1388266989 is an odd 10-digits composite number following 1388266988
and preceding 1388266990 . In scientific notation, it is written as 1.388266989 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 925406976 positive integers (up to 1388266989) that are relatively prime to 1388266989.
1388266989 has 8 divisors, whose sum is 1851231360
The reverse of 1388266989 is 9896628831
Previous prime number is 40847
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion three hundred eighty-eight million two hundred sixty-six thousand nine hundred eighty-nine
Scientific notation
1.388266989 × 10^9
Engineering notation
1.388266989 × 10^9
Prime Factorization
3 × 40847 × 11329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388266989
Product of the distinct prime numbers
The prime factorization of 1388266989 is 3 × 40847 × 11329.
Since it has a total of 3 prime factors.
10 , 6 , 63 , 80 , 688 , 581 , 5248 , 9270 , 84694 , 71071 , 961475 , 13422 , 7736549 , 8549948 , 63007512 , 61773700 , 135636008 , 277903517 , 7331002571 , 191748140
n×2
2776533978
n×3
4164800967
n×4
5553067956
n×5
6941334945
n÷2
694133494.5
n÷3
462755663
n÷3
347066747.25
n÷5
277653397.8
n2
1927285232747126121
n3
2.67558646701E+27
n4
3.7144283683651E+36
n5
5.1566182868065E+45
2 √n
37259.455028221
3 √n
1115.5550304979
4 √n
193.02708366501
5 √n
67.374351715137
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
-1388266988
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 1388266989 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388266989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111110100010111101101
3
Ternary
10120202021021021220
4
Quaternary
1102233310113231
5
Quinary
10320344020424
6
Senary
345431213553
8
Octal
12257642755
10
Decimal
1388266989
12
Duodecimal
328b172b9
16
Hexadecimal
52bf45ed
20
Vigesimal
11dgd799
36
Base36
myjdnx
md5
2fe441adaac71b5d84eb70cdf129acbe
sha1
b9b1614f554e8b700cfff826b9a33de84433dd9f
sha256
9a601d20223f93794180324045f04c873bd2195b1266c39a8a729a046b09a924
sha512
4d22b4586a67cca4d04466d3c4cfa2191186c429beaac9f191ed9b3e340189e7ac38ba3b9617fb01dfd0e88beddccc3773a92ad1dd6b28bff5b5eba48a15bbb6
ripemd-160
63d54746708d253e8f2e2687985467fc7814c43b
Diameter
2776533978
Circumference
8722738747.7272
Area
6.0547451285705E+18
Volume
1.1207470385071E+28
Surface area
2.4218980514282E+19
Circumference
8722738747.7272
Perimeter
5553067956
Area
1927285232747126121
Diagonal
1963306004.0387
Surface area
1.1563711396483E+19
Volume
2.67558646701E+27
Space diagonal
2404548959.4187
Perimeter
4164800967
Area
8.3453898594881E+17
Altitude
1202274479.7093
Surface area
8.3453898594881E+17
Volume
3.1532088907896E+26
Height
654435334.67955