1388893251 is an odd 10-digits composite number following 1388893250
and preceding 1388893252 . In scientific notation, it is written as 1.388893251 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 871461888 positive integers (up to 1388893251) that are relatively prime to 1388893251.
1388893251 has 8 divisors, whose sum is 1858266640
The reverse of 1388893251 is 1523988831
Previous prime number is 289
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion three hundred eighty-eight million eight hundred ninety-three thousand two hundred fifty-one
Scientific notation
1.388893251 × 10^9
Engineering notation
1.388893251 × 10^9
Prime Factorization
3 × 289 × 1601953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388893251
Product of the distinct prime numbers
The prime factorization of 1388893251 is 3 × 289 × 1601953.
Since it has a total of 3 prime factors.
2 , 8 , 50 , 11 , 632 , 731 , 2993 , 5216 , 55757 , 77175 , 59289 , 399305 , 2332935 , 1197498 , 34361144 , 74434553 , 478514640 , 648119317 , 6305815457 , 2207861328
n×2
2777786502
n×3
4166679753
n×4
5555573004
n×5
6944466255
n÷2
694446625.5
n÷3
462964417
n÷3
347223312.75
n÷5
277778650.2
n2
1929024462673349001
n3
2.6792090572209E+27
n4
3.7211353775922E+36
n5
5.1682598119951E+45
2 √n
37267.858148812
3 √n
1115.7227515254
4 √n
193.04884912584
5 √n
67.380429275864
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
-1388893250
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 1388893251 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388893251) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110010001101010001000011
3
Ternary
10120210110002100210
4
Quaternary
1102302031101003
5
Quinary
10321024041001
6
Senary
345452445203
8
Octal
12262152103
10
Decimal
1388893251
12
Duodecimal
329179803
16
Hexadecimal
52c8d443
20
Vigesimal
11e0bd2b
36
Base36
mywsw3
md5
2a91be340ab64bbbb23806a2ef41cf77
sha1
d95f71ea365ac3e1db9fc45e48e4a007e634b445
sha256
bfcdd2353e2858292907c1b278e4c6ec3a61c35903fbcb2f561575dd68dd9600
sha512
ec0f63ae06ade6ec6ec3cc2e75ac17389790b0bf5472d5df1338e75a1ae809beb3a78973b5c4114d36b8e7260a82ccde2c65b5a32d11e6457b012228a82226ec
ripemd-160
a4cb76b19e2ae8ca67d94079e22c64fffbd5bcab
Diameter
2777786502
Circumference
8726673667.9241
Area
6.0602090805296E+18
Volume
1.1222644655462E+28
Surface area
2.4240836322118E+19
Circumference
8726673667.9241
Perimeter
5555573004
Area
1929024462673349001
Diagonal
1964191672.2527
Surface area
1.157414677604E+19
Volume
2.6792090572209E+27
Space diagonal
2405633677.0215
Perimeter
4166679753
Area
8.3529209459837E+17
Altitude
1202816838.5108
Surface area
8.3529209459837E+17
Volume
3.1574781542955E+26
Height
654730557.41755