1990397386 is an even 10-digits composite number following 1990397385
and preceding 1990397387 . In scientific notation, it is written as 1.990397386 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 980521360 positive integers (up to 1990397386) that are relatively prime to 1990397386.
1990397386 has 16 divisors, whose sum is 3029685120
The reverse of 1990397386 is 6837930991
Previous prime number is 1847
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion nine hundred ninety million three hundred ninety-seven thousand three hundred eighty-six
Scientific notation
1.990397386 × 10^9
Engineering notation
1.990397386 × 10^9
Prime Factorization
2 × 71 × 1847 × 7589
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1990397386 Product of the distinct prime numbers
The prime factorization of 1990397386 is 2 × 71 × 1847 × 7589.
Since it has a total of 4 prime factors.
2 , 7 , 3 , 86 , 84 , 642 , 8019 , 9550 , 98703 , 80995 , 307922 , 865090 , 1153576 , 8753714 , 93869336 , 64836818 , 793275572 , 162759898 , 6844609086 , 2876927158
n×2
3980794772
n×3
5971192158
n×4
7961589544
n×5
9951986930
n÷2
995198693
n÷3
663465795.33333
n÷3
497599346.5
n÷5
398079477.2
n2
3961681754195632996
n3
7.8853210077149E+27
n4
1.5694922321527E+37
n5
3.123913236224E+46
2 √n44613.869883703
3 √n1257.9013915191
4 √n211.21995616822
5 √n72.40823452381
1 , 2 , 71 , 142 , 1847 , 3694 , 7589 , 15178 , 131137 , 262274 , 538819 , 1077638 , 14016883 , 28033766 , 995198693 , 1990397386
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
-1990397385 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 1990397386 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990397386) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000110000110111001010
3
Ternary
12010201021122220201
4
Quaternary
1312220300313022
5
Quinary
13034020204021
6
Senary
525301042414
8
Octal
16650606712
10
Decimal
1990397386
12
Duodecimal
4766b640a
16
Hexadecimal
76a30dca
20
Vigesimal
1b1jjd96
36
Base36
wx14ga
md5
cc72da9d1c1c3b7d4948e00d01839bbb
sha1
fa7c4e04b8055685e4a938b44726c57a356b3b0d
sha256
ddae1b4c8b45b601a72ae7fb9c88849ce304f7d43b428a930ceb6ea8bf8671cf
sha512
d63823c816706b0a7c407729d0bd9178de741d5e46f4c9c0edcd7c386f0f9776fd24c31913e16b35bf785b41d57ef3292151efb68478499d2dbf24dbabb5cfcc
ripemd-160
fe84821abd9a3bd30b9290a257f258566b089793
Diameter
3980794772
Circumference
12506035611.164
Area
1.2445990294842E+19
Volume
3.3029955398712E+28
Surface area
4.9783961179367E+19
Circumference
12506035611.164
Perimeter
7961589544
Area
3961681754195632996
Diagonal
2814846977.7932
Surface area
2.3770090525174E+19
Volume
7.8853210077149E+27
Space diagonal
3447469399.8043
Perimeter
5971192158
Area
1.7154585204214E+18
Altitude
1723734699.9021
Surface area
1.7154585204214E+18
Volume
9.2929399273132E+26
Height
938282325.93105