1666872987 is an odd 10-digits composite number following 1666872986
and preceding 1666872988 . In scientific notation, it is written as 1.666872987 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 1025767968 positive integers (up to 1666872987) that are relatively prime to 1666872987.
1666872987 has 8 divisors, whose sum is 2393458704
The reverse of 1666872987 is 7892786661
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion six hundred sixty-six million eight hundred seventy-two thousand nine hundred eighty-seven
Scientific notation
1.666872987 × 10^9
Engineering notation
1.666872987 × 10^9
Prime Factorization
13 × 3 × 42740333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1666872987
Product of the distinct prime numbers
The prime factorization of 1666872987 is 13 × 3 × 42740333.
Since it has a total of 3 prime factors.
4 , 9 , 80 , 53 , 571 , 428 , 5059 , 3328 , 68845 , 57180 , 962308 , 626423 , 1810137 , 3935462 , 20866099 , 12449043 , 523760206 , 126137899 , 1287263648 , 6479464584
n×2
3333745974
n×3
5000618961
n×4
6667491948
n×5
8334364935
n÷2
833436493.5
n÷3
555624329
n÷3
416718246.75
n÷5
333374597.4
n2
2778465554790302169
n3
4.6313491785899E+27
n4
7.7198708391562E+36
n5
1.2868044164918E+46
2 √n
40827.35586589
3 √n
1185.6800234388
4 √n
202.05780327889
5 √n
69.88444197842
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
-1666872986
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 1666872987 can be divided by 8 positive divisors.
The sum of these divisors (counting 1666872987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011010110100111011010011011
3
Ternary
11022011111220212120
4
Quaternary
1203112213122123
5
Quinary
11403204413422
6
Senary
433222512323
8
Octal
14326473233
10
Decimal
1666872987
12
Duodecimal
3a62956a3
16
Hexadecimal
635a769b
20
Vigesimal
160hj297
36
Base36
rkevff
md5
89a1cf465121af18eb49e3effe63c25a
sha1
f96e3b64e64e922e328763439c15b4a662514644
sha256
ca018e27d3f9edd3b42a8d3f169ca7e64c2a29999d7753a8535a987c08d4d2b0
sha512
986eb653da4433d308f7ca0a3e7a2ba282a273c744f4b1da6f802b9be620fc7661bdbace038a3b12e0379f4f23f88d221390089f3801be536ec4164f394b9382
ripemd-160
719649531e1f35a80da6d2a6938b2562fb3ba9bf
Diameter
3333745974
Circumference
10473271860.853
Area
8.7288069751815E+18
Volume
1.9399750074223E+28
Surface area
3.4915227900726E+19
Circumference
10473271860.853
Perimeter
6667491948
Area
2778465554790302169
Diagonal
2357314384.9688
Surface area
1.6670793328742E+19
Volume
4.6313491785899E+27
Space diagonal
2887108703.2481
Perimeter
5000618961
Area
1.2031108769942E+18
Altitude
1443554351.624
Surface area
1.2031108769942E+18
Volume
5.4580973503728E+26
Height
785771461.65625