78366945 is an odd 8-digits composite number following 78366944
and preceding 78366946 . In scientific notation, it is written as 7.8366945 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 41645760 positive integers (up to 78366945) that are relatively prime to 78366945.
78366945 has 16 divisors, whose sum is 125836992
The reverse of 78366945 is 54966387
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million three hundred sixty-six thousand nine hundred forty-five
Scientific notation
7.8366945 × 10^7
Engineering notation
7.8366945 × 10^6
Prime Factorization
5 × 3 × 283 × 18461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78366945
Product of the distinct prime numbers
The prime factorization of 78366945 is 5 × 3 × 283 × 18461.
Since it has a total of 4 prime factors.
9 , 7 , 15 , 63 , 963 , 143 , 4744 , 1974 , 39600 , 40471 , 563580 , 784968 , 6747275 , 4205473 , 95122171 , 21651253 , 291358254 , 750559592 , 3562443984 , 3434934267
n×2
156733890
n×3
235100835
n×4
313467780
n×5
391834725
n÷2
39183472.5
n÷3
26122315
n÷3
19591736.25
n÷5
15673389
n2
6141378068633025
n3
4.8128103732877E+23
n4
3.7716524581887E+31
n5
2.9557288074999E+39
2 √n
8852.5106608239
3 √n
427.93483336887
4 √n
94.087781676602
5 √n
37.916355225764
1 , 3 , 5 , 15 , 283 , 849 , 1415 , 4245 , 18461 , 55383 , 92305 , 276915 , 5224463 , 15673389 , 26122315 , 78366945
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
-78366944
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 78366945 can be divided by 16 positive divisors.
The sum of these divisors (counting 78366945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010111100100011100001
3
Ternary
12110110110020110
4
Quaternary
10222330203201
5
Quinary
130030220240
6
Senary
11435401533
8
Octal
452744341
10
Decimal
78366945
12
Duodecimal
222b32a9
16
Hexadecimal
4abc8e1
20
Vigesimal
149fh75
36
Base36
1anobl
md5
ec84cc8e5100730a4663a2bbbb261af2
sha1
aaaac60588ddb700378449d64e48d76f801f9845
sha256
268b81da1c94510ba5db3ee9327282d65d2e45b20ff1dc7ee42be4a9c7ec7ef0
sha512
4c2423c324b26868633ebf16d7882b13747d7829d9660a67cec48de33f4e1f6ea20a65a18c568fc00424b34f945bbfef7c0af399d59210dfc0532a4b9bb25303
ripemd-160
b6f027091fd5c76e76af3aac95d0b4b3d4a26541
Diameter
156733890
Circumference
492394037.39255
Area
1.9293708223335E+16
Volume
2.0159852949122E+24
Surface area
7.717483289334E+16
Circumference
492394037.39255
Perimeter
313467780
Area
6141378068633025
Diagonal
110827596.46075
Surface area
36848268411798150
Volume
4.8128103732877E+23
Space diagonal
135735530.37396
Perimeter
235100835
Area
2.6592947108404E+15
Altitude
67867765.186978
Surface area
2.6592947108404E+15
Volume
5.6719514191945E+22
Height
36942532.153582