1938949907 is an odd 10-digits composite number following 1938949906
and preceding 1938949908 . In scientific notation, it is written as 1.938949907 × 10^9.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 1937696616 positive integers (up to 1938949907) that are relatively prime to 1938949907.
1938949907 has 4 divisors, whose sum is 1940203200
The reverse of 1938949907 is 7099498391
Previous prime number is 1549
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred thirty-eight million nine hundred forty-nine thousand nine hundred seven
Scientific notation
1.938949907 × 10^9
Engineering notation
1.938949907 × 10^9
Prime Factorization
1549 × 1251743
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1938949907 Product of the distinct prime numbers
The prime factorization of 1938949907 is 1549 × 1251743.
Since it has a total of 2 prime factors.
9 , 8 , 59 , 77 , 393 , 111 , 2614 , 6386 , 67358 , 48261 , 351019 , 589489 , 8255876 , 6770583 , 23987071 , 55244411 , 207077809 , 963431656 , 1527823470 , 2918021664
n×2
3877899814
n×3
5816849721
n×4
7755799628
n×5
9694749535
n÷2
969474953.5
n÷3
646316635.66667
n÷3
484737476.75
n÷5
387789981.4
n2
3759526741855308649
n3
7.2895340264844E+27
n4
1.4134041322725E+37
n5
2.7405198108232E+46
2 √n44033.508910828
3 √n1246.9686347624
4 √n209.84162816474
5 √n72.029983921697
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1938949906 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1938949907 can be divided by 4 positive divisors.
The sum of these divisors (counting 1938949907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110011100100100000011100010011
3
Ternary
12000010110212020112
4
Quaternary
1303210200130103
5
Quinary
12432332344112
6
Senary
520222231535
8
Octal
16344403423
10
Decimal
1938949907
12
Duodecimal
4614255ab
16
Hexadecimal
73920713
20
Vigesimal
1a5i8ef7
36
Base36
w2efbn
md5
01bd57dfb43b1205d88fdd5662e897e2
sha1
f3f02a5403336bfa22b5ea64ee2f0c43144f7e72
sha256
16dc3f5e98144f54dfebd5a1bfda25609bd4465f7a2e8d7a3ef84884be1c8707
sha512
a43a5692ddd166494998e2fba245376d9bdc77673460cf6f0c797a5b9e342be6370fbe87cf44c582ffd54cda845dc7acfba8deb7dd5b7d681145b4a5f7941744
ripemd-160
225d929479eaa81b5d61cfa94d32b649971bc266
Diameter
3877899814
Circumference
12182781567.02
Area
1.1810901593187E+19
Volume
3.0534328727595E+28
Surface area
4.7243606372748E+19
Circumference
12182781567.02
Perimeter
7755799628
Area
3759526741855308649
Diagonal
2742089255.2415
Surface area
2.2557160451132E+19
Volume
7.2895340264844E+27
Space diagonal
3358359752.2549
Perimeter
5816849721
Area
1.6279228323268E+18
Altitude
1679179876.1275
Surface area
1.6279228323268E+18
Volume
8.590798236362E+26
Height
914029751.74715