78385906 is an even 8-digits composite number following 78385905
and preceding 78385907 . In scientific notation, it is written as 7.8385906 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 35816256 positive integers (up to 78385906) that are relatively prime to 78385906.
78385906 has 16 divisors, whose sum is 124407360
The reverse of 78385906 is 60958387
Previous prime number is 10471
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million three hundred eighty-five thousand nine hundred six
Scientific notation
7.8385906 × 10^7
Engineering notation
7.8385906 × 10^6
Prime Factorization
2 × 19 × 10471 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78385906
Product of the distinct prime numbers
The prime factorization of 78385906 is 2 × 19 × 10471 × 197.
Since it has a total of 4 prime factors.
9 , 10 , 32 , 49 , 300 , 68 , 7585 , 3747 , 16392 , 89319 , 707455 , 802134 , 5193788 , 1487338 , 48921457 , 27352361 , 795152591 , 644218274 , 8779187374 , 261390442
n×2
156771812
n×3
235157718
n×4
313543624
n×5
391929530
n÷2
39192953
n÷3
26128635.333333
n÷3
19596476.5
n÷5
15677181.2
n2
6144350259440836
n3
4.816304618676E+23
n4
3.7753040110691E+31
n5
2.9593062533308E+39
2 √n
8853.5815351755
3 √n
427.96934374421
4 √n
94.093472330313
5 √n
37.918189832033
1 , 2 , 19 , 38 , 197 , 394 , 3743 , 7486 , 10471 , 20942 , 198949 , 397898 , 2062787 , 4125574 , 39192953 , 78385906
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
-78385905
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 78385906 can be divided by 16 positive divisors.
The sum of these divisors (counting 78385906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000001001011110010
3
Ternary
12110111102020201
4
Quaternary
10223001023302
5
Quinary
130031322111
6
Senary
11440025414
8
Octal
453011362
10
Decimal
78385906
12
Duodecimal
2230226a
16
Hexadecimal
4ac12f2
20
Vigesimal
149i4f6
36
Base36
1ao2ya
md5
ef95d4a54edc95542d4b53f9453d1314
sha1
5353a5899a2e503342d1fa63720202dca6690113
sha256
b30c82adeddce15c74470e2579a3030986bed4db6e77d241381743c17b4904d3
sha512
e462adae006ac5077898db83eec0e02794ddfd0292971acc2324150358531bacdc7bed826251241406c832c900eb0739bf526aa0a97b20a723ee42204f0564a3
ripemd-160
d9f563fe0d075b5479dd328ef1c8db1974e798d5
Diameter
156771812
Circumference
492513172.86916
Area
1.9303045636142E+16
Volume
2.0174489609978E+24
Surface area
7.7212182544567E+16
Circumference
492513172.86916
Perimeter
313543624
Area
6144350259440836
Diagonal
110854411.3641
Surface area
36866101556645016
Volume
4.816304618676E+23
Space diagonal
135768371.78932
Perimeter
235157718
Area
2.6605817072126E+15
Altitude
67884185.894659
Surface area
2.6605817072126E+15
Volume
5.6760694268765E+22
Height
36951470.454701