19902798 is an even 8-digits composite number following 19902797
and preceding 19902799 . In scientific notation, it is written as 1.9902798 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 6634260 positive integers (up to 19902798) that are relatively prime to 19902798.
19902798 has 12 divisors, whose sum is 43122768
The reverse of 19902798 is 89720991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred two thousand seven hundred ninety-eight
Scientific notation
1.9902798 × 10^7
Engineering notation
1.9902798 × 10^6
Prime Factorization
2 × 3 × 3 × 1105711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6634266
Product of the distinct prime numbers
The prime factorization of 19902798 is 2 × 3 × 3 × 1105711.
Since it has a total of 4 prime factors.
10 , 1 , 24 , 92 , 8 , 668 , 7621 , 910 , 75275 , 94835 , 70024 , 800858 , 8216582 , 9631625 , 86095901 , 66643772 , 489896893 , 245234807 , 8600087190 , 5470730424
n×2
39805596
n×3
59708394
n×4
79611192
n×5
99513990
n÷2
9951399
n÷3
6634266
n÷3
4975699.5
n÷5
3980559.6
n2
396121368228804
n3
7.8839235753415E+21
n4
1.5691213836746E+29
n5
3.1229905936756E+36
2 √n
4461.2552045361
3 √n
271.00130262669
4 √n
66.792628369724
5 √n
28.825896771521
1 , 2 , 3 , 6 , 9 , 18 , 1105711 , 2211422 , 3317133 , 6634266 , 9951399 , 19902798
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
-19902797
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 19902798 can be divided by 12 positive divisors.
The sum of these divisors (counting 19902798) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111011000101001110
3
Ternary
1101110011111200
4
Quaternary
1023323011032
5
Quinary
20043342143
6
Senary
1550330330
8
Octal
113730516
10
Decimal
19902798
12
Duodecimal
67b99a6
16
Hexadecimal
12fb14e
20
Vigesimal
647gji
36
Base36
bul3i
md5
1e17eeb7ea1002762e56852b81ff4640
sha1
5c5aebdaab548feaf0f1ed5d32d2b47653e20192
sha256
38a773818770ede59695ad3edeb9e52befbb508e0c53f6a850468998427c6fad
sha512
b4b88bc1e6728b1a00ce405897fad03d174db1e38f2338bca618ef917c9c8f35ede5b12d273ebfa6f30da6e8b58ffd0cfc9a3867d40310c23a4a201671b54328
ripemd-160
a27310da85e792af5461417f263095aa027f5fe7
Diameter
39805596
Circumference
125052967.96536
Area
1.2444519803575E+15
Volume
3.3024101847675E+22
Surface area
4.9778079214302E+15
Circumference
125052967.96536
Perimeter
79611192
Area
396121368228804
Diagonal
28146806.860772
Surface area
2376728209372824
Volume
7.8839235753415E+21
Space diagonal
34472657.34878
Perimeter
59708394
Area
1.71525583934E+14
Altitude
17236328.67439
Surface area
1.71525583934E+14
Volume
9.2912930374674E+20
Height
9382268.9535907