20984951 is an odd 8-digits composite number following 20984950
and preceding 20984952 . In scientific notation, it is written as 2.0984951 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 18702432 positive integers (up to 20984951) that are relatively prime to 20984951.
20984951 has 8 divisors, whose sum is 23378880
The reverse of 20984951 is 15948902
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred eighty-four thousand nine hundred fifty-one
Scientific notation
2.0984951 × 10^7
Engineering notation
2.0984951 × 10^6
Prime Factorization
13 × 29 × 55663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20984951
Product of the distinct prime numbers
The prime factorization of 20984951 is 13 × 29 × 55663.
Since it has a total of 3 prime factors.
7 , 1 , 56 , 18 , 336 , 326 , 6312 , 7349 , 20243 , 44579 , 946689 , 722980 , 5238405 , 645337 , 8918292 , 3076543 , 133152778 , 890051355 , 1267985880 , 8665594932
n×2
41969902
n×3
62954853
n×4
83939804
n×5
104924755
n÷2
10492475.5
n÷3
6994983.6666667
n÷3
5246237.75
n÷5
4196990.2
n2
440368168472401
n3
9.2411044373531E+21
n4
1.9392412380374E+29
n5
4.0694882357394E+36
2 √n
4580.9334201667
3 √n
275.82649863547
4 √n
67.682593184412
5 √n
29.132757371739
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20984950
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20984951 can be divided by 8 positive divisors.
The sum of these divisors (counting 20984951) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000011010001110111
3
Ternary
1110111010221102
4
Quaternary
1100003101313
5
Quinary
20333004301
6
Senary
2025440315
8
Octal
120032167
10
Decimal
20984951
12
Duodecimal
704009b
16
Hexadecimal
1403477
20
Vigesimal
6b327b
36
Base36
chs3b
md5
e25f4905b9de4d3c3dd04fc755932be4
sha1
b99c3b3c5d5b9c6c293a8a2f20f0dc7a1459a29b
sha256
fa5a7c31c1cbdf8fe55e7004e7dc2118568b6889746df45d20c232f3e86f08e2
sha512
10e2a471eb4f0428122d990861383a2b7b6c1c8ee4821613350e3dee2fed96f98b8946721ec3af07e0fb7802e47188312338eb3b5d75ea93999e36ee0415f72d
ripemd-160
386d57a023a8c2d059e479c348b3423059f8a3ed
Diameter
41969902
Circumference
131852335.79508
Area
1.3834574029477E+15
Volume
3.8709047748593E+22
Surface area
5.5338296117907E+15
Circumference
131852335.79508
Perimeter
83939804
Area
440368168472401
Diagonal
29677202.309935
Surface area
2642209010834406
Volume
9.2411044373531E+21
Space diagonal
36347001.326343
Perimeter
62954853
Area
1.9068501045756E+14
Altitude
18173500.663172
Surface area
1.9068501045756E+14
Volume
1.0890746022176E+21
Height
9892400.7699783