78485724 is an even 8-digits composite number following 78485723
and preceding 78485725 . In scientific notation, it is written as 7.8485724 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 26161896 positive integers (up to 78485724) that are relatively prime to 78485724.
78485724 has 12 divisors, whose sum is 152611200
The reverse of 78485724 is 42758487
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred eighty-five thousand seven hundred twenty-four
Scientific notation
7.8485724 × 10^7
Engineering notation
7.8485724 × 10^6
Prime Factorization
2 × 2 × 9 × 2180159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39242862
Product of the distinct prime numbers
The prime factorization of 78485724 is 2 × 2 × 9 × 2180159.
Since it has a total of 4 prime factors.
9 , 10 , 99 , 20 , 48 , 79 , 9207 , 7449 , 39434 , 24350 , 679159 , 474160 , 1085963 , 5180638 , 51559183 , 37907903 , 715758596 , 34592575 , 3379390263 , 863100099
n×2
156971448
n×3
235457172
n×4
313942896
n×5
392428620
n÷2
39242862
n÷3
26161908
n÷3
19621431
n÷5
15697144.8
n2
6160008871804176
n3
4.8347275614997E+23
n4
3.7945709300706E+31
n5
2.9781964671595E+39
2 √n
8859.2168954146
3 √n
428.15092793406
4 √n
94.123413109675
5 √n
37.927842055563
1 , 2 , 4 , 9 , 18 , 36 , 2180159 , 4360318 , 8720636 , 19621431 , 39242862 , 78485724
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78485723
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78485724 can be divided by 12 positive divisors.
The sum of these divisors (counting 78485724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011011001100011011100
3
Ternary
12110200111011200
4
Quaternary
10223121203130
5
Quinary
130043020344
6
Senary
11442115500
8
Octal
453314334
10
Decimal
78485724
12
Duodecimal
2234bb90
16
Hexadecimal
4ad98dc
20
Vigesimal
14aae64
36
Base36
1aq7z0
md5
cbe1d476e64744da95e524c94f9c4972
sha1
9c45f1bf3ab6a987f952fb0d9884b371839a0eeb
sha256
4d0a1946101a0b0ef57a85d8798b829d6784244fe4433fcde1d817581296c093
sha512
95af88753f30ea79ffaec0351e9e801f3d4f13b93e43f76939a2f25c778e1ca06930d68aaa832559eb2461c9a5db16af743e64865e4d93b946a7bd1ede07f2f6
ripemd-160
a0b818161db6d31610f50fdd5330a0724af63b9f
Diameter
156971448
Circumference
493140347.86015
Area
1.9352238617708E+16
Volume
2.0251659452421E+24
Surface area
7.7408954470832E+16
Circumference
493140347.86015
Perimeter
313942896
Area
6160008871804176
Diagonal
110995575.33347
Surface area
36960053230825056
Volume
4.8347275614997E+23
Space diagonal
135941261.63683
Perimeter
235457172
Area
2.66736208526E+15
Altitude
67970630.818414
Surface area
2.66736208526E+15
Volume
5.6977810732099E+22
Height
36998525.111157