1388266986 is an even 10-digits composite number following 1388266985
and preceding 1388266987 . In scientific notation, it is written as 1.388266986 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 447828000 positive integers (up to 1388266986) that are relatively prime to 1388266986.
1388266986 has 16 divisors, whose sum is 2866099968
The reverse of 1388266986 is 6896628831
Previous prime number is 31
Is Prime? no
Number parity even
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion three hundred eighty-eight million two hundred sixty-six thousand nine hundred eighty-six
Scientific notation
1.388266986 × 10^9
Engineering notation
1.388266986 × 10^9
Prime Factorization
2 × 3 × 31 × 7463801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388266986
Product of the distinct prime numbers
The prime factorization of 1388266986 is 2 × 3 × 31 × 7463801.
Since it has a total of 4 prime factors.
4 , 7 , 35 , 84 , 997 , 105 , 8623 , 302 , 26765 , 91537 , 739776 , 819822 , 1920285 , 424371 , 81368252 , 75827791 , 258762448 , 168689346 , 1724624156 , 4294192277
n×2
2776533972
n×3
4164800958
n×4
5553067944
n×5
6941334930
n÷2
694133493
n÷3
462755662
n÷3
347066746.5
n÷5
277653397.2
n2
1927285224417524196
n3
2.6755864496645E+27
n4
3.7144283362581E+36
n5
5.15661823109E+45
2 √n
37259.454987962
3 √n
1115.5550296943
4 √n
193.02708356073
5 √n
67.374351686019
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 7463801 , 14927602 , 22391403 , 44782806 , 231377831 , 462755662 , 694133493 , 1388266986
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
-1388266985
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 1388266986 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388266986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111110100010111101010
3
Ternary
10120202021021021210
4
Quaternary
1102233310113222
5
Quinary
10320344020421
6
Senary
345431213550
8
Octal
12257642752
10
Decimal
1388266986
12
Duodecimal
328b172b6
16
Hexadecimal
52bf45ea
20
Vigesimal
11dgd796
36
Base36
myjdnu
md5
b37788802dee0367e2cb6c3ae33a1558
sha1
262ea3f666b8b077ba5e28cefd079f799817960b
sha256
932a6345efa291cc621d7c45814ff9eee8551e2e15cebba94b671adc48142674
sha512
504220def109c15199eb190d6974c3623eb745850f87bdf170740c4ad2322f0587a8b92cee1a7341cf560acdd4641de758de265efec2a1b85783712b83d35cfb
ripemd-160
b2283982bcc8a18e351a86e1c93ae23d6436ede6
Diameter
2776533972
Circumference
8722738728.8777
Area
6.0547451024022E+18
Volume
1.1207470312414E+28
Surface area
2.4218980409609E+19
Circumference
8722738728.8777
Perimeter
5553067944
Area
1927285224417524196
Diagonal
1963305999.796
Surface area
1.1563711346505E+19
Volume
2.6755864496645E+27
Space diagonal
2404548954.2225
Perimeter
4164800958
Area
8.3453898234198E+17
Altitude
1202274477.1113
Surface area
8.3453898234198E+17
Volume
3.1532088703476E+26
Height
654435333.26534