1938949909 is an odd 10-digits composite number following 1938949908
and preceding 1938949910 . In scientific notation, it is written as 1.938949909 × 10^9.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 1680820992 positive integers (up to 1938949909) that are relatively prime to 1938949909.
1938949909 has 16 divisors, whose sum is 2215781568
The reverse of 1938949909 is 9099498391
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred thirty-eight million nine hundred forty-nine thousand nine hundred nine
Scientific notation
1.938949909 × 10^9
Engineering notation
1.938949909 × 10^9
Prime Factorization
13 × 17 × 467 × 18787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1938949909
Product of the distinct prime numbers
The prime factorization of 1938949909 is 13 × 17 × 467 × 18787.
Since it has a total of 4 prime factors.
7 , 7 , 20 , 98 , 544 , 639 , 6032 , 3855 , 87056 , 93503 , 579971 , 731980 , 8261033 , 2204688 , 16245620 , 68335075 , 68906292 , 408171886 , 7675124109 , 50264566
n×2
3877899818
n×3
5816849727
n×4
7755799636
n×5
9694749545
n÷2
969474954.5
n÷3
646316636.33333
n÷3
484737477.25
n÷5
387789981.8
n2
3759526749611108281
n3
7.2895340490415E+27
n4
1.4134041381041E+37
n5
2.7405198249573E+46
2 √n
44033.508933538
3 √n
1246.9686351911
4 √n
209.84162821885
5 √n
72.029983936557
1 , 13 , 17 , 221 , 467 , 6071 , 7939 , 18787 , 103207 , 244231 , 319379 , 4151927 , 8773529 , 114055877 , 149149993 , 1938949909
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
-1938949908
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 1938949909 can be divided by 16 positive divisors.
The sum of these divisors (counting 1938949909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110011100100100000011100010101
3
Ternary
12000010110212020121
4
Quaternary
1303210200130111
5
Quinary
12432332344114
6
Senary
520222231541
8
Octal
16344403425
10
Decimal
1938949909
12
Duodecimal
4614255b1
16
Hexadecimal
73920715
20
Vigesimal
1a5i8ef9
36
Base36
w2efbp
md5
f5569798708ae79e9c4eada051bf57dd
sha1
2a85e3893606b111ada97e0357bae9378d730b2f
sha256
d859ab9159b2a295d7ed1f52a98482c4537701a822043827ffad677d13934d61
sha512
94fc6a0bc95f72689c858f73d9898acb2a4bbae25fb7c0169c2aa31fe074872c16cf96b3a21ad947e6d839f7fd52ace55363a441fe59c325c68368445487e389
ripemd-160
f7424887c3e0101a8d528e0cc7d01b4f3cafb44a
Diameter
3877899818
Circumference
12182781579.586
Area
1.1810901617553E+19
Volume
3.0534328822082E+28
Surface area
4.724360647021E+19
Circumference
12182781579.586
Perimeter
7755799636
Area
3759526749611108281
Diagonal
2742089258.0699
Surface area
2.2557160497667E+19
Volume
7.2895340490415E+27
Space diagonal
3358359755.7191
Perimeter
5816849727
Area
1.6279228356852E+18
Altitude
1679179877.8595
Surface area
1.6279228356852E+18
Volume
8.5907982629458E+26
Height
914029752.68996