19902493 is an odd 8-digits composite number following 19902492
and preceding 19902494 . In scientific notation, it is written as 1.9902493 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 18315264 positive integers (up to 19902493) that are relatively prime to 19902493.
19902493 has 8 divisors, whose sum is 21499128
The reverse of 19902493 is 39420991
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred two thousand four hundred ninety-three
Scientific notation
1.9902493 × 10^7
Engineering notation
1.9902493 × 10^6
Prime Factorization
13 × 353 × 4337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19902493
Product of the distinct prime numbers
The prime factorization of 19902493 is 13 × 353 × 4337.
Since it has a total of 3 prime factors.
8 , 1 , 78 , 68 , 42 , 81 , 2707 , 4710 , 33154 , 65605 , 296550 , 334264 , 1179206 , 7245456 , 58975441 , 34254094 , 189998699 , 948970873 , 7111069437 , 2789074863
n×2
39804986
n×3
59707479
n×4
79609972
n×5
99512465
n÷2
9951246.5
n÷3
6634164.3333333
n÷3
4975623.25
n÷5
3980498.6
n2
396109227615049
n3
7.8835611298439E+21
n4
1.5690252020179E+29
n5
3.1227513099985E+36
2 √n
4461.2210212004
3 √n
270.99991830174
4 √n
66.792372477704
5 √n
28.825808422612
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
-19902492
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 19902493 can be divided by 8 positive divisors.
The sum of these divisors (counting 19902493) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111011000000011101
3
Ternary
1101110011002101
4
Quaternary
1023323000131
5
Quinary
20043334433
6
Senary
1550325101
8
Octal
113730035
10
Decimal
19902493
12
Duodecimal
67b9791
16
Hexadecimal
12fb01d
20
Vigesimal
647g4d
36
Base36
bukv1
md5
d84effcf6f054ed214c8fbcef454261c
sha1
acdcb871a3f8da9bc95ec931dc82db745a8f1bac
sha256
1578a5716c096f9e5fae3ec109526603f0de45720586d2c117c823ba3f73f8ec
sha512
efa4f94249bc937c0e9cd4ab2ae2477b6a18cf6b91ea70f2a143865beb41aef1ab6bdc4fc710c10cd03ba3bc550ef326c8cf9386e7f1aae66ffab6525fc01475
ripemd-160
bad1969824915fbc5309b85ec688852ffefc69dc
Diameter
39804986
Circumference
125051051.59384
Area
1.2444138394946E+15
Volume
3.3022583639525E+22
Surface area
4.9776553579783E+15
Circumference
125051051.59384
Perimeter
79609972
Area
396109227615049
Diagonal
28146375.525636
Surface area
2376655365690294
Volume
7.8835611298439E+21
Space diagonal
34472129.073284
Perimeter
59707479
Area
1.7152032689403E+14
Altitude
17236064.536642
Surface area
1.7152032689403E+14
Volume
9.2908658913522E+20
Height
9382125.1752119