19990788 is an even 8-digits composite number following 19990787
and preceding 19990789 . In scientific notation, it is written as 1.9990788 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 6663592 positive integers (up to 19990788) that are relatively prime to 19990788.
19990788 has 12 divisors, whose sum is 46645200
The reverse of 19990788 is 88709991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred ninety thousand seven hundred eighty-eight
Scientific notation
1.9990788 × 10^7
Engineering notation
1.9990788 × 10^6
Prime Factorization
2 × 2 × 3 × 1665899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9995394
Product of the distinct prime numbers
The prime factorization of 19990788 is 2 × 2 × 3 × 1665899.
Since it has a total of 4 prime factors.
9 , 9 , 79 , 1 , 678 , 643 , 6481 , 1237 , 89615 , 58983 , 157940 , 456336 , 153736 , 6153156 , 95724879 , 38382565 , 195826410 , 894867433 , 8068042162 , 5033522596
n×2
39981576
n×3
59972364
n×4
79963152
n×5
99953940
n÷2
9995394
n÷3
6663596
n÷3
4997697
n÷5
3998157.6
n2
399631604860944
n3
7.9889506908749E+21
n4
1.5970541960373E+29
n5
3.1926371857493E+36
2 √n
4471.105903465
3 √n
271.40007990082
4 √n
66.866328622596
5 √n
28.851339597987
1 , 2 , 3 , 4 , 6 , 12 , 1665899 , 3331798 , 4997697 , 6663596 , 9995394 , 19990788
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
-19990787
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 19990788 can be divided by 12 positive divisors.
The sum of these divisors (counting 19990788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010000100100000100
3
Ternary
1101121122012120
4
Quaternary
1030100210010
5
Quinary
20104201123
6
Senary
1552245540
8
Octal
114204404
10
Decimal
19990788
12
Duodecimal
68408b0
16
Hexadecimal
1310904
20
Vigesimal
64igj8
36
Base36
bwgzo
md5
0b3742543749832d66eba231cf0ff66c
sha1
e3bc2fe28ed941b3ba1da5b9c7561340014fd0f8
sha256
c0a4ef9449b464fb8c822de4cc2a1ce9ad40cc89f683a1739f2f785d6254b1f8
sha512
f03229020c78ad97cee90661f0789d5186aa67922308f50f92f59decbd367396ae9162b83553f10a745e2363dc026e8b77a243ad0e574d3517d03988fa19f7e4
ripemd-160
07c88d3d2e78bfea8c70ee0e59ae1f9d9b699292
Diameter
39981576
Circumference
125605825.44054
Area
1.2554797139734E+15
Volume
3.3464038400458E+22
Surface area
5.0219188558938E+15
Circumference
125605825.44054
Perimeter
79963152
Area
399631604860944
Diagonal
28271243.512125
Surface area
2397789629165664
Volume
7.9889506908749E+21
Space diagonal
34625060.499338
Perimeter
59972364
Area
1.7304556098236E+14
Altitude
17312530.249669
Surface area
1.7304556098236E+14
Volume
9.4150686801377E+20
Height
9423747.8373751