78386871 is an odd 8-digits composite number following 78386870
and preceding 78386872 . In scientific notation, it is written as 7.8386871 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 52257912 positive integers (up to 78386871) that are relatively prime to 78386871.
78386871 has 4 divisors, whose sum is 104515832
The reverse of 78386871 is 17868387
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million three hundred eighty-six thousand eight hundred seventy-one
Scientific notation
7.8386871 × 10^7
Engineering notation
7.8386871 × 10^6
Prime Factorization
3 × 26128957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78386871
Product of the distinct prime numbers
The prime factorization of 78386871 is 3 × 26128957.
Since it has a total of 2 prime factors.
2 , 5 , 82 , 28 , 391 , 679 , 9634 , 2421 , 54307 , 79310 , 595706 , 540569 , 1279992 , 7189241 , 70376548 , 82083259 , 718303924 , 652647521 , 3109285332 , 2170810624
n×2
156773742
n×3
235160613
n×4
313547484
n×5
391934355
n÷2
39193435.5
n÷3
26128957
n÷3
19596717.75
n÷5
15677374.2
n2
6144501545170641
n3
4.8164824998059E+23
n4
3.7754899238604E+31
n5
2.9594884162345E+39
2 √n
8853.6360327269
3 √n
427.97109996436
4 √n
94.093761922494
5 √n
37.91828319288
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78386870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78386871 can be divided by 4 positive divisors.
The sum of these divisors (counting 78386871) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011000001011010110111
3
Ternary
12110111110120110
4
Quaternary
10223001122313
5
Quinary
130031334441
6
Senary
11440034103
8
Octal
453013267
10
Decimal
78386871
12
Duodecimal
22302933
16
Hexadecimal
4ac16b7
20
Vigesimal
149i73b
36
Base36
1ao3p3
md5
45a9aca3162eabb73c229a01878a94de
sha1
a05d1b965c0d8787395b1a2833ef45eabf285134
sha256
726f8d09c819895965544abbd903f280c180a4c242b9f249665483bb22295da9
sha512
8a22dd1a1efa56598008cc33f935734f850eec7c35eaf6ddd57f3e569981607cab4d1b24c2ef643ad4133949e1fcab7025e7852047f822ff18d6f62c22800c9a
ripemd-160
57d6c6dc9efbfb96a67a72c9e055e3de37d55c41
Diameter
156773742
Circumference
492519236.14298
Area
1.9303520914279E+16
Volume
2.0175234716712E+24
Surface area
7.7214083657117E+16
Circumference
492519236.14298
Perimeter
313547484
Area
6144501545170641
Diagonal
110855776.08019
Surface area
36867009271023846
Volume
4.8164824998059E+23
Space diagonal
135770043.21835
Perimeter
235160613
Area
2.6606472158553E+15
Altitude
67885021.609174
Surface area
2.6606472158553E+15
Volume
5.6762790617985E+22
Height
36951925.360063