1388994807 is an odd 10-digits composite number following 1388994806
and preceding 1388994808 . In scientific notation, it is written as 1.388994807 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 904893600 positive integers (up to 1388994807) that are relatively prime to 1388994807.
1388994807 has 16 divisors, whose sum is 1894321152
The reverse of 1388994807 is 7084998831
Previous prime number is 677
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion three hundred eighty-eight million nine hundred ninety-four thousand eight hundred seven
Scientific notation
1.388994807 × 10^9
Engineering notation
1.388994807 × 10^9
Prime Factorization
3 × 47 × 677 × 14551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388994807
Product of the distinct prime numbers
The prime factorization of 1388994807 is 3 × 47 × 677 × 14551.
Since it has a total of 4 prime factors.
4 , 5 , 73 , 52 , 818 , 925 , 865 , 8881 , 25075 , 24 , 89427 , 507593 , 2697839 , 3555122 , 90494362 , 69199483 , 870406956 , 891726468 , 1816572035 , 1639117509
n×2
2777989614
n×3
4166984421
n×4
5555979228
n×5
6944974035
n÷2
694497403.5
n÷3
462998269
n÷3
347248701.75
n÷5
277798961.4
n2
1929306573872967249
n3
2.6797968122205E+27
n4
3.7222238559894E+36
n5
5.1701496064609E+45
2 √n
37269.220638484
3 √n
1115.7499447788
4 √n
193.05237796641
5 √n
67.38141461966
1 , 3 , 47 , 141 , 677 , 2031 , 14551 , 31819 , 43653 , 95457 , 683897 , 2051691 , 9851027 , 29553081 , 462998269 , 1388994807
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388994806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388994807 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388994807) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110010100110000011110111
3
Ternary
10120210122020200010
4
Quaternary
1102302212003313
5
Quinary
10321040313212
6
Senary
345454551303
8
Octal
12262460367
10
Decimal
1388994807
12
Duodecimal
329208533
16
Hexadecimal
52ca60f7
20
Vigesimal
11e14707
36
Base36
myyz93
md5
6a7aeba06f52fa050fd6ee5f4789acf7
sha1
70de9efc6c61b1923e730aed7b12791c39c03c8e
sha256
0455722e11b40969fc8fe5a9d9d4d1f4f79790e51b1c7cb6fe5905783b4c85cc
sha512
815d21010074f043d514e5ec810d4d15c7dfbd1bc951d39cbb9c671c41bd72c3a5abb6c9746ce79a1739b3f8396495c3f9e6a09c403b8dca0fb2f80b81c0261d
ripemd-160
e73c0936672fcffea0711980550c710df2afdc37
Diameter
2777989614
Circumference
8727311763.0911
Area
6.0610953590018E+18
Volume
1.1225106637847E+28
Surface area
2.4244381436007E+19
Circumference
8727311763.0911
Perimeter
5555979228
Area
1929306573872967249
Diagonal
1964335294.1252
Surface area
1.1575839443238E+19
Volume
2.6797968122205E+27
Space diagonal
2405809577.1733
Perimeter
4166984421
Area
8.3541425233115E+17
Altitude
1202904788.5867
Surface area
8.3541425233115E+17
Volume
3.1581708302054E+26
Height
654778431.37507