19902494 is an even 8-digits composite number following 19902493
and preceding 19902495 . In scientific notation, it is written as 1.9902494 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9944856 positive integers (up to 19902494) that are relatively prime to 19902494.
19902494 has 8 divisors, whose sum is 29872920
The reverse of 19902494 is 49420991
Previous prime number is 2683
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred two thousand four hundred ninety-four
Scientific notation
1.9902494 × 10^7
Engineering notation
1.9902494 × 10^6
Prime Factorization
2 × 2683 × 3709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19902494
Product of the distinct prime numbers
The prime factorization of 19902494 is 2 × 2683 × 3709.
Since it has a total of 3 prime factors.
4 , 5 , 7 , 73 , 741 , 646 , 5631 , 7608 , 80083 , 63561 , 200315 , 696845 , 5208826 , 2637035 , 23133630 , 60280357 , 177184799 , 122021352 , 9594936962 , 7718937837
n×2
39804988
n×3
59707482
n×4
79609976
n×5
99512470
n÷2
9951247
n÷3
6634164.6666667
n÷3
4975623.5
n÷5
3980498.8
n2
396109267420036
n3
7.8835623181717E+21
n4
1.5690255173604E+29
n5
3.1227520945112E+36
2 √n
4461.2211332773
3 √n
270.99992284053
4 √n
66.792373316699
5 √n
28.825808712282
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
-19902493
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 19902494 can be divided by 8 positive divisors.
The sum of these divisors (counting 19902494) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111011000000011110
3
Ternary
1101110011002102
4
Quaternary
1023323000132
5
Quinary
20043334434
6
Senary
1550325102
8
Octal
113730036
10
Decimal
19902494
12
Duodecimal
67b9792
16
Hexadecimal
12fb01e
20
Vigesimal
647g4e
36
Base36
bukv2
md5
da6797136197fd92b7bba341ed8b4656
sha1
94213eec8aa52ac0490840c0836f189b5b616692
sha256
d2b9fe375c8a2aeba6ff969ac47c1cedbf0b723cbfbcb1bc973e5e25bfac1c27
sha512
d2d4d4128078d07ed779fe626c9f12d0ff8afe984546e9e49ed61590e21925e3f1dd737ab6b1b5904e7bf554ca4e0c05365a0ec8dd937b04c81f68ecbf37d4e6
ripemd-160
6247f29a5595b775f800e959fe95bb4adbc9d68c
Diameter
39804988
Circumference
125051057.87703
Area
1.2444139645456E+15
Volume
3.3022588617181E+22
Surface area
4.9776558581825E+15
Circumference
125051057.87703
Perimeter
79609976
Area
396109267420036
Diagonal
28146376.939849
Surface area
2376655604520216
Volume
7.8835623181717E+21
Space diagonal
34472130.805335
Perimeter
59707482
Area
1.715203441301E+14
Altitude
17236065.402667
Surface area
1.715203441301E+14
Volume
9.2908672918099E+20
Height
9382125.6466164