1990409647 is an odd 10-digits composite number following 1990409646
and preceding 1990409648 . In scientific notation, it is written as 1.990409647 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 1952851992 positive integers (up to 1990409647) that are relatively prime to 1990409647.
1990409647 has 6 divisors, whose sum is 2028675992
The reverse of 1990409647 is 7469040991
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety million four hundred nine thousand six hundred forty-seven
Scientific notation
1.990409647 × 10^9
Engineering notation
1.990409647 × 10^9
Prime Factorization
53 × 53 × 708583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
37554899
Product of the distinct prime numbers
The prime factorization of 1990409647 is 53 × 53 × 708583.
Since it has a total of 3 prime factors.
3 , 2 , 30 , 25 , 53 , 148 , 7852 , 8130 , 76812 , 43482 , 207083 , 877729 , 717823 , 8125818 , 25337185 , 30949957 , 29724616 , 762644291 , 7554547438 , 8939717298
n×2
3980819294
n×3
5971228941
n×4
7961638588
n×5
9952048235
n÷2
995204823.5
n÷3
663469882.33333
n÷3
497602411.75
n÷5
398081929.4
n2
3961730562870664609
n3
7.8854667311525E+27
n4
1.5695309052784E+37
n5
3.1240094551307E+46
2 √n
44614.007295915
3 √n
1257.9039744367
4 √n
211.22028145023
5 √n
72.408323731642
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990409646
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990409647 can be divided by 6 positive divisors.
The sum of these divisors (counting 1990409647) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110110101000110011110110101111
3
Ternary
12010201022021201211
4
Quaternary
1312220303312233
5
Quinary
13034021102042
6
Senary
525301215251
8
Octal
16650636657
10
Decimal
1990409647
12
Duodecimal
476701527
16
Hexadecimal
76a33daf
20
Vigesimal
1b201427
36
Base36
wx1dwv
md5
9e472ac4ab786ddbfb8e7275b0da944b
sha1
2cc0499098b3be79a4a8b8461c60266ff2ffaf73
sha256
c157cbb4e0d4a03b99f1efd826fefda5541376f3250245fad15a8176638f13f2
sha512
200a926a2823fe2c64eb0df18aa7c882d495cd4d54b5f66e99c82993cfdbb8ca7b02be3ef8289f2d97a5cb91ccb7b0878cb5cac3e44aac7c43248c50bcba26c0
ripemd-160
08b4fa714e3eaf09c55675dbdfe7bbdc802e75e3
Diameter
3980819294
Circumference
12506112649.299
Area
1.2446143631817E+19
Volume
3.3030565803621E+28
Surface area
4.9784574527267E+19
Circumference
12506112649.299
Perimeter
7961638588
Area
3961730562870664609
Diagonal
2814864317.4656
Surface area
2.3770383377224E+19
Volume
7.8854667311525E+27
Space diagonal
3447490636.4792
Perimeter
5971228941
Area
1.7154796551976E+18
Altitude
1723745318.2396
Surface area
1.7154796551976E+18
Volume
9.2931116640314E+26
Height
938288105.82188