1686827990 is an even 10-digits composite number following 1686827989
and preceding 1686827991 . In scientific notation, it is written as 1.686827990 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 674405760 positive integers (up to 1686827990) that are relatively prime to 1686827990.
1686827990 has 16 divisors, whose sum is 3037754880
The reverse of 1686827990 is 0997286861
Previous prime number is 2129
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion six hundred eighty-six million eight hundred twenty-seven thousand nine hundred ninety
Scientific notation
1.686827990 × 10^9
Engineering notation
1.686827990 × 10^9
Prime Factorization
2 × 5 × 2129 × 79231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1686827990
Product of the distinct prime numbers
The prime factorization of 1686827990 is 2 × 5 × 2129 × 79231.
Since it has a total of 4 prime factors.
3 , 9 , 81 , 55 , 656 , 19 , 1140 , 2610 , 90150 , 77725 , 129988 , 978859 , 5681229 , 5123179 , 15655407 , 53461432 , 373722402 , 458723433 , 7890502623 , 3853581741
n×2
3373655980
n×3
5060483970
n×4
6747311960
n×5
8434139950
n÷2
843413995
n÷3
562275996.66667
n÷3
421706997.5
n÷5
337365598
n2
2845388667847440100
n3
4.7996812473539E+27
n4
8.0962366711146E+36
n5
1.3656958630501E+46
2 √n
41071.011553162
3 √n
1190.3927310479
4 √n
202.65984198445
5 √n
70.050971030497
1 , 2 , 5 , 10 , 2129 , 4258 , 10645 , 21290 , 79231 , 158462 , 396155 , 792310 , 168682799 , 337365598 , 843413995 , 1686827990
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
-1686827989
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 1686827990 can be divided by 16 positive divisors.
The sum of these divisors (counting 1686827990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100100010101111001111010110
3
Ternary
11100120001201222202
4
Quaternary
1210202233033112
5
Quinary
11423311443430
6
Senary
435214324502
8
Octal
14442571726
10
Decimal
1686827990
12
Duodecimal
3b0ab9732
16
Hexadecimal
648af3d6
20
Vigesimal
1672d9ja
36
Base36
rwakt2
md5
5eb6f1b67d24521251b611b354a37a9c
sha1
c71da62f3d3c298240d2405209f464f576b9ab28
sha256
886712e31e1cdd5715e3524f104d03205c14d686bff496407f00055c942d70e0
sha512
fa4dd2b538a16828c3431961ca7f56c1c4db0fbba1ac4778ee8053ad83ba807e82b8ff1390188ad7e4555f1a1e36fa637f6fb43c405ca1c6c4a2355e54fd57da
ripemd-160
29affd2033a3e3a1a21e1acce56af1fa842acb74
Diameter
3373655980
Circumference
10598652842.507
Area
8.9390521355172E+18
Volume
2.0104857795013E+28
Surface area
3.5756208542069E+19
Circumference
10598652842.507
Perimeter
6747311960
Area
2845388667847440100
Diagonal
2385535020.8485
Surface area
1.7072332007085E+19
Volume
4.7996812473539E+27
Space diagonal
2921671782.3093
Perimeter
5060483970
Area
1.2320894349981E+18
Altitude
1460835891.1546
Surface area
1.2320894349981E+18
Volume
5.6564785958964E+26
Height
795178340.28285