77681285 is an odd 8-digits composite number following 77681284
and preceding 77681286 . In scientific notation, it is written as 7.7681285 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 53939200 positive integers (up to 77681285) that are relatively prime to 77681285.
77681285 has 16 divisors, whose sum is 86282496
The reverse of 77681285 is 58218677
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-seven million six hundred eighty-one thousand two hundred eighty-five
Scientific notation
7.7681285 × 10^7
Engineering notation
7.7681285 × 10^6
Prime Factorization
145 × 11 × 431 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77681285
Product of the distinct prime numbers
The prime factorization of 77681285 is 145 × 11 × 431 × 113.
Since it has a total of 4 prime factors.
3 , 4 , 13 , 51 , 153 , 907 , 5610 , 6340 , 81589 , 19458 , 686615 , 478843 , 4935457 , 6941277 , 91533403 , 25956470 , 786179633 , 604439788 , 9740088576 , 6555257306
n×2
155362570
n×3
233043855
n×4
310725140
n×5
388406425
n÷2
38840642.5
n÷3
25893761.666667
n÷3
19420321.25
n÷5
15536257
n2
6034382039251225
n3
4.6875855098996E+23
n4
3.6413766595638E+31
n5
2.8286681808392E+39
2 √n
8813.6987127993
3 √n
426.68312483985
4 √n
93.881301188252
5 √n
37.849773087037
1 , 11 , 113 , 145 , 431 , 1243 , 1595 , 4741 , 16385 , 48703 , 62495 , 180235 , 535733 , 687445 , 7061935 , 77681285
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
-77681284
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 77681285 can be divided by 16 positive divisors.
The sum of these divisors (counting 77681285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000010101001010000101
3
Ternary
12102011121200122
4
Quaternary
10220111022011
5
Quinary
124341300120
6
Senary
11412551325
8
Octal
450251205
10
Decimal
77681285
12
Duodecimal
22022545
16
Hexadecimal
4a15285
20
Vigesimal
145a345
36
Base36
1a8z9h
md5
39169a2f14891f6095591976ed977ede
sha1
f9eb8540cf9de1aafbc0e25be1c04d9418fdb23c
sha256
dea3ba79f2aef5db7e6e818dac4462c285580bf5433ba6eb284b8486e54de4f9
sha512
6df92964aa88aa4e68154f705437d8dbcc2189f8b72d02356cf2ff0f066b2c2fd43951c963dc85fdf6c33387488f1ff9faec46efaf12f7c00acdc48c058e8d1e
ripemd-160
80bfe044f27eaf9fb7513239c982e7fb8f4e8796
Diameter
155362570
Circumference
488085908.55483
Area
1.8957570283466E+16
Volume
1.9635312267966E+24
Surface area
7.5830281133863E+16
Circumference
488085908.55483
Perimeter
310725140
Area
6034382039251225
Diagonal
109857926.78957
Surface area
36206292235507350
Volume
4.6875855098996E+23
Space diagonal
134547932.41724
Perimeter
233043855
Area
2.6129640710661E+15
Altitude
67273966.208619
Surface area
2.6129640710661E+15
Volume
5.524372502403E+22
Height
36619308.929857