21146980 is an even 8-digits composite number following 21146979
and preceding 21146981 . In scientific notation, it is written as 2.1146980 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 36 positive divisors.
There are 7557120 positive integers (up to 21146980) that are relatively prime to 21146980.
21146980 has 36 divisors, whose sum is 45590580
The reverse of 21146980 is 08964112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred forty-six thousand nine hundred eighty
Scientific notation
2.1146980 × 10^7
Engineering notation
2.1146980 × 10^6
Prime Factorization
2 × 2 × 629 × 41 × 5 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
257890
Product of the distinct prime numbers
The prime factorization of 21146980 is 2 × 2 × 629 × 41 × 5 × 41.
Since it has a total of 6 prime factors.
8 , 2 , 9 , 71 , 884 , 524 , 5345 , 5900 , 14703 , 44828 , 113995 , 256489 , 27307 , 3754583 , 32696456 , 34604319 , 431441019 , 41372384 , 3227970815 , 2445098720
n×2
42293960
n×3
63440940
n×4
84587920
n×5
105734900
n÷2
10573490
n÷3
7048993.3333333
n÷3
5286745
n÷5
4229396
n2
447194763120400
n3
9.4568187118118E+21
n4
1.9998315616231E+29
n5
4.2290398037013E+36
2 √n
4598.5845648417
3 √n
276.5345831674
4 √n
67.812864302001
5 √n
29.177607035761
1 , 2 , 4 , 5 , 10 , 20 , 41 , 82 , 164 , 205 , 410 , 629 , 820 , 1258 , 1681 , 2516 , 3145 , 3362 , 6290 , 6724 , 8405 , 12580 , 16810 , 25789 , 33620 , 51578 , 103156 , 128945 , 257890 , 515780 , 1057349 , 2114698 , 4229396 , 5286745 , 10573490 , 21146980
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21146979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21146980 can be divided by 36 positive divisors.
The sum of these divisors (counting 21146980) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010000101010110101100100
3
Ternary
1110210101012111
4
Quaternary
1100222311210
5
Quinary
20403200410
6
Senary
2033130404
8
Octal
120526544
10
Decimal
21146980
12
Duodecimal
70b9a04
16
Hexadecimal
142ad64
20
Vigesimal
6c3790
36
Base36
cl944
md5
c6a0658197a2461258d138da15a7c0f2
sha1
e9fec141c3c4b7c20e2bc3a01b4e0d09bca56762
sha256
61f4d27c8991c943b17c2dbcae154ab34b5c61ee81f4c6a2ac5cbb7cf56df4dc
sha512
335bcfd7b37a736cb5a9f13833cf33e58cc1295cfb171645ff9c210a5c71cf53ffc82051597e497c22dffa0d45241234a333a01446a2e31eb2c9c58234088202
ripemd-160
3dd0a3fcf95c13615970d1ae8cb970785c7b21bb
Diameter
42293960
Circumference
132870394.02722
Area
1.4049037825429E+15
Volume
3.9612629588478E+22
Surface area
5.6196151301715E+15
Circumference
132870394.02722
Perimeter
84587920
Area
447194763120400
Diagonal
29906345.919233
Surface area
2683168578722400
Volume
9.4568187118118E+21
Space diagonal
36627643.786643
Perimeter
63440940
Area
1.9364101265082E+14
Altitude
18313821.893321
Surface area
1.9364101265082E+14
Volume
1.1144967732623E+21
Height
9968781.9730775