1388794906 is an even 10-digits composite number following 1388794905
and preceding 1388794907 . In scientific notation, it is written as 1.388794906 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 653550528 positive integers (up to 1388794906) that are relatively prime to 1388794906.
1388794906 has 8 divisors, whose sum is 2205733140
The reverse of 1388794906 is 6094978831
Previous prime number is 17
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion three hundred eighty-eight million seven hundred ninety-four thousand nine hundred six
Scientific notation
1.388794906 × 10^9
Engineering notation
1.388794906 × 10^9
Prime Factorization
2 × 17 × 40846909
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388794906 Product of the distinct prime numbers
The prime factorization of 1388794906 is 2 × 17 × 40846909.
Since it has a total of 3 prime factors.
7 , 3 , 44 , 10 , 984 , 76 , 1786 , 7560 , 13174 , 17586 , 988736 , 45149 , 592467 , 8622160 , 75214837 , 90615359 , 564339395 , 680753042 , 1639614166 , 6130681472
n×2
2777589812
n×3
4166384718
n×4
5555179624
n×5
6943974530
n÷2
694397453
n÷3
462931635.33333
n÷3
347198726.5
n÷5
277758981.2
n2
1928751290931548836
n3
2.6786399677867E+27
n4
3.7200815422701E+36
n5
5.1664302958094E+45
2 √n37266.538690895
3 √n1115.6964168056
4 √n193.0454316758
5 √n67.379475031755
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
-1388794905 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 1388794906 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388794906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110001110101010000011010
3
Ternary
10120210021002110101
4
Quaternary
1102301311100122
5
Quinary
10321012414111
6
Senary
345450410014
8
Octal
12261652032
10
Decimal
1388794906
12
Duodecimal
32913090a
16
Hexadecimal
52c7541a
20
Vigesimal
11djj756
36
Base36
myup0a
md5
51d08df09718d2179b2f599b7913c80f
sha1
01b6f7f29b52a27427dbcff90b964393886c3f91
sha256
5b89b62202b1fe9045ee5516255c3224691301f6d3022cc24969f814c68548c2
sha512
886757bf57aac9f6601e024f2a1a1ff88af3a1dcd4ba9172bb74dd1f8921f53b47029d99016a8957ffa4943c3908343cf434f04a64c1a79052c2ba903bfc5779
ripemd-160
f913e0a3fb7debb11d8ea0d736bb12a180e3369d
Diameter
2777589812
Circumference
8726055748.0651
Area
6.0593508861924E+18
Volume
1.1220260859214E+28
Surface area
2.423740354477E+19
Circumference
8726055748.0651
Perimeter
5555179624
Area
1928751290931548836
Diagonal
1964052591.4199
Surface area
1.1572507745589E+19
Volume
2.6786399677867E+27
Space diagonal
2405463338.4848
Perimeter
4166384718
Area
8.3517380776438E+17
Altitude
1202731669.2424
Surface area
8.3517380776438E+17
Volume
3.1568074759654E+26
Height
654684197.13996