78840387 is an odd 8-digits composite number following 78840386
and preceding 78840388 . In scientific notation, it is written as 7.8840387 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 52491888 positive integers (up to 78840387) that are relatively prime to 78840387.
78840387 has 12 divisors, whose sum is 114028720
The reverse of 78840387 is 78304887
Previous prime number is 829
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million eight hundred forty thousand three hundred eighty-seven
Scientific notation
7.8840387 × 10^7
Engineering notation
7.8840387 × 10^6
Prime Factorization
3 × 3 × 829 × 10567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
26280129
Product of the distinct prime numbers
The prime factorization of 78840387 is 3 × 3 × 829 × 10567.
Since it has a total of 4 prime factors.
1 , 5 , 56 , 97 , 161 , 159 , 6239 , 2630 , 82815 , 78889 , 546924 , 870495 , 1378534 , 9470483 , 51584591 , 64605381 , 676199073 , 548096493 , 9366971440 , 5666367063
n×2
157680774
n×3
236521161
n×4
315361548
n×5
394201935
n÷2
39420193.5
n÷3
26280129
n÷3
19710096.75
n÷5
15768077.4
n2
6215806622309769
n3
4.9005659962007E+23
n4
3.863625196595E+31
n5
3.046097057225E+39
2 √n
8879.210944673
3 √n
428.79487153161
4 √n
94.229565130446
5 √n
37.962058096699
1 , 3 , 9 , 829 , 2487 , 7461 , 10567 , 31701 , 95103 , 8760043 , 26280129 , 78840387
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78840386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78840387 can be divided by 12 positive divisors.
The sum of these divisors (counting 78840387) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100110000001001000011
3
Ternary
12111100111200100
4
Quaternary
10230300021003
5
Quinary
130140343022
6
Senary
11453453443
8
Octal
454601103
10
Decimal
78840387
12
Duodecimal
224a1283
16
Hexadecimal
4b30243
20
Vigesimal
14cf0j7
36
Base36
1axtmr
md5
b1e7f86295ef8d4ab35db7ae512b7952
sha1
0028bc20d13249a45933a113da24d3a7664059f2
sha256
fd8cbeb8648f5e19422c4454f9c3c0469ccd02b635d6facc4296b7217dbe450a
sha512
0416fb52602ccea6d48a89f5ef18b1b04bc9ad84c4d4177f3a058173f1894485cca51064a44a991678f4a23b3506a654efad98f688bce89d8e5edd834794d251
ripemd-160
43502a336e04a2eac27a9117f6ae52b015b811e5
Diameter
157680774
Circumference
495368761.21075
Area
1.9527532420783E+16
Volume
2.0527442842795E+24
Surface area
7.8110129683133E+16
Circumference
495368761.21075
Perimeter
315361548
Area
6215806622309769
Diagonal
111497144.55814
Surface area
37294839733858614
Volume
4.9005659962007E+23
Space diagonal
136555555.97239
Perimeter
236521161
Area
2.6915232199659E+15
Altitude
68277777.986196
Surface area
2.6915232199659E+15
Volume
5.7753724126095E+22
Height
37165714.852714