78857394 is an even 8-digits composite number following 78857393
and preceding 78857395 . In scientific notation, it is written as 7.8857394 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 20058720 positive integers (up to 78857394) that are relatively prime to 78857394.
78857394 has 32 divisors, whose sum is 140025600
The reverse of 78857394 is 49375887
Previous prime number is 649
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million eight hundred fifty-seven thousand three hundred ninety-four
Scientific notation
7.8857394 × 10^7
Engineering notation
7.8857394 × 10^6
Prime Factorization
2 × 7 × 33 × 649 × 263
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78857394
Product of the distinct prime numbers
The prime factorization of 78857394 is 2 × 7 × 33 × 649 × 263.
Since it has a total of 5 prime factors.
6 , 7 , 22 , 76 , 303 , 676 , 965 , 5897 , 14319 , 84323 , 680160 , 138795 , 3310529 , 3680114 , 46389249 , 17724402 , 693159561 , 895559383 , 6908248608 , 2546176301
n×2
157714788
n×3
236572182
n×4
315429576
n×5
394286970
n÷2
39428697
n÷3
26285798
n÷3
19714348.5
n÷5
15771478.8
n2
6218488588471236
n3
4.9037380470558E+23
n4
3.8669600324947E+31
n5
3.0493839086469E+39
2 √n
8880.1685794809
3 √n
428.82570171207
4 √n
94.234646385928
5 √n
37.963695747263
1 , 2 , 7 , 14 , 33 , 66 , 231 , 263 , 462 , 526 , 649 , 1298 , 1841 , 3682 , 4543 , 8679 , 9086 , 17358 , 21417 , 42834 , 60753 , 121506 , 149919 , 170687 , 299838 , 341374 , 1194809 , 2389618 , 5632671 , 11265342 , 39428697 , 78857394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78857393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78857394 can be divided by 32 positive divisors.
The sum of these divisors (counting 78857394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100110100010010110010
3
Ternary
12111101101000020
4
Quaternary
10230310102302
5
Quinary
130141414034
6
Senary
11454104310
8
Octal
454642262
10
Decimal
78857394
12
Duodecimal
224ab096
16
Hexadecimal
4b344b2
20
Vigesimal
14ch39e
36
Base36
1ay6r6
md5
bcbb1f7312aa368c7f3c65cae099ca60
sha1
5d29abbf3abe1b9bb0904e0b5dc00a0abfbb3060
sha256
72a5c6796de945310bde0c48a879f98994e6b3bcca3a308c069907392d82ddac
sha512
ee983c0e0dac615859860f39781cd09ab07717898cb62de3b0e700c7e86b43b12eb91d7f029f0d8cc6faee509100d5f01a8e13297f4e43a8e02cf03957198d52
ripemd-160
c784084300f6b33d15ed22aa3995a3ebb1a9eb18
Diameter
157714788
Circumference
495475619.34327
Area
1.9535958065973E+16
Volume
2.0540729898346E+24
Surface area
7.8143832263893E+16
Circumference
495475619.34327
Perimeter
315429576
Area
6218488588471236
Diagonal
111521196.0882
Surface area
37310931530827416
Volume
4.9037380470558E+23
Space diagonal
136585012.96048
Perimeter
236572182
Area
2.6926845453799E+15
Altitude
68292506.480239
Surface area
2.6926845453799E+15
Volume
5.7791107103927E+22
Height
37173732.0294