19902950 is an even 8-digits composite number following 19902949
and preceding 19902951 . In scientific notation, it is written as 1.9902950 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 7961160 positive integers (up to 19902950) that are relatively prime to 19902950.
19902950 has 12 divisors, whose sum is 37019580
The reverse of 19902950 is 05920991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
nineteen million nine hundred two thousand nine hundred fifty
Scientific notation
1.9902950 × 10^7
Engineering notation
1.9902950 × 10^6
Prime Factorization
2 × 5 × 5 × 398059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3980590
Product of the distinct prime numbers
The prime factorization of 19902950 is 2 × 5 × 5 × 398059.
Since it has a total of 4 prime factors.
3 , 6 , 55 , 8 , 420 , 209 , 7661 , 2941 , 25854 , 24236 , 459051 , 316647 , 4830762 , 3638473 , 80663235 , 81263790 , 483699608 , 253542128 , 2485815254 , 7974459824
n×2
39805900
n×3
59708850
n×4
79611800
n×5
99514750
n÷2
9951475
n÷3
6634316.6666667
n÷3
4975737.5
n÷5
3980590
n2
396127418702500
n3
7.8841042080649E+21
n4
1.5691693184791E+29
n5
3.1231098487223E+36
2 √n
4461.2722400678
3 √n
271.0019925145
4 √n
66.792755895141
5 √n
28.825940800736
1 , 2 , 5 , 10 , 25 , 50 , 398059 , 796118 , 1990295 , 3980590 , 9951475 , 19902950
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902950 can be divided by 12 positive divisors.
The sum of these divisors (counting 19902950) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111011000111100110
3
Ternary
1101110011201022
4
Quaternary
1023323013212
5
Quinary
20043343300
6
Senary
1550331142
8
Octal
113730746
10
Decimal
19902950
12
Duodecimal
67b9ab2
16
Hexadecimal
12fb1e6
20
Vigesimal
647h7a
36
Base36
bul7q
md5
d4b18d12fad9b747c3920165856ac55a
sha1
0515a50881186d232252b1a62254fd1aa5a700ee
sha256
3f04a624aa581d996471b7339160870467e57580229e3e5bb2bf3ae44a9435a8
sha512
da5e0b54b8cd6ca4ba3f9b7905ec7c62694f24e0afb9ad5906201f711ce6166a7a22adb842f773fb2461b0968ec9ac13cdfe20097531aeaccb4b45bf440f046b
ripemd-160
f10c78c89501a86b890923a44b0030331b077d12
Diameter
39805900
Circumference
125053923.00953
Area
1.2444709884813E+15
Volume
3.3024858480258E+22
Surface area
4.977883953925E+15
Circumference
125053923.00953
Perimeter
79611800
Area
396127418702500
Diagonal
28147021.821234
Surface area
2376764512215000
Volume
7.8841042080649E+21
Space diagonal
34472920.620503
Perimeter
59708850
Area
1.7152820386596E+14
Altitude
17236460.310251
Surface area
1.7152820386596E+14
Volume
9.2915059151735E+20
Height
9382340.6070779