19899428 is an even 8-digits composite number following 19899427
and preceding 19899429 . In scientific notation, it is written as 1.9899428 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 9913992 positive integers (up to 19899428) that are relatively prime to 19899428.
19899428 has 12 divisors, whose sum is 34949040
The reverse of 19899428 is 82499891
Previous prime number is 283
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million eight hundred ninety-nine thousand four hundred twenty-eight
Scientific notation
1.9899428 × 10^7
Engineering notation
1.9899428 × 10^6
Prime Factorization
2 × 2 × 283 × 17579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9949714
Product of the distinct prime numbers
The prime factorization of 19899428 is 2 × 2 × 283 × 17579.
Since it has a total of 4 prime factors.
4 , 4 , 21 , 66 , 690 , 509 , 3810 , 8245 , 73725 , 37708 , 896705 , 202388 , 8428691 , 6978701 , 46157265 , 8950878 , 402983493 , 143465246 , 8700533811 , 6248867887
n×2
39798856
n×3
59698284
n×4
79597712
n×5
99497140
n÷2
9949714
n÷3
6633142.6666667
n÷3
4974857
n÷5
3979885.6
n2
395987234727184
n3
7.8799194663727E+21
n4
1.5680589006688E+29
n5
3.1203475193618E+36
2 √n
4460.8774921533
3 √n
270.98600618544
4 √n
66.789800809355
5 √n
28.824920528359
1 , 2 , 4 , 283 , 566 , 1132 , 17579 , 35158 , 70316 , 4974857 , 9949714 , 19899428
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
-19899427
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 19899428 can be divided by 12 positive divisors.
The sum of these divisors (counting 19899428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111010010000100100
3
Ternary
1101102222212212
4
Quaternary
1023322100210
5
Quinary
20043240203
6
Senary
1550302552
8
Octal
113722044
10
Decimal
19899428
12
Duodecimal
67b7a58
16
Hexadecimal
12fa424
20
Vigesimal
6478b8
36
Base36
buihw
md5
758b157d1bf958f1f9d315912dcfffe8
sha1
4f71a8bd8313d15d10abf3b991400da08d70dddf
sha256
04957b8ebcda2908cf40a71429958d5c090e36d5ee0b9e877db3a1fd75b2be4d
sha512
11e93e6cb97347a88e3211f02536926d43340a3820bb507746633d8ad7e5563ca63d16afc97970d5646bba0b6050d4970e5f58157958df94ac25cb38d3ac355a
ripemd-160
e3c0a3bd9a49e043ff41d7761b7a808b229ef77d
Diameter
39798856
Circumference
125031793.63088
Area
1.2440305875343E+15
Volume
3.3007329475248E+22
Surface area
4.976122350137E+15
Circumference
125031793.63088
Perimeter
79597712
Area
395987234727184
Diagonal
28142040.961067
Surface area
2375923408363104
Volume
7.8799194663727E+21
Space diagonal
34466820.337559
Perimeter
59698284
Area
1.7146750242405E+14
Altitude
17233410.168779
Surface area
1.7146750242405E+14
Volume
9.2865741497934E+20
Height
9380680.3203556