21490216 is an even 8-digits composite number following 21490215
and preceding 21490217 . In scientific notation, it is written as 2.1490216 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 9253440 positive integers (up to 21490216) that are relatively prime to 21490216.
21490216 has 32 divisors, whose sum is 46274400
The reverse of 21490216 is 61209412
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred ninety thousand two hundred sixteen
Scientific notation
2.1490216 × 10^7
Engineering notation
2.1490216 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 19 × 12853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5372554
Product of the distinct prime numbers
The prime factorization of 21490216 is 2 × 2 × 2 × 11 × 19 × 12853.
Since it has a total of 6 prime factors.
9 , 3 , 35 , 83 , 236 , 936 , 8516 , 7950 , 26564 , 25136 , 520526 , 614016 , 7602737 , 1902616 , 20021960 , 42910141 , 319489741 , 206842047 , 2909708857 , 9301190564
n×2
42980432
n×3
64470648
n×4
85960864
n×5
107451080
n÷2
10745108
n÷3
7163405.3333333
n÷3
5372554
n÷5
4298043.2
n2
461829383726656
n3
9.9248132114327E+21
n4
2.1328637967334E+29
n5
4.5835703690381E+36
2 √n
4635.7540918388
3 √n
278.02270228486
4 √n
68.086372291662
5 √n
29.271714196438
1 , 2 , 4 , 8 , 11 , 19 , 22 , 38 , 44 , 76 , 88 , 152 , 209 , 418 , 836 , 1672 , 12853 , 25706 , 51412 , 102824 , 141383 , 244207 , 282766 , 488414 , 565532 , 976828 , 1131064 , 1953656 , 2686277 , 5372554 , 10745108 , 21490216
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
-21490215
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 21490216 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490216) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110101000101000
3
Ternary
1111102211000221
4
Quaternary
1101332220220
5
Quinary
21000141331
6
Senary
2044335424
8
Octal
121765050
10
Decimal
21490216
12
Duodecimal
7244574
16
Hexadecimal
147ea28
20
Vigesimal
6e65ag
36
Base36
cslyg
md5
373fadacb64231ad2dd2a5168867036d
sha1
608bb84512e909425499347052cc073f40006142
sha256
6a2adb64b9f7b4475fe924a3706c44231c989137813bb2d9ed66a8a28227ef32
sha512
68a91bc2c7af899d1a445138ad91ff40d372d340868491d769869b14937e525072ec7f2af0548785c7d9f711568d2414ad3f5df213b773a9c5b1f4a3830fdda0
ripemd-160
4ca0bfb292a3cbb610504497a5216e3efb2b46d4
Diameter
42980432
Circumference
135027009.41932
Area
1.4508797991276E+15
Volume
4.1572960364384E+22
Surface area
5.8035191965103E+15
Circumference
135027009.41932
Perimeter
85960864
Area
461829383726656
Diagonal
30391754.925527
Surface area
2770976302359936
Volume
9.9248132114327E+21
Space diagonal
37222145.97763
Perimeter
64470648
Area
1.999779892607E+14
Altitude
18611072.988815
Surface area
1.999779892607E+14
Volume
1.169650453969E+21
Height
10130584.975176