78311938 is an even 8-digits composite number following 78311937
and preceding 78311939 . In scientific notation, it is written as 7.8311938 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 38670016 positive integers (up to 78311938) that are relatively prime to 78311938.
78311938 has 16 divisors, whose sum is 118933920
The reverse of 78311938 is 83911387
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million three hundred eleven thousand nine hundred thirty-eight
Scientific notation
7.8311938 × 10^7
Engineering notation
7.8311938 × 10^6
Prime Factorization
2 × 419 × 113 × 827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78311938
Product of the distinct prime numbers
The prime factorization of 78311938 is 2 × 419 × 113 × 827.
Since it has a total of 4 prime factors.
9 , 9 , 10 , 18 , 388 , 825 , 7576 , 86 , 10585 , 24113 , 78799 , 507079 , 1196944 , 4565306 , 69624605 , 65915778 , 557594505 , 143080518 , 1613580023 , 6083336766
n×2
156623876
n×3
234935814
n×4
313247752
n×5
391559690
n÷2
39155969
n÷3
26103979.333333
n÷3
19577984.5
n÷5
15662387.6
n2
6132759633315844
n3
4.8026829217313E+23
n4
3.7610740720028E+31
n5
2.9453699954009E+39
2 √n
8849.4032567174
3 √n
427.83468518739
4 √n
94.071266902904
5 √n
37.911030912603
1 , 2 , 113 , 226 , 419 , 827 , 838 , 1654 , 47347 , 93451 , 94694 , 186902 , 346513 , 693026 , 39155969 , 78311938
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
-78311937
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 78311938 can be divided by 16 positive divisors.
The sum of these divisors (counting 78311938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101111001000000010
3
Ternary
12110100122210011
4
Quaternary
10222233020002
5
Quinary
130021440223
6
Senary
11434255134
8
Octal
452571002
10
Decimal
78311938
12
Duodecimal
222874aa
16
Hexadecimal
4aaf202
20
Vigesimal
1498jgi
36
Base36
1amhvm
md5
0b10b12157f45875a4bc8b7a8268b928
sha1
18cd010a8feabd26f4b97354f1917df018067b6e
sha256
7c963f85df9d3b30b38b5c27978b2443a122a67aa7c006bdf6e6cd18c4054d08
sha512
a54a0c5c67969d80c69f581aeff0baae69480137abfa55e1d364219d68f298cb852b64db299a3a54427cfe951526d08f957d35e2cf259d9d4b3163cca42a4a02
ripemd-160
b5a1ca83856041568197075d54e8f117dde1934f
Diameter
156623876
Circumference
492048418.21836
Area
1.9266632610257E+16
Volume
2.0117431179243E+24
Surface area
7.7066530441028E+16
Circumference
492048418.21836
Perimeter
313247752
Area
6132759633315844
Diagonal
110749804.81532
Surface area
36796557799895064
Volume
4.8026829217313E+23
Space diagonal
135640255.45518
Perimeter
234935814
Area
2.6555628188776E+15
Altitude
67820127.727592
Surface area
2.6555628188776E+15
Volume
5.6600161030751E+22
Height
36916601.605107