1990398467 is an odd 10-digits composite number following 1990398466
and preceding 1990398468 . In scientific notation, it is written as 1.990398467 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1989945840 positive integers (up to 1990398467) that are relatively prime to 1990398467.
1990398467 has 4 divisors, whose sum is 1990851096
The reverse of 1990398467 is 7648930991
Previous prime number is 4441
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety million three hundred ninety-eight thousand four hundred sixty-seven
Scientific notation
1.990398467 × 10^9
Engineering notation
1.990398467 × 10^9
Prime Factorization
4441 × 448187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990398467
Product of the distinct prime numbers
The prime factorization of 1990398467 is 4441 × 448187.
Since it has a total of 2 prime factors.
8 , 2 , 39 , 61 , 993 , 672 , 9154 , 8557 , 82374 , 59446 , 369975 , 706717 , 9021097 , 3153802 , 47582584 , 75956854 , 234930344 , 118557898 , 6843258416 , 8198480335
n×2
3980796934
n×3
5971195401
n×4
7961593868
n×5
9951992335
n÷2
995199233.5
n÷3
663466155.66667
n÷3
497599616.75
n÷5
398079693.4
n2
3961686057435950089
n3
7.8853338554558E+27
n4
1.5694956417682E+37
n5
3.1239217193387E+46
2 √n
44613.881998768
3 √n
1257.9016192443
4 √n
211.219984847
5 √n
72.408242388902
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
-1990398466
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 1990398467 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990398467) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000110001001000000011
3
Ternary
12010201021201101202
4
Quaternary
1312220301020003
5
Quinary
13034020222332
6
Senary
525301051415
8
Octal
16650611003
10
Decimal
1990398467
12
Duodecimal
4766b6b6b
16
Hexadecimal
76a31203
20
Vigesimal
1b1jjg37
36
Base36
wx15ab
md5
e7f0c02d93c2cf713e9068611f3eabd5
sha1
b070b2494d21790bb450b30ab43f507dc5cf404e
sha256
dac1b3db4ad7402b8824c09107f83ebc772dfdaf2988e61f52f079b350d0311f
sha512
f6d3203057d845980f17d09999d95b3500af05655ca329c7d677905e509cf9b0eb423d30549381b5916461161ccc7e030fb51098d56b08ca23b96ddc723271a0
ripemd-160
31cd1a76b7cae3de49e500e51c92ffb57e1a3ca6
Diameter
3980796934
Circumference
12506042403.287
Area
1.244600381387E+19
Volume
3.3030009215204E+28
Surface area
4.978401525548E+19
Circumference
12506042403.287
Perimeter
7961593868
Area
3961686057435950089
Diagonal
2814848506.558
Surface area
2.3770116344616E+19
Volume
7.8853338554558E+27
Space diagonal
3447471272.1512
Perimeter
5971195401
Area
1.7154603837791E+18
Altitude
1723735636.0756
Surface area
1.7154603837791E+18
Volume
9.2929550685211E+26
Height
938282835.51934