1388897757 is an odd 10-digits composite number following 1388897756
and preceding 1388897758 . In scientific notation, it is written as 1.388897757 × 10^9.
The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors.
There are 817543584 positive integers (up to 1388897757) that are relatively prime to 1388897757.
1388897757 has 8 divisors, whose sum is 1502964736
The reverse of 1388897757 is 7577988831
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion three hundred eighty-eight million eight hundred ninety-seven thousand seven hundred fifty-seven
Scientific notation
1.388897757 × 10^9
Engineering notation
1.388897757 × 10^9
Prime Factorization
207 × 13 × 516127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388897757
Product of the distinct prime numbers
The prime factorization of 1388897757 is 207 × 13 × 516127.
Since it has a total of 3 prime factors.
7 , 7 , 76 , 74 , 834 , 503 , 2463 , 2054 , 91179 , 84491 , 48044 , 574380 , 7512247 , 8759594 , 81827180 , 498827 , 574168460 , 431269362 , 2043959243 , 8516536701
n×2
2777795514
n×3
4166693271
n×4
5555591028
n×5
6944488785
n÷2
694448878.5
n÷3
462965919
n÷3
347224439.25
n÷5
277779551.4
n2
1929036979399631049
n3
2.6792351338582E+27
n4
3.7211836678913E+36
n5
5.1683436497192E+45
2 √n
37267.918603002
3 √n
1115.7239581075
4 √n
193.04900570322
5 √n
67.380472996404
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
-1388897756
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 1388897757 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388897757) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110010001110010111011101
3
Ternary
10120210110022112200
4
Quaternary
1102302032113131
5
Quinary
10321024212012
6
Senary
345452522113
8
Octal
12262162735
10
Decimal
1388897757
12
Duodecimal
329180339
16
Hexadecimal
52c8e5dd
20
Vigesimal
11e0c47h
36
Base36
mywwd9
md5
2af2e3c31f2057e7fecb27ba78ebab74
sha1
554980b7edb44218b9aeae23d4721801dccbcf92
sha256
bbb1daf452710f78482c870c6e6491b83dc766d386ace0647893c5cf1d637bcd
sha512
cbfac5832f2f978992e4541768247ecb701e16a59bacddde7579922f529f82d2352ccd1777e673b20a1b4a850b6dce55763b789bb515300d70b87e3579903698
ripemd-160
eec768903fcbf681d3d1b4cccced314c114cf4fe
Diameter
2777795514
Circumference
8726701979.9571
Area
6.0602484029849E+18
Volume
1.1222753885025E+28
Surface area
2.424099361194E+19
Circumference
8726701979.9571
Perimeter
5555591028
Area
1929036979399631049
Diagonal
1964198044.699
Surface area
1.1574221876398E+19
Volume
2.6792351338582E+27
Space diagonal
2405641481.6425
Perimeter
4166693271
Area
8.3529751449984E+17
Altitude
1202820740.8212
Surface area
8.3529751449984E+17
Volume
3.1575088859073E+26
Height
654732681.56632