78472785 is an odd 8-digits composite number following 78472784
and preceding 78472786 . In scientific notation, it is written as 7.8472785 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 41746560 positive integers (up to 78472785) that are relatively prime to 78472785.
78472785 has 8 divisors, whose sum is 83915520
The reverse of 78472785 is 58727487
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million four hundred seventy-two thousand seven hundred eighty-five
Scientific notation
7.8472785 × 10^7
Engineering notation
7.8472785 × 10^6
Prime Factorization
15 × 409 × 12791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78472785
Product of the distinct prime numbers
The prime factorization of 78472785 is 15 × 409 × 12791.
Since it has a total of 3 prime factors.
10 , 10 , 77 , 80 , 310 , 296 , 542 , 4071 , 61358 , 72243 , 179196 , 360446 , 7629572 , 7394011 , 43124709 , 34304345 , 500436965 , 548546968 , 3843285275 , 1638176392
n×2
156945570
n×3
235418355
n×4
313891140
n×5
392363925
n÷2
39236392.5
n÷3
26157595
n÷3
19618196.25
n÷5
15694557
n2
6157977985656225
n3
4.8323368250313E+23
n4
3.7920692871827E+31
n5
2.9757423787819E+39
2 √n
8858.4866088966
3 √n
428.12739860485
4 √n
94.119533620267
5 √n
37.926591431404
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78472784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78472785 can be divided by 8 positive divisors.
The sum of these divisors (counting 78472785) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011010110011001010001
3
Ternary
12110122211102110
4
Quaternary
10223112121101
5
Quinary
130042112120
6
Senary
11441535533
8
Octal
453263121
10
Decimal
78472785
12
Duodecimal
223445a9
16
Hexadecimal
4ad6651
20
Vigesimal
14a91j5
36
Base36
1apxzl
md5
1cf4bed01a63bcedb4764413c7e944d1
sha1
fdf0f6600f37b7d3dca49c766bee93b8bf083d9a
sha256
feb971a3062e21e781e70d65fe45c547337497601a76dd0c757a9dde33600325
sha512
463052d3821bab4968effe38259aaf3fd1e8331928c033bb80645129b7b0e3e596d765d7d024d4810be67e5869ad0a531312e03af8cdb5eeb392fd88030cdf52
ripemd-160
ee142f523dde08e2daa6b3dae528a19afec341fe
Diameter
156945570
Circumference
493059049.72546
Area
1.9345858400705E+16
Volume
2.024164515892E+24
Surface area
7.7383433602821E+16
Circumference
493059049.72546
Perimeter
313891140
Area
6157977985656225
Diagonal
110977276.82419
Surface area
36947867913937350
Volume
4.8323368250313E+23
Space diagonal
135918850.63143
Perimeter
235418355
Area
2.6664826857618E+15
Altitude
67959425.315714
Surface area
2.6664826857618E+15
Volume
5.6949635632619E+22
Height
36992425.608063