1990409643 is an odd 10-digits composite number following 1990409642
and preceding 1990409644 . In scientific notation, it is written as 1.990409643 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 1325631456 positive integers (up to 1990409643) that are relatively prime to 1990409643.
1990409643 has 12 divisors, whose sum is 2877870840
The reverse of 1990409643 is 3469040991
Previous prime number is 1019
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred ninety million four hundred nine thousand six hundred forty-three
Scientific notation
1.990409643 × 10^9
Engineering notation
1.990409643 × 10^9
Prime Factorization
3 × 3 × 1019 × 217033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
663469881
Product of the distinct prime numbers
The prime factorization of 1990409643 is 3 × 3 × 1019 × 217033.
Since it has a total of 4 prime factors.
9 , 10 , 33 , 93 , 390 , 965 , 685 , 775 , 31309 , 61429 , 278339 , 897424 , 334299 , 2261302 , 37843829 , 2141426 , 349547390 , 76041535 , 4437413258 , 1417362295
n×2
3980819286
n×3
5971228929
n×4
7961638572
n×5
9952048215
n÷2
995204821.5
n÷3
663469881
n÷3
497602410.75
n÷5
398081928.6
n2
3961730546947387449
n3
7.8854666836117E+27
n4
1.5695308926616E+37
n5
3.1240094237401E+46
2 √n
44614.007251087
3 √n
1257.903973594
4 √n
211.22028134411
5 √n
72.408323702539
1 , 3 , 9 , 1019 , 3057 , 9171 , 217033 , 651099 , 1953297 , 221156627 , 663469881 , 1990409643
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
-1990409642
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 1990409643 can be divided by 12 positive divisors.
The sum of these divisors (counting 1990409643) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101000110011110110101011
3
Ternary
12010201022021201200
4
Quaternary
1312220303312223
5
Quinary
13034021102033
6
Senary
525301215243
8
Octal
16650636653
10
Decimal
1990409643
12
Duodecimal
476701523
16
Hexadecimal
76a33dab
20
Vigesimal
1b201423
36
Base36
wx1dwr
md5
0cee27e16657b19fbd22cab86fb67132
sha1
505d6b155fda768b204ccc8d8d2e84d20d4270e8
sha256
e4638dea2c9ea2db4ff4542a9ff165468c12d53ca5d970af60fdd27633322479
sha512
3d4b9cf0e49869ffb208e57e896b11bfed7616be6cfc928033dc7f7fc6e04e94f8e8c9c102be6cdc80b230ccfbc735ae7deee7a632c22a4283391e9cb53cd5bc
ripemd-160
d9d50d9dfc6b189b1c576f3fd25747f3d9a4c372
Diameter
3980819286
Circumference
12506112624.166
Area
1.2446143581792E+19
Volume
3.3030565604482E+28
Surface area
4.9784574327169E+19
Circumference
12506112624.166
Perimeter
7961638572
Area
3961730546947387449
Diagonal
2814864311.8088
Surface area
2.3770383281684E+19
Volume
7.8854666836117E+27
Space diagonal
3447490629.551
Perimeter
5971228929
Area
1.7154796483026E+18
Altitude
1723745314.7755
Surface area
1.7154796483026E+18
Volume
9.2931116080041E+26
Height
938288103.93626