78275280 is an even 8-digits composite number following 78275279
and preceding 78275281 . In scientific notation, it is written as 7.8275280 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 20873344 positive integers (up to 78275280) that are relatively prime to 78275280.
78275280 has 20 divisors, whose sum is 161769408
The reverse of 78275280 is 08257287
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million two hundred seventy-five thousand two hundred eighty
Scientific notation
7.8275280 × 10^7
Engineering notation
7.8275280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 326147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9784410
Product of the distinct prime numbers
The prime factorization of 78275280 is 2 × 2 × 2 × 2 × 15 × 326147.
Since it has a total of 6 prime factors.
10 , 8 , 67 , 79 , 22 , 672 , 6503 , 8534 , 26555 , 57455 , 546348 , 580170 , 9094355 , 3358474 , 85433000 , 30450068 , 64415019 , 73461332 , 2527658676 , 2283250835
n×2
156550560
n×3
234825840
n×4
313101120
n×5
391376400
n÷2
39137640
n÷3
26091760
n÷3
19568820
n÷5
15655056
n2
6127019459078400
n3
4.7959416372481E+23
n4
3.7540367451925E+31
n5
2.9384827736023E+39
2 √n
8847.3318011703
3 √n
427.76791796518
4 √n
94.060256225307
5 √n
37.907480999534
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 326147 , 652294 , 1304588 , 2609176 , 4892205 , 5218352 , 9784410 , 19568820 , 39137640 , 78275280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78275279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78275280 can be divided by 20 positive divisors.
The sum of these divisors (counting 78275280) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010100110001011010000
3
Ternary
12110021210111110
4
Quaternary
10222212023100
5
Quinary
130014302110
6
Senary
11433413320
8
Octal
452461320
10
Decimal
78275280
12
Duodecimal
2226a240
16
Hexadecimal
4aa62d0
20
Vigesimal
1494840
36
Base36
1alplc
md5
4f0c12109f8012441f5cd18920390d0c
sha1
a34fe8d9105a615819e8ed94462f01a0e5715ab4
sha256
ff849e93c8a9384369e06eb1edaa219da156cf2b83fc45dfb745d8787821d3e3
sha512
0120efd5745b532eaff5f688a8ee624f4ecb79d4055cbc19164a0e5dc40cefef055211a3c4466bb9152c9a1a67714d3d0a964e697d0ecc0fdf067f1c9abb5549
ripemd-160
724089e94b0ac2c7ce24a0e96bcd5481b21af07e
Diameter
156550560
Circumference
491818089.21137
Area
1.9248599321042E+16
Volume
2.0089193352832E+24
Surface area
7.699439728417E+16
Circumference
491818089.21137
Perimeter
313101120
Area
6127019459078400
Diagonal
110697962.57455
Surface area
36762116754470400
Volume
4.7959416372481E+23
Space diagonal
135576761.93668
Perimeter
234825840
Area
2.6530772505217E+15
Altitude
67788380.96834
Surface area
2.6530772505217E+15
Volume
5.6520714231217E+22
Height
36899320.858184