1990408895 is an odd 10-digits composite number following 1990408894
and preceding 1990408896 . In scientific notation, it is written as 1.990408895 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 1547610624 positive integers (up to 1990408895) that are relatively prime to 1990408895.
1990408895 has 16 divisors, whose sum is 2455705920
The reverse of 1990408895 is 5988040991
Previous prime number is 1009
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion nine hundred ninety million four hundred eight thousand eight hundred ninety-five
Scientific notation
1.990408895 × 10^9
Engineering notation
1.990408895 × 10^9
Prime Factorization
5 × 37 × 1009 × 10663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990408895
Product of the distinct prime numbers
The prime factorization of 1990408895 is 5 × 37 × 1009 × 10663.
Since it has a total of 4 prime factors.
4 , 10 , 80 , 55 , 320 , 294 , 4281 , 5124 , 59390 , 88091 , 873891 , 784117 , 6953185 , 1375987 , 67956824 , 97689059 , 888245345 , 819058987 , 9128474581 , 6463130119
n×2
3980817790
n×3
5971226685
n×4
7961635580
n×5
9952044475
n÷2
995204447.5
n÷3
663469631.66667
n÷3
497602223.75
n÷5
398081779
n2
3961727569295121025
n3
7.8854577934917E+27
n4
1.5695285333313E+37
n5
3.1240035536989E+46
2 √n
44613.998868068
3 √n
1257.9038160197
4 √n
211.22026149986
5 √n
72.408318260299
1 , 5 , 37 , 185 , 1009 , 5045 , 10663 , 37333 , 53315 , 186665 , 394531 , 1972655 , 10758967 , 53794835 , 398081779 , 1990408895
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990408894
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990408895 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990408895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000110011101010111111
3
Ternary
12010201022020200222
4
Quaternary
1312220303222333
5
Quinary
13034021041040
6
Senary
525301211555
8
Octal
16650635277
10
Decimal
1990408895
12
Duodecimal
476700bbb
16
Hexadecimal
76a33abf
20
Vigesimal
1b20124f
36
Base36
wx1dbz
md5
2c65fefd67f8ffa40d8b6089d92bc3c9
sha1
ac6bb7d430ded50e755bc25c05556f69dea83f3f
sha256
87684f36e8c9488ac1941ea8b4bd99495437b402b5da4757fb7686febf6db855
sha512
94617ebfb4de2c87cf79b8c57b24b0477efd713567bbe560ec0e54c941a86d7ee5a39f14f1b4b19bea27986957dd9488de7d1ac89cbdd61de4a557a38eadb2b7
ripemd-160
18a89cda7caf7ff1b8bb9d9ec11d398572c60bb3
Diameter
3980817790
Circumference
12506107924.344
Area
1.2446134227222E+19
Volume
3.3030528365635E+28
Surface area
4.9784536908887E+19
Circumference
12506107924.344
Perimeter
7961635580
Area
3961727569295121025
Diagonal
2814863253.977
Surface area
2.3770365415771E+19
Volume
7.8854577934917E+27
Space diagonal
3447489333.977
Perimeter
5971226685
Area
1.7154783589414E+18
Altitude
1723744666.9885
Surface area
1.7154783589414E+18
Volume
9.2931011308972E+26
Height
938287751.32568