1986349849 is an odd 10-digits composite number following 1986349848
and preceding 1986349850 . In scientific notation, it is written as 1.986349849 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 1805481600 positive integers (up to 1986349849) that are relatively prime to 1986349849.
1986349849 has 8 divisors, whose sum is 2167276320
The reverse of 1986349849 is 9489436891
Previous prime number is 8971
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred eighty-six million three hundred forty-nine thousand eight hundred forty-nine
Scientific notation
1.986349849 × 10^9
Engineering notation
1.986349849 × 10^9
Prime Factorization
11 × 8971 × 20129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1986349849
Product of the distinct prime numbers
The prime factorization of 1986349849 is 11 × 8971 × 20129.
Since it has a total of 3 prime factors.
8 , 1 , 64 , 77 , 235 , 842 , 9982 , 872 , 67154 , 75464 , 253241 , 597528 , 9152555 , 278629 , 48782029 , 82980491 , 723208805 , 325068871 , 9129696314 , 3618759141
n×2
3972699698
n×3
5959049547
n×4
7945399396
n×5
9931749245
n÷2
993174924.5
n÷3
662116616.33333
n÷3
496587462.25
n÷5
397269969.8
n2
3945585722622322801
n3
7.8373136043474E+27
n4
1.5567646694561E+37
n5
3.0922792661027E+46
2 √n
44568.484930498
3 √n
1257.0481519363
4 √n
211.11249354431
5 √n
72.378761646418
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1986349848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1986349849 can be divided by 8 positive divisors.
The sum of these divisors (counting 1986349849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110011001010100101100011001
3
Ternary
12010102200000201221
4
Quaternary
1312121110230121
5
Quinary
13032001143344
6
Senary
525034212041
8
Octal
16631245431
10
Decimal
1986349849
12
Duodecimal
475284021
16
Hexadecimal
76654b19
20
Vigesimal
1b0edec9
36
Base36
wumdcp
md5
63ad5d5b3d1fe706121ba2c77c9ed2f0
sha1
a67e783ddcd92c66dd79cca90c4134f7b5e0d196
sha256
c0155b023ddc8d93cd3386258678cdf5be3a9c64a080f75c12f2e7ad41a8df0a
sha512
19b8b433fe8c207beff8836d2445001c7cdde5e1e943715b4b6b7f9d5ad836b16c7bb3d78926b2ee875e85eb0304f43984bfb0eeac2a0bf41bd408791ffe1a2e
ripemd-160
cd84010638c661ead436b5cf8162df9c40fc9dfb
Diameter
3972699698
Circumference
12480604186.155
Area
1.2395423120299E+19
Volume
3.282886245773E+28
Surface area
4.9581692481196E+19
Circumference
12480604186.155
Perimeter
7945399396
Area
3945585722622322801
Diagonal
2809122896.0735
Surface area
2.3673514335734E+19
Volume
7.8373136043474E+27
Space diagonal
3440458860.0748
Perimeter
5959049547
Area
1.7084887343001E+18
Altitude
1720229430.0374
Surface area
1.7084887343001E+18
Volume
9.2363626598661E+26
Height
936374298.69118