1388890637 is an odd 10-digits composite number following 1388890636
and preceding 1388890638 . In scientific notation, it is written as 1.388890637 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1368160860 positive integers (up to 1388890637) that are relatively prime to 1388890637.
1388890637 has 4 divisors, whose sum is 1409620416
The reverse of 1388890637 is 7360988831
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion three hundred eighty-eight million eight hundred ninety thousand six hundred thirty-seven
Scientific notation
1.388890637 × 10^9
Engineering notation
1.388890637 × 10^9
Prime Factorization
67 × 20729711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388890637
Product of the distinct prime numbers
The prime factorization of 1388890637 is 67 × 20729711.
Since it has a total of 2 prime factors.
7 , 6 , 62 , 49 , 107 , 2 , 6259 , 5291 , 78890 , 79038 , 885171 , 667403 , 5824596 , 2867355 , 20899636 , 15728517 , 640911532 , 654492737 , 9206569560 , 2172909858
n×2
2777781274
n×3
4166671911
n×4
5555562548
n×5
6944453185
n÷2
694445318.5
n÷3
462963545.66667
n÷3
347222659.25
n÷5
277778127.4
n2
1929017201546265769
n3
2.6791939298396E+27
n4
3.7211073638614E+36
n5
5.1682111769388E+45
2 √n
37267.823078361
3 √n
1115.7220515674
4 √n
193.04875829272
5 √n
67.380403912853
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388890636
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388890637 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388890637) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110010001100101000001101
3
Ternary
10120210102221202222
4
Quaternary
1102302030220031
5
Quinary
10321024000022
6
Senary
345452425125
8
Octal
12262145015
10
Decimal
1388890637
12
Duodecimal
3291781a5
16
Hexadecimal
52c8ca0d
20
Vigesimal
11e0b6bh
36
Base36
mywqvh
md5
c44c9a17e2d8130d1d899eb53568ac7a
sha1
4defaa394f452bfeec53493d83e719c127dd792f
sha256
94d5597bbf960dc39736f0e0d8d74cf076fb1a1cbd5077397a3e94db7ef47c04
sha512
c7d65521917882f3adad7e928621b85846f7a411ae4b77f0fe1ee612c0533ce5336d4dde4aac4cc0f02f5cab18e95835afb9366e4538d1a248750bcecdbc1a68
ripemd-160
862832242a8b154b1668f742834099677a1e34a9
Diameter
2777781274
Circumference
8726657243.6777
Area
6.0601862690261E+18
Volume
1.1222581290035E+28
Surface area
2.4240745076104E+19
Circumference
8726657243.6777
Perimeter
5555562548
Area
1929017201546265769
Diagonal
1964187975.4984
Surface area
1.1574103209278E+19
Volume
2.6791939298396E+27
Space diagonal
2405629149.4407
Perimeter
4166671911
Area
8.3528895043812E+17
Altitude
1202814574.7204
Surface area
8.3528895043812E+17
Volume
3.1574603265056E+26
Height
654729325.16614