1990409644 is an even 10-digits composite number following 1990409643
and preceding 1990409645 . In scientific notation, it is written as 1.990409644 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 993293600 positive integers (up to 1990409644) that are relatively prime to 1990409644.
1990409644 has 12 divisors, whose sum is 3489906168
The reverse of 1990409644 is 4469040991
Previous prime number is 521
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion nine hundred ninety million four hundred nine thousand six hundred forty-four
Scientific notation
1.990409644 × 10^9
Engineering notation
1.990409644 × 10^9
Prime Factorization
2 × 2 × 521 × 955091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
995204822
Product of the distinct prime numbers
The prime factorization of 1990409644 is 2 × 2 × 521 × 955091.
Since it has a total of 4 prime factors.
3 , 2 , 65 , 91 , 150 , 378 , 9328 , 7257 , 49448 , 79925 , 176653 , 905180 , 6462380 , 6815962 , 75343605 , 93147679 , 262852347 , 781043526 , 465661363 , 8732923939
n×2
3980819288
n×3
5971228932
n×4
7961638576
n×5
9952048220
n÷2
995204822
n÷3
663469881.33333
n÷3
497602411
n÷5
398081928.8
n2
3961730550928206736
n3
7.8854666954969E+27
n4
1.5695308958158E+37
n5
3.1240094315877E+46
2 √n
44614.007262294
3 √n
1257.9039738047
4 √n
211.22028137064
5 √n
72.408323709815
1 , 2 , 4 , 521 , 1042 , 2084 , 955091 , 1910182 , 3820364 , 497602411 , 995204822 , 1990409644
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
-1990409643
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 1990409644 can be divided by 12 positive divisors.
The sum of these divisors (counting 1990409644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101000110011110110101100
3
Ternary
12010201022021201201
4
Quaternary
1312220303312230
5
Quinary
13034021102034
6
Senary
525301215244
8
Octal
16650636654
10
Decimal
1990409644
12
Duodecimal
476701524
16
Hexadecimal
76a33dac
20
Vigesimal
1b201424
36
Base36
wx1dws
md5
8ab084dc290e1ffa69172327f98bf4f3
sha1
fbf03a977d712ea62bf56ec0da00f2a22cd212e3
sha256
001ba0eab8ebeef05dc7c7eeedc2bc56be282b33c2731c1b8506f65b72654a8f
sha512
d3a86c4c996930d8dcb503d5e34b020049209e518cdde928f1ae320c8ccc707d507983392ed994246a66e45884519a28f56d986a4f116a3ee71dd2ad44167206
ripemd-160
68dca88aed79e7c2b43f34981ba307f8b326de60
Diameter
3980819288
Circumference
12506112630.449
Area
1.2446143594298E+19
Volume
3.3030565654267E+28
Surface area
4.9784574377193E+19
Circumference
12506112630.449
Perimeter
7961638576
Area
3961730550928206736
Diagonal
2814864313.223
Surface area
2.3770383305569E+19
Volume
7.8854666954969E+27
Space diagonal
3447490631.2831
Perimeter
5971228932
Area
1.7154796500264E+18
Altitude
1723745315.6415
Surface area
1.7154796500264E+18
Volume
9.2931116220109E+26
Height
938288104.40767