
Product of the distinct prime numbers
The prime factorization of 21490436 is 2 × 2 × 11 × 488419.
Since it has a total of 4 prime factors.
7 , 10 , 69 , 80 , 936 , 395 , 4752 , 4648 , 46282 , 70795 , 524657 , 940747 , 2298086 , 1572904 , 91995525 , 85913701 , 466769543 , 100721030 , 5903313610 , 9676672448
n×2
42980872
n×3
64471308
n×4
85961744
n×5
107452180
n÷2
10745218
n÷3
7163478.6666667
n÷3
5372609
n÷5
4298087.2
n2
461838839470096
n3
9.9251180219464E+21
n4
2.1329511364309E+29
n5
4.5838049888594E+36
2 √n
4635.7778203879
3 √n
278.02365100785
4 √n
68.086546544731
5 √n
29.27177412837
1 , 2 , 4 , 11 , 22 , 44 , 488419 , 976838 , 1953676 , 5372609 , 10745218 , 21490436
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
-21490435
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 21490436 can be divided by 12 positive divisors.
The sum of these divisors (counting 21490436) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111110101100000100
3
Ternary
1111102211100002
4
Quaternary
1101332230010
5
Quinary
21000143221
6
Senary
2044340432
8
Octal
121765404
10
Decimal
21490436
12
Duodecimal
7244718
16
Hexadecimal
147eb04
20
Vigesimal
6e661g
36
Base36
csm4k
md5
1c9982b25a159209818d967906baa31d
sha1
caa0317a82ad65d5cc287a52c3a17b90e010fa1f
sha256
5362a98e21a20049995fca510ef6fe7d7eaa7afe40d3faa44c2a7a22e3e503f4
sha512
42b2a365aa124ff45ed170877b0d20dd511d8c08c1387d33da4159724f2cde98e885e110a3a263f597811c479e68353ec347222b5bdb1bc0f94b11adb8e12955
ripemd-160
21176976ccb424e609b9e150555d7ddbe9a8c2df
Diameter
42980872
Circumference
135028391.72008
Area
1.4509095052217E+15
Volume
4.1574237151678E+22
Surface area
5.8036380208868E+15
Circumference
135028391.72008
Perimeter
85961744
Area
461838839470096
Diagonal
30392066.052511
Surface area
2771033036820576
Volume
9.9251180219464E+21
Space diagonal
37222527.028807
Perimeter
64471308
Area
1.9998208371771E+14
Altitude
18611263.514404
Surface area
1.9998208371771E+14
Volume
1.1696863762325E+21
Height
10130688.68417