1990685009 is an odd 10-digits composite number following 1990685008
and preceding 1990685010 . In scientific notation, it is written as 1.990685009 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1989591204 positive integers (up to 1990685009) that are relatively prime to 1990685009.
1990685009 has 4 divisors, whose sum is 1991778816
The reverse of 1990685009 is 9005860991
Previous prime number is 1823
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred ninety million six hundred eighty-five thousand nine
Scientific notation
1.990685009 × 10^9
Engineering notation
1.990685009 × 10^9
Prime Factorization
1823 × 1091983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990685009
Product of the distinct prime numbers
The prime factorization of 1990685009 is 1823 × 1091983.
Since it has a total of 2 prime factors.
5 , 5 , 23 , 89 , 67 , 336 , 5450 , 5540 , 57807 , 29135 , 982790 , 789664 , 4101590 , 55564 , 35028053 , 2183858 , 11341577 , 762282868 , 955982309 , 790376887
n×2
3981370018
n×3
5972055027
n×4
7962740036
n×5
9953425045
n÷2
995342504.5
n÷3
663561669.66667
n÷3
497671252.25
n÷5
398137001.8
n2
3962826805057330081
n3
7.888739914091E+27
n4
1.5703996286881E+37
n5
3.1261709989685E+46
2 √n
44617.093237906
3 √n
1257.9619797461
4 √n
211.22758635629
5 √n
72.410327077799
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
-1990685008
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 1990685009 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990685009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001110111000101010001
3
Ternary
12010201211021110102
4
Quaternary
1312221313011101
5
Quinary
13034103410014
6
Senary
525311142145
8
Octal
16651670521
10
Decimal
1990685009
12
Duodecimal
476814955
16
Hexadecimal
76a77151
20
Vigesimal
1b21fca9
36
Base36
wx7adt
md5
927341ba311c7f7c5b6c3648a3b62efa
sha1
9fa231ab9607e7f2743b47a99a17acda09c28fcb
sha256
42f96fc6bdfeb1279fc26818e8f05a01c1212819cd5fcde5fbcf8420b15a7082
sha512
fe06ee5f5c9f27bd915139162c7fd42da5fbee9ed986fa04dfa8b83f0e94146fd42c85a3c0dbf137e1e808007f672c3a2a93700dd2a4a43015a5f68596f7ac5d
ripemd-160
fec60cb9411731abe907453eacb14d0e496144f9
Diameter
3981370018
Circumference
12507842799.771
Area
1.2449587578217E+19
Volume
3.3044276480252E+28
Surface area
4.9798350312867E+19
Circumference
12507842799.771
Perimeter
7962740036
Area
3962826805057330081
Diagonal
2815253738.1406
Surface area
2.3776960830344E+19
Volume
7.888739914091E+27
Space diagonal
3447967577.4537
Perimeter
5972055027
Area
1.7159543419888E+18
Altitude
1723983788.7269
Surface area
1.7159543419888E+18
Volume
9.2969691471179E+26
Height
938417912.71354