21490836 is an even 8-digits composite number following 21490835
and preceding 21490837 . In scientific notation, it is written as 2.1490836 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 7148640 positive integers (up to 21490836) that are relatively prime to 21490836.
21490836 has 24 divisors, whose sum is 50250144
The reverse of 21490836 is 63809412
Previous prime number is 563
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety thousand eight hundred thirty-six
Scientific notation
2.1490836 × 10^7
Engineering notation
2.1490836 × 10^6
Prime Factorization
2 × 2 × 3 × 563 × 3181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10745418
Product of the distinct prime numbers
The prime factorization of 21490836 is 2 × 2 × 3 × 563 × 3181.
Since it has a total of 5 prime factors.
3 , 8 , 59 , 30 , 902 , 847 , 2468 , 3894 , 46801 , 57580 , 663090 , 943541 , 5680828 , 3654326 , 88939366 , 14542182 , 324591444 , 514388585 , 1413486179 , 5690603631
n×2
42981672
n×3
64472508
n×4
85963344
n×5
107454180
n÷2
10745418
n÷3
7163612
n÷3
5372709
n÷5
4298167.2
n2
461856031978896
n3
9.9256722388692E+21
n4
2.1331099427529E+29
n5
4.5842315949672E+36
2 √n
4635.8209628932
3 √n
278.02537594215
4 √n
68.086863365066
5 √n
29.27188309426
1 , 2 , 3 , 4 , 6 , 12 , 563 , 1126 , 1689 , 2252 , 3181 , 3378 , 6362 , 6756 , 9543 , 12724 , 19086 , 38172 , 1790903 , 3581806 , 5372709 , 7163612 , 10745418 , 21490836
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
-21490835
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 21490836 can be divided by 24 positive divisors.
The sum of these divisors (counting 21490836) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111110110010010100
3
Ternary
1111102211212220
4
Quaternary
1101332302110
5
Quinary
21000201321
6
Senary
2044342340
8
Octal
121766224
10
Decimal
21490836
12
Duodecimal
72449b0
16
Hexadecimal
147ec94
20
Vigesimal
6e671g
36
Base36
csmfo
md5
f6b78f8eed58492c5a6c54421ecc766d
sha1
8c5dfaaee1440eb473b19576a3b0a776d0c38ba5
sha256
373d440ab2e137890193b5a3402e0adb59def6265d390be6b9d223acb6b8ded1
sha512
e631a69bd304a27877f50bb92eb0b02c5e96115356ea6919bd886d199dea711842f11feb3f5249c5a7b35d76f20d6744e1cd09a7e9c7346e35547e50bb446e14
ripemd-160
8a16dbdb6f616d236935465c111e5ceb8e622648
Diameter
42981672
Circumference
135030904.99421
Area
1.450963517081E+15
Volume
4.1576558650096E+22
Surface area
5.8038540683241E+15
Circumference
135030904.99421
Perimeter
85963344
Area
461856031978896
Diagonal
30392631.737936
Surface area
2771136191873376
Volume
9.9256722388692E+21
Space diagonal
37223219.84913
Perimeter
64472508
Area
1.999895282924E+14
Altitude
18611609.924565
Surface area
1.999895282924E+14
Volume
1.1697516913232E+21
Height
10130877.245979