1428778865 is an odd 10-digits composite number following 1428778864
and preceding 1428778866 . In scientific notation, it is written as 1.428778865 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1084999680 positive integers (up to 1428778865) that are relatively prime to 1428778865.
1428778865 has 8 divisors, whose sum is 1715673960
The reverse of 1428778865 is 5688778241
Previous prime number is 1517
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion four hundred twenty-eight million seven hundred seventy-eight thousand eight hundred sixty-five
Scientific notation
1.428778865 × 10^9
Engineering notation
1.428778865 × 10^9
Prime Factorization
5 × 1517 × 188369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1428778865
Product of the distinct prime numbers
The prime factorization of 1428778865 is 5 × 1517 × 188369.
Since it has a total of 3 prime factors.
1 , 1 , 89 , 70 , 288 , 214 , 2156 , 6320 , 94410 , 53520 , 486990 , 282768 , 8145616 , 4728052 , 41005481 , 61427502 , 985260473 , 200444084 , 6835487915 , 7040251942
n×2
2857557730
n×3
4286336595
n×4
5715115460
n×5
7143894325
n÷2
714389432.5
n÷3
476259621.66667
n÷3
357194716.25
n÷5
285755773
n2
2041409045070688225
n3
2.9167220984168E+27
n4
4.1673508892964E+36
n5
5.9542228736657E+45
2 √n
37799.191327329
3 √n
1126.3023902675
4 √n
194.42014125941
5 √n
67.76305908239
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
-1428778864
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 1428778865 can be divided by 8 positive divisors.
The sum of these divisors (counting 1428778865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010101001010010110111101110001
3
Ternary
10200120111111010202
4
Quaternary
1111022112331301
5
Quinary
10411231410430
6
Senary
353435404545
8
Octal
12512267561
10
Decimal
1428778865
12
Duodecimal
33a5b3755
16
Hexadecimal
55296f71
20
Vigesimal
1269h735
36
Base36
nmnott
md5
f50293ce86301385ff986243f4e46b8d
sha1
9d8506ad41782a416a5f02005a5e31d51ef3a4ae
sha256
d2654dbd753c76dfc7ae5914725f54b7f92b3250b0faed18135de4e66ed6c0e4
sha512
6579907a04502ac8f54d834de8ac86f28b1f1f200729c510aa24ab9c140a8bb7e6c021a4630eb229e23861293f1d612369fa4684d707ad81e3444c17ebe2ab44
ripemd-160
a37354aa7041c9dd80861100eca6ab39079735f9
Diameter
2857557730
Circumference
8977282371.7767
Area
6.4132756589658E+18
Volume
1.2217536955932E+28
Surface area
2.5653102635863E+19
Circumference
8977282371.7767
Perimeter
5715115460
Area
2041409045070688225
Diagonal
2020598448.515
Surface area
1.2248454270424E+19
Volume
2.9167220984168E+27
Space diagonal
2474717586.9606
Perimeter
4286336595
Area
8.8395604627327E+17
Altitude
1237358793.4803
Surface area
8.8395604627327E+17
Volume
3.437389957712E+26
Height
673532816.17168