78857290 is an even 8-digits composite number following 78857289
and preceding 78857291 . In scientific notation, it is written as 7.8857290 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 31455504 positive integers (up to 78857290) that are relatively prime to 78857290.
78857290 has 16 divisors, whose sum is 142336512
The reverse of 78857290 is 09275887
Previous prime number is 367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million eight hundred fifty-seven thousand two hundred ninety
Scientific notation
7.8857290 × 10^7
Engineering notation
7.8857290 × 10^6
Prime Factorization
2 × 5 × 367 × 21487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78857290
Product of the distinct prime numbers
The prime factorization of 78857290 is 2 × 5 × 367 × 21487.
Since it has a total of 4 prime factors.
7 , 10 , 60 , 1 , 220 , 92 , 4973 , 3954 , 77107 , 8733 , 757534 , 540305 , 2087333 , 9725285 , 19602438 , 33498760 , 604971410 , 175866056 , 7797901238 , 5660641757
n×2
157714580
n×3
236571870
n×4
315429160
n×5
394286450
n÷2
39428645
n÷3
26285763.333333
n÷3
19714322.5
n÷5
15771458
n2
6218472186144100
n3
4.903718645397E+23
n4
3.8669396329848E+31
n5
3.0493638005077E+39
2 √n
8880.1627237343
3 √n
428.82551319501
4 √n
94.234615315893
5 √n
37.963685733677
1 , 2 , 5 , 10 , 367 , 734 , 1835 , 3670 , 21487 , 42974 , 107435 , 214870 , 7885729 , 15771458 , 39428645 , 78857290
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78857289
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78857290 can be divided by 16 positive divisors.
The sum of these divisors (counting 78857290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110100010001001010
3
Ternary
12111101100212101
4
Quaternary
10230310101022
5
Quinary
130141413130
6
Senary
11454104014
8
Octal
454642112
10
Decimal
78857290
12
Duodecimal
224ab00a
16
Hexadecimal
4b3444a
20
Vigesimal
14ch34a
36
Base36
1ay6oa
md5
f1cc13d7b292ef55be7653cb6dece6bb
sha1
f1c5c839c6cb3f6933d8a700ead3d5ba70f510e2
sha256
76c02f21cc23dd79956be74ef8bc32a145513272ffe6ab1ee8408765b3aff96a
sha512
602bc9ed8f5152ed36d14a9caa3abc17e4a086ae90fe1b7c903e39e0c4fb3827a78f556caa7f7b112433defe97ab4347d3cd5c681d1fa4a22674222a920ae282
ripemd-160
2601546789a38a758d9618fd235854009a03b59e
Diameter
157714580
Circumference
495474965.892
Area
1.9535906536543E+16
Volume
2.0540648628867E+24
Surface area
7.8143626146171E+16
Circumference
495474965.892
Perimeter
315429160
Area
6218472186144100
Diagonal
111521049.00999
Surface area
37310833116864600
Volume
4.903718645397E+23
Space diagonal
136584832.82719
Perimeter
236571870
Area
2.6926774429639E+15
Altitude
68292416.413597
Surface area
2.6926774429639E+15
Volume
5.7790878453185E+22
Height
37173683.003329