1990990437 is an odd 10-digits composite number following 1990990436
and preceding 1990990438 . In scientific notation, it is written as 1.990990437 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 1327326956 positive integers (up to 1990990437) that are relatively prime to 1990990437.
1990990437 has 4 divisors, whose sum is 2654653920
The reverse of 1990990437 is 7340990991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred ninety million nine hundred ninety thousand four hundred thirty-seven
Scientific notation
1.990990437 × 10^9
Engineering notation
1.990990437 × 10^9
Prime Factorization
3 × 663663479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990990437
Product of the distinct prime numbers
The prime factorization of 1990990437 is 3 × 663663479.
Since it has a total of 2 prime factors.
7 , 4 , 80 , 8 , 869 , 386 , 7424 , 4808 , 48426 , 29255 , 259103 , 569764 , 6664508 , 285164 , 11328168 , 67746810 , 292563859 , 853684481 , 370446146 , 4541896279
n×2
3981980874
n×3
5972971311
n×4
7963961748
n×5
9954952185
n÷2
995495218.5
n÷3
663663479
n÷3
497747609.25
n÷5
398198087.4
n2
3964042920225450969
n3
7.8923715460264E+27
n4
1.571363627339E+37
n5
3.1285699550815E+46
2 √n
44620.515875548
3 √n
1258.0263122349
4 √n
211.23568797802
5 √n
72.412548904366
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990990436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990990437 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990990437) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101011000001101001100101
3
Ternary
12010202101210102120
4
Quaternary
1312223001221211
5
Quinary
13034143143222
6
Senary
525321500153
8
Octal
16653015145
10
Decimal
1990990437
12
Duodecimal
476941659
16
Hexadecimal
76ac1a65
20
Vigesimal
1b23dg1h
36
Base36
wxdu1x
md5
99f26773f8df6cb7adac2550fcfccb9d
sha1
c388ec7f86f1c852c00bd371ba636e7f23692ec8
sha256
4002cae4b36dc9c7ab47d80f49d47ccbb0387cd66ddada51fd42267bc074cae7
sha512
6dff5088707499f8c1a6c3e95440d5e58c2692a989423e6bbff4c7170f82f0beaee26836db7d2cdeedc4cd933ad7a54790a9f888f13f8d11d94f2028e58797a6
ripemd-160
dd3bbd840c246dd3c325c7154b835e353f40af95
Diameter
3981980874
Circumference
12509761860.493
Area
1.2453408116695E+19
Volume
3.305948862453E+28
Surface area
4.981363246678E+19
Circumference
12509761860.493
Perimeter
7963961748
Area
3964042920225450969
Diagonal
2815685678.5605
Surface area
2.3784257521353E+19
Volume
7.8923715460264E+27
Space diagonal
3448496594.2678
Perimeter
5972971311
Area
1.7164809353035E+18
Altitude
1724248297.1339
Surface area
1.7164809353035E+18
Volume
9.3012490663984E+26
Height
938561892.85351