78857331 is an odd 8-digits composite number following 78857330
and preceding 78857332 . In scientific notation, it is written as 7.8857331 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 45014688 positive integers (up to 78857331) that are relatively prime to 78857331.
78857331 has 8 divisors, whose sum is 82698000
The reverse of 78857331 is 13375887
Previous prime number is 1789
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred fifty-seven thousand three hundred thirty-one
Scientific notation
7.8857331 × 10^7
Engineering notation
7.8857331 × 10^6
Prime Factorization
21 × 1789 × 2099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78857331
Product of the distinct prime numbers
The prime factorization of 78857331 is 21 × 1789 × 2099.
Since it has a total of 3 prime factors.
2 , 1 , 93 , 29 , 495 , 167 , 4942 , 9915 , 2001 , 5750 , 924057 , 360150 , 7606825 , 7400898 , 90111114 , 84047293 , 272764740 , 326598580 , 7502124178 , 8211383985
n×2
157714662
n×3
236571993
n×4
315429324
n×5
394286655
n÷2
39428665.5
n÷3
26285777
n÷3
19714332.75
n÷5
15771466.2
n2
6218478652443561
n3
4.9037262941218E+23
n4
3.8669476750896E+31
n5
3.0493717277422E+39
2 √n
8880.1650322502
3 √n
428.82558751425
4 √n
94.23462756466
5 √n
37.963689681342
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
-78857330
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 78857331 can be divided by 8 positive divisors.
The sum of these divisors (counting 78857331) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100110100010001110011
3
Ternary
12111101100220220
4
Quaternary
10230310101303
5
Quinary
130141413311
6
Senary
11454104123
8
Octal
454642163
10
Decimal
78857331
12
Duodecimal
224ab043
16
Hexadecimal
4b34473
20
Vigesimal
14ch36b
36
Base36
1ay6pf
md5
00217717c5fb18c5b559c1bd9d62cca7
sha1
995dee490fce07e13f79463ea8379b360befda56
sha256
833f752d0754fddd66e00638efb7c67befff25eb95120b71611a7a933249838a
sha512
bb729e0ba9b76838d31d76545037e774a781bb64614d8177cf634c0af03df6c3b22cf2e1d453ba1681f045293bd72c06d87a7e66b91af953440c34a5ec859ee4
ripemd-160
f802d71981429472fcd94670c5e5366dc3ac1e86
Diameter
157714662
Circumference
495475223.5026
Area
1.9535926851022E+16
Volume
2.0540680667771E+24
Surface area
7.8143707404087E+16
Circumference
495475223.5026
Perimeter
315429324
Area
6218478652443561
Diagonal
111521106.99274
Surface area
37310871914661366
Volume
4.9037262941218E+23
Space diagonal
136584903.84128
Perimeter
236571993
Area
2.6926802429537E+15
Altitude
68292451.920638
Surface area
2.6926802429537E+15
Volume
5.7790968594271E+22
Height
37173702.330915