19902849 is an odd 8-digits composite number following 19902848
and preceding 19902850 . In scientific notation, it is written as 1.9902849 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13242960 positive integers (up to 19902849) that are relatively prime to 19902849.
19902849 has 8 divisors, whose sum is 26588352
The reverse of 19902849 is 94820991
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred two thousand eight hundred forty-nine
Scientific notation
1.9902849 × 10^7
Engineering notation
1.9902849 × 10^6
Prime Factorization
3 × 541 × 12263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19902849
Product of the distinct prime numbers
The prime factorization of 19902849 is 3 × 541 × 12263.
Since it has a total of 3 prime factors.
1 , 10 , 100 , 49 , 399 , 891 , 9516 , 3436 , 8190 , 38473 , 395125 , 168725 , 4398195 , 512791 , 26124948 , 62880167 , 374342191 , 21339490 , 7811211128 , 7594688200
n×2
39805698
n×3
59708547
n×4
79611396
n×5
99514245
n÷2
9951424.5
n÷3
6634283
n÷3
4975712.25
n÷5
3980569.8
n2
396123398316801
n3
7.8839841820661E+21
n4
1.5691374669405E+29
n5
3.1230306064759E+36
2 √n
4461.2609204125
3 √n
271.0015341026
4 √n
66.792671157939
5 √n
28.825911544511
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
-19902848
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 19902849 can be divided by 8 positive divisors.
The sum of these divisors (counting 19902849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111011000110000001
3
Ternary
1101110011120120
4
Quaternary
1023323012001
5
Quinary
20043342344
6
Senary
1550330453
8
Octal
113730601
10
Decimal
19902849
12
Duodecimal
67b9a29
16
Hexadecimal
12fb181
20
Vigesimal
647h29
36
Base36
bul4x
md5
8d1725f6f233430ea4bedf00ea24a17c
sha1
84214b2bd96d738709877158c72d1be884723f29
sha256
bb529e28e59796d9e9dc61b617775c1a76ff61594ce2888b3f5734e6cc546b46
sha512
14cc030964e1bbef2a2f1bb8cdf42ca4c8a57bace7d8ff44d81c661cbfd9d54a3a56851bc9f2a36ef22137ba1b944ab735025eea26ea41829b1cb03bc97373d8
ripemd-160
109446b21842707f28a1e09f3ccbaf8a8df83972
Diameter
39805698
Circumference
125053288.40781
Area
1.2444583580671E+15
Volume
3.302435571653E+22
Surface area
4.9778334322683E+15
Circumference
125053288.40781
Perimeter
79611396
Area
396123398316801
Diagonal
28146878.985664
Surface area
2376740389900806
Volume
7.8839841820661E+21
Space diagonal
34472745.683371
Perimeter
59708547
Area
1.7152646298789E+14
Altitude
17236372.841686
Surface area
1.7152646298789E+14
Volume
9.2913644631774E+20
Height
9382292.9952213