1990398469 is an odd 10-digits composite number following 1990398468
and preceding 1990398470 . In scientific notation, it is written as 1.990398469 × 10^9.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 1985146380 positive integers (up to 1990398469) that are relatively prime to 1990398469.
1990398469 has 4 divisors, whose sum is 1995650560
The reverse of 1990398469 is 9648930991
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion nine hundred ninety million three hundred ninety-eight thousand four hundred sixty-nine
Scientific notation
1.990398469 × 10^9
Engineering notation
1.990398469 × 10^9
Prime Factorization
379 × 5251711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990398469
Product of the distinct prime numbers
The prime factorization of 1990398469 is 379 × 5251711.
Since it has a total of 2 prime factors.
6 , 10 , 56 , 80 , 690 , 541 , 4450 , 8355 , 62158 , 15265 , 973099 , 452698 , 6403676 , 3530010 , 98691335 , 26651699 , 886814643 , 977643578 , 1451767019 , 4861406018
n×2
3980796938
n×3
5971195407
n×4
7961593876
n×5
9951992345
n÷2
995199234.5
n÷3
663466156.33333
n÷3
497599617.25
n÷5
398079693.8
n2
3961686065397543961
n3
7.8853338792259E+27
n4
1.5694956480765E+37
n5
3.1239217350336E+46
2 √n
44613.882021183
3 √n
1257.9016196656
4 √n
211.21998490006
5 √n
72.408242403453
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
-1990398468
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 1990398469 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990398469) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000110001001000000101
3
Ternary
12010201021201101211
4
Quaternary
1312220301020011
5
Quinary
13034020222334
6
Senary
525301051421
8
Octal
16650611005
10
Decimal
1990398469
12
Duodecimal
4766b6b71
16
Hexadecimal
76a31205
20
Vigesimal
1b1jjg39
36
Base36
wx15ad
md5
d5999625a12f06133bd0c35750a3baff
sha1
db8a4c083da6c6f11495a062cfc3ebae5a395c16
sha256
d3fce6131b6cb2fcba1f5a574883d8de0ba502067c08de2c60bc4176740c6018
sha512
72fdcdcee42eb7b35a68de7882af1e3429cd909a0c1fd1b70f3798434ea2b4231d4d371f0380ed4b3713da6410f01b70d54138d7555461e4659812ff13cbf6d4
ripemd-160
345eafd4c0f44569b85c86bedca9084c57102d46
Diameter
3980796938
Circumference
12506042415.854
Area
1.2446003838882E+19
Volume
3.3030009314772E+28
Surface area
4.9784015355528E+19
Circumference
12506042415.854
Perimeter
7961593876
Area
3961686065397543961
Diagonal
2814848509.3864
Surface area
2.3770116392385E+19
Volume
7.8853338792259E+27
Space diagonal
3447471275.6153
Perimeter
5971195407
Area
1.7154603872265E+18
Altitude
1723735637.8077
Surface area
1.7154603872265E+18
Volume
9.2929550965344E+26
Height
938282836.46215