78840642 is an even 8-digits composite number following 78840641
and preceding 78840643 . In scientific notation, it is written as 7.8840642 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 24759504 positive integers (up to 78840642) that are relatively prime to 78840642.
78840642 has 32 divisors, whose sum is 167012352
The reverse of 78840642 is 24604887
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million eight hundred forty thousand six hundred forty-two
Scientific notation
7.8840642 × 10^7
Engineering notation
7.8840642 × 10^6
Prime Factorization
2 × 3 × 23 × 67 × 8527
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78840642
Product of the distinct prime numbers
The prime factorization of 78840642 is 2 × 3 × 23 × 67 × 8527.
Since it has a total of 5 prime factors.
5 , 6 , 39 , 13 , 365 , 635 , 1648 , 8362 , 95458 , 19116 , 995493 , 895362 , 9511546 , 6489081 , 17314687 , 36614476 , 459696230 , 190228481 , 379031936 , 4461840836
n×2
157681284
n×3
236521926
n×4
315362568
n×5
394203210
n÷2
39420321
n÷3
26280214
n÷3
19710160.5
n÷5
15768128.4
n2
6215846830972164
n3
4.9006135472751E+23
n4
3.8636751826107E+31
n5
3.0461463187649E+39
2 √n
8879.2253040454
3 √n
428.79533382671
4 √n
94.229641323977
5 √n
37.962082653433
1 , 2 , 3 , 6 , 23 , 46 , 67 , 69 , 134 , 138 , 201 , 402 , 1541 , 3082 , 4623 , 8527 , 9246 , 17054 , 25581 , 51162 , 196121 , 392242 , 571309 , 588363 , 1142618 , 1176726 , 1713927 , 3427854 , 13140107 , 26280214 , 39420321 , 78840642
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
-78840641
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 78840642 can be divided by 32 positive divisors.
The sum of these divisors (counting 78840642) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100110000001101000010
3
Ternary
12111100112000210
4
Quaternary
10230300031002
5
Quinary
130140400032
6
Senary
11453454550
8
Octal
454601502
10
Decimal
78840642
12
Duodecimal
224a1456
16
Hexadecimal
4b30342
20
Vigesimal
14cf1c2
36
Base36
1axttu
md5
0d4dd44e1a3beb5ea79545c83f0ae38f
sha1
58695dc4b9403f376ef3a73f5ae8f7a32eda91ce
sha256
20cfa4990d593dbf212d9e0f898d3b87cb6654f697c786098d25587e16f5c32e
sha512
1689ca83cfaad4f44a158324375489dd4cd56a68004f115267f49ee30cc25faec8126b95634ff645275b5b32b568025d2826e0dd35cc5794b0499b2af362e69a
ripemd-160
a87ea486b3d25e84400dd719e6b09d600b2200bb
Diameter
157681284
Circumference
495370363.42301
Area
1.9527658740022E+16
Volume
2.0527642024269E+24
Surface area
7.8110634960086E+16
Circumference
495370363.42301
Perimeter
315362568
Area
6215846830972164
Diagonal
111497505.1826
Surface area
37295080985832984
Volume
4.9006135472751E+23
Space diagonal
136555997.64535
Perimeter
236521926
Area
2.6915406308274E+15
Altitude
68277998.822674
Surface area
2.6915406308274E+15
Volume
5.7754284520882E+22
Height
37165835.060867