1388355939 is an odd 10-digits composite number following 1388355938
and preceding 1388355940 . In scientific notation, it is written as 1.388355939 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 912534000 positive integers (up to 1388355939) that are relatively prime to 1388355939.
1388355939 has 8 divisors, whose sum is 1564345440
The reverse of 1388355939 is 9395538831
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion three hundred eighty-eight million three hundred fifty-five thousand nine hundred thirty-nine
Scientific notation
1.388355939 × 10^9
Engineering notation
1.388355939 × 10^9
Prime Factorization
9 × 71 × 2172701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388355939
Product of the distinct prime numbers
The prime factorization of 1388355939 is 9 × 71 × 2172701.
Since it has a total of 3 prime factors.
9 , 5 , 30 , 66 , 12 , 280 , 715 , 9993 , 34407 , 7262 , 514619 , 310452 , 1415903 , 7044222 , 28594216 , 31418082 , 829524480 , 582466115 , 1231011244 , 3460336766
n×2
2776711878
n×3
4165067817
n×4
5553423756
n×5
6941779695
n÷2
694177969.5
n÷3
462785313
n÷3
347088984.75
n÷5
277671187.8
n2
1927532213356571721
n3
2.6761007960274E+27
n4
3.7153804335273E+36
n5
5.158270490532E+45
2 √n
37260.648665851
3 √n
1115.5788555261
4 √n
193.03017553184
5 √n
67.375215064197
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
-1388355938
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 1388355939 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388355939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000001010000101100011
3
Ternary
10120202102210022100
4
Quaternary
1102300022011203
5
Quinary
10320404342224
6
Senary
345433141443
8
Octal
12260120543
10
Decimal
1388355939
12
Duodecimal
328b5a883
16
Hexadecimal
52c0a163
20
Vigesimal
11dh49gj
36
Base36
mylaar
md5
627b531566d1e8d1cdb43d63c73d8884
sha1
746045e65ba86c3f22c53eb63beb1a3677190cc6
sha256
719d6be9ba2852ee5057f50387a172fff0a409697e115e28072628bd331f8017
sha512
85e8ef94d24958da38cb2996d9822f1f69c484c07c62f20009e0dfd593ccded08af7c10eabe52191c24d8a424be01d7910236e88f1d183497e53b65065bf1c0c
ripemd-160
c3fd055bff410df8b8005f30b4bb2db92f4b2dee
Diameter
2776711878
Circumference
8723297637.0603
Area
6.0555210410387E+18
Volume
1.1209624801421E+28
Surface area
2.4222084164155E+19
Circumference
8723297637.0603
Perimeter
5553423756
Area
1927532213356571721
Diagonal
1963431798.335
Surface area
1.1565193280139E+19
Volume
2.6761007960274E+27
Space diagonal
2404703025.338
Perimeter
4165067817
Area
8.3464593168982E+17
Altitude
1202351512.669
Surface area
8.3464593168982E+17
Volume
3.1538150333495E+26
Height
654477266.11168