1387645669 is an odd 10-digits composite number following 1387645668
and preceding 1387645670 . In scientific notation, it is written as 1.387645669 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 1347078096 positive integers (up to 1387645669) that are relatively prime to 1387645669.
1387645669 has 8 divisors, whose sum is 1428383520
The reverse of 1387645669 is 9665467831
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion three hundred eighty-seven million six hundred forty-five thousand six hundred sixty-nine
Scientific notation
1.387645669 × 10^9
Engineering notation
1.387645669 × 10^9
Prime Factorization
37 × 443 × 84659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387645669
Product of the distinct prime numbers
The prime factorization of 1387645669 is 37 × 443 × 84659.
Since it has a total of 3 prime factors.
9 , 8 , 44 , 78 , 781 , 234 , 7129 , 9457 , 36606 , 51821 , 977867 , 647182 , 9393372 , 4755924 , 83437623 , 73636473 , 195715029 , 475825529 , 652713166 , 9636868174
n×2
2775291338
n×3
4162937007
n×4
5550582676
n×5
6938228345
n÷2
693822834.5
n÷3
462548556.33333
n÷3
346911417.25
n÷5
277529133.8
n2
1925560502694457561
n3
2.6719956919614E+27
n4
3.7077832495369E+36
n5
5.1450893678107E+45
2 √n
37251.116345688
3 √n
1115.3885831492
4 √n
193.00548268298
5 √n
67.368319946245
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
-1387645668
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 1387645669 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387645669) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101101011100101011100101
3
Ternary
10120201002201000001
4
Quaternary
1102231130223211
5
Quinary
10320214130134
6
Senary
345410021301
8
Octal
12255345345
10
Decimal
1387645669
12
Duodecimal
328877831
16
Hexadecimal
52b5cae5
20
Vigesimal
11dcfe39
36
Base36
my6291
md5
b6398978457d614bfdaa8772427564aa
sha1
7865e8a7e0bb28e7d5d3b1cc21a7d18b96c0dffe
sha256
835598871a0e3d44c2dfc31d7cd2c2c927bb969e3ff515649669d33ef9db2db0
sha512
229ef51b45ed6b62e4156441fbe5319776f6007affbaca0d5d432390fb8cb90660baa3d6e1a75c8186dadcab6362f7ae5d567f88f80e6b7c3e49403c9e3dd67b
ripemd-160
46efe6cc9910d8548906e5d838ec07efb0f8e645
Diameter
2775291338
Circumference
8718834879.0322
Area
6.0493267293076E+18
Volume
1.1192429381719E+28
Surface area
2.419730691723E+19
Circumference
8718834879.0322
Perimeter
5550582676
Area
1925560502694457561
Diagonal
1962427324.8681
Surface area
1.1553363016167E+19
Volume
2.6719956919614E+27
Space diagonal
2403472801.6109
Perimeter
4162937007
Area
8.3379215592867E+17
Altitude
1201736400.8055
Surface area
8.3379215592867E+17
Volume
3.1489771218119E+26
Height
654142441.6227