20949902 is an even 8-digits composite number following 20949901
and preceding 20949903 . In scientific notation, it is written as 2.0949902 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10474950 positive integers (up to 20949902) that are relatively prime to 20949902.
20949902 has 4 divisors, whose sum is 31424856
The reverse of 20949902 is 20994902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred forty-nine thousand nine hundred two
Scientific notation
2.0949902 × 10^7
Engineering notation
2.0949902 × 10^6
Prime Factorization
2 × 10474951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20949902
Product of the distinct prime numbers
The prime factorization of 20949902 is 2 × 10474951.
Since it has a total of 2 prime factors.
6 , 2 , 34 , 69 , 116 , 643 , 4946 , 4115 , 89941 , 8103 , 963806 , 280677 , 3552852 , 1519490 , 9289962 , 37410120 , 538588253 , 429519575 , 836941614 , 2065984744
n×2
41899804
n×3
62849706
n×4
83799608
n×5
104749510
n÷2
10474951
n÷3
6983300.6666667
n÷3
5237475.5
n÷5
4189980.4
n2
438898393809604
n3
9.1948783382686E+21
n4
1.9263180008865E+29
n5
4.0356173339408E+36
2 √n
4577.106291097
3 √n
275.67285154288
4 √n
67.654314652482
5 √n
29.123019375635
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20949901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20949902 can be divided by 4 positive divisors.
The sum of these divisors (counting 20949902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111111010101110001110
3
Ternary
1110102100212022
4
Quaternary
1033322232032
5
Quinary
20330344102
6
Senary
2025010142
8
Octal
117725616
10
Decimal
20949902
12
Duodecimal
7023952
16
Hexadecimal
13fab8e
20
Vigesimal
6aief2
36
Base36
ch11q
md5
28bdcb0e809fa67e83d647430dfca7d8
sha1
c51cb86fe0b7128f8a31da8e07d5006ffcea0cad
sha256
c90c235b94574ccf082ab997d218bc5e2870ce1a1ef121ed7879f59d30a752c0
sha512
e29890c49b704be0394de1a235f2ce74639a2c7bb296ddf54f2c75bb724b91faf28e8a3c2ab9b7d8d8328aad3d45c605fe327ca874ae9d8af467b0e6091edf40
ripemd-160
f4b941cc659a8bcdb92b96faac92551322666273
Diameter
41899804
Circumference
131632116.43325
Area
1.3788399696646E+15
Volume
3.8515416317542E+22
Surface area
5.5153598786584E+15
Circumference
131632116.43325
Perimeter
83799608
Area
438898393809604
Diagonal
29627635.538787
Surface area
2633390362857624
Volume
9.1948783382686E+21
Space diagonal
36286294.677589
Perimeter
62849706
Area
1.9004857935965E+14
Altitude
18143147.338794
Surface area
1.9004857935965E+14
Volume
1.0836268041958E+21
Height
9875878.5129291