1990389426 is an even 10-digits composite number following 1990389425
and preceding 1990389427 . In scientific notation, it is written as 1.990389426 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 640088000 positive integers (up to 1990389426) that are relatively prime to 1990389426.
1990389426 has 16 divisors, whose sum is 4020193728
The reverse of 1990389426 is 6249830991
Previous prime number is 3284471
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred ninety million three hundred eighty-nine thousand four hundred twenty-six
Scientific notation
1.990389426 × 10^9
Engineering notation
1.990389426 × 10^9
Prime Factorization
2 × 3 × 3284471 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990389426
Product of the distinct prime numbers
The prime factorization of 1990389426 is 2 × 3 × 3284471 × 101.
Since it has a total of 4 prime factors.
2 , 4 , 26 , 73 , 792 , 769 , 8797 , 2679 , 1342 , 88467 , 950972 , 720765 , 1187414 , 702625 , 69429687 , 26215248 , 876436799 , 736874337 , 7924675726 , 1591466889
n×2
3980778852
n×3
5971168278
n×4
7961557704
n×5
9951947130
n÷2
995194713
n÷3
663463142
n÷3
497597356.5
n÷5
398077885.2
n2
3961650067132609476
n3
7.8852264031329E+27
n4
1.5694671254412E+37
n5
3.1238507709327E+46
2 √n
44613.780673689
3 √n
1257.8997146498
4 √n
211.21974499011
5 √n
72.408176608695
1 , 2 , 3 , 6 , 101 , 202 , 303 , 606 , 3284471 , 6568942 , 9853413 , 19706826 , 331731571 , 663463142 , 995194713 , 1990389426
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
-1990389425
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 1990389426 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990389426) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000101110111010110010
3
Ternary
12010201021020222220
4
Quaternary
1312220232322302
5
Quinary
13034014430201
6
Senary
525300541510
8
Octal
16650567262
10
Decimal
1990389426
12
Duodecimal
4766b1896
16
Hexadecimal
76a2eeb2
20
Vigesimal
1b1jidb6
36
Base36
wx0yb6
md5
ed2c7744f0809a151ce2f3ebcd89b215
sha1
1160126a932fe0053ab3fe1446621504e26a9ec4
sha256
9f2572b9bc2e4e3286c99e6ab580f9c07fbcc104da0bc6867b0739ef45220eca
sha512
c6a20c292c6832ddaab493f8ce58787c20eb5d1e0f20331b73b8fd910794de5624c40320546eac1060e768cf671e5dca05badca12034852879ca25fa39038b42
ripemd-160
c8f6c7adab11fd83aa73e83237fd10d5c40b5aab
Diameter
3980778852
Circumference
12505985597.009
Area
1.2445890746997E+19
Volume
3.3029559119966E+28
Surface area
4.9783562987989E+19
Circumference
12505985597.009
Perimeter
7961557704
Area
3961650067132609476
Diagonal
2814835720.6532
Surface area
2.3769900402796E+19
Volume
7.8852264031329E+27
Space diagonal
3447455612.6799
Perimeter
5971168278
Area
1.7154447995206E+18
Altitude
1723727806.3399
Surface area
1.7154447995206E+18
Volume
9.2928284347442E+26
Height
938278573.55107