19990105 is an odd 8-digits composite number following 19990104
and preceding 19990106 . In scientific notation, it is written as 1.9990105 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 15296688 positive integers (up to 19990105) that are relatively prime to 19990105.
19990105 has 4 divisors, whose sum is 20164048
The reverse of 19990105 is 50109991
Previous prime number is 115
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred ninety thousand one hundred five
Scientific notation
1.9990105 × 10^7
Engineering notation
1.9990105 × 10^6
Prime Factorization
115 × 173827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19990105
Product of the distinct prime numbers
The prime factorization of 19990105 is 115 × 173827.
Since it has a total of 2 prime factors.
4 , 6 , 42 , 87 , 639 , 937 , 6489 , 8391 , 9958 , 31142 , 110553 , 500976 , 9682739 , 3396605 , 38270209 , 5607385 , 274941543 , 881240319 , 6297293481 , 7453890541
n×2
39980210
n×3
59970315
n×4
79960420
n×5
99950525
n÷2
9995052.5
n÷3
6663368.3333333
n÷3
4997526.25
n÷5
3998021
n2
399604297911025
n3
7.9881318736927E+21
n4
1.5968359490896E+29
n5
3.1920918290076E+36
2 √n
4471.029523499
3 √n
271.39698900439
4 √n
66.865757480934
5 √n
28.851142449838
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19990104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19990105 can be divided by 4 positive divisors.
The sum of these divisors (counting 19990105) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000011001011001
3
Ternary
1101121121021021
4
Quaternary
1030100121121
5
Quinary
20104140410
6
Senary
1552242441
8
Octal
114203131
10
Decimal
19990105
12
Duodecimal
6840421
16
Hexadecimal
1310659
20
Vigesimal
64if55
36
Base36
bwggp
md5
e8b6cb50fb68fdd9c932d51bd2744c9a
sha1
03c6ba29c134ba867831265023964054220fb505
sha256
f361fbb14830d5d3c0269a52a7952222f33e0d5a752ff145a666b51a1b99017e
sha512
df64a4ac88b73dbd2aa87717d6ae50795944cf2db8d70fdf2f3308432a1967f2f231f85c9f6b10062a7e4e231f97bc5908ad41d0d0ad4e2aaf624bf3b62f471b
ripemd-160
9e1e2d9f140e0e7c36b594e02e72d68f31222242
Diameter
39980210
Circumference
125601534.02498
Area
1.2553939266602E+15
Volume
3.3460608547066E+22
Surface area
5.0215757066407E+15
Circumference
125601534.02498
Perimeter
79960420
Area
399604297911025
Diagonal
28270277.604262
Surface area
2397625787466150
Volume
7.9881318736927E+21
Space diagonal
34623877.508637
Perimeter
59970315
Area
1.730337367262E+14
Altitude
17311938.754318
Surface area
1.730337367262E+14
Volume
9.4141036948341E+20
Height
9423425.8680874