1990389430 is an even 10-digits composite number following 1990389429
and preceding 1990389431 . In scientific notation, it is written as 1.990389430 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 790343872 positive integers (up to 1990389430) that are relatively prime to 1990389430.
1990389430 has 16 divisors, whose sum is 3608854560
The reverse of 1990389430 is 0349830991
Previous prime number is 137
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion nine hundred ninety million three hundred eighty-nine thousand four hundred thirty
Scientific notation
1.990389430 × 10^9
Engineering notation
1.990389430 × 10^9
Prime Factorization
2 × 5 × 137 × 1452839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990389430
Product of the distinct prime numbers
The prime factorization of 1990389430 is 2 × 5 × 137 × 1452839.
Since it has a total of 4 prime factors.
7 , 2 , 16 , 19 , 834 , 509 , 6975 , 9479 , 19731 , 10121 , 376688 , 135763 , 4042511 , 1025680 , 74889290 , 32175744 , 933307871 , 297504931 , 5971893857 , 2507556423
n×2
3980778860
n×3
5971168290
n×4
7961557720
n×5
9951947150
n÷2
995194715
n÷3
663463143.33333
n÷3
497597357.5
n÷5
398077886
n2
3961650083055724900
n3
7.8852264506727E+27
n4
1.5694671380575E+37
n5
3.1238508023221E+46
2 √n
44613.780718518
3 √n
1257.8997154925
4 √n
211.21974509623
5 √n
72.408176637798
1 , 2 , 5 , 10 , 137 , 274 , 685 , 1370 , 1452839 , 2905678 , 7264195 , 14528390 , 199038943 , 398077886 , 995194715 , 1990389430
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
-1990389429
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 1990389430 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990389430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000101110111010110110
3
Ternary
12010201021021000001
4
Quaternary
1312220232322312
5
Quinary
13034014430210
6
Senary
525300541514
8
Octal
16650567266
10
Decimal
1990389430
12
Duodecimal
4766b189a
16
Hexadecimal
76a2eeb6
20
Vigesimal
1b1jidba
36
Base36
wx0yba
md5
af4864c80a22cbf044f018e839848511
sha1
ea4ca9931fc38702761a6b83b6e29ad3fefb77b8
sha256
263c6fe986c1525cfa3c952486f6658d7fb52fb78d6589fb34dc78063c3f4561
sha512
fafd584c9d2a64e1e3f9726921d53c443f89cd9b48260bad7d94f40d5674084e157e61a4a64902ac810877e3512e4d776fadd6be9d6555462da30a3d9865edae
ripemd-160
0928176081482ca7733f79ac0b131103332ae1b1
Diameter
3980778860
Circumference
12505985622.142
Area
1.2445890797021E+19
Volume
3.3029559319101E+28
Surface area
4.9783563188085E+19
Circumference
12505985622.142
Perimeter
7961557720
Area
3961650083055724900
Diagonal
2814835726.3101
Surface area
2.3769900498334E+19
Volume
7.8852264506727E+27
Space diagonal
3447455619.6081
Perimeter
5971168290
Area
1.7154448064155E+18
Altitude
1723727809.804
Surface area
1.7154448064155E+18
Volume
9.2928284907704E+26
Height
938278575.43668