78280131 is an odd 8-digits composite number following 78280130
and preceding 78280132 . In scientific notation, it is written as 7.8280131 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 52186752 positive integers (up to 78280131) that are relatively prime to 78280131.
78280131 has 4 divisors, whose sum is 104373512
The reverse of 78280131 is 13108287
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-eight million two hundred eighty thousand one hundred thirty-one
Scientific notation
7.8280131 × 10^7
Engineering notation
7.8280131 × 10^6
Prime Factorization
3 × 26093377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78280131
Product of the distinct prime numbers
The prime factorization of 78280131 is 3 × 26093377.
Since it has a total of 2 prime factors.
2 , 3 , 30 , 90 , 267 , 388 , 560 , 6542 , 8911 , 27203 , 845479 , 407903 , 3046382 , 5749689 , 9451635 , 14145675 , 412368471 , 273912988 , 7912606393 , 3825109831
n×2
156560262
n×3
234840393
n×4
313120524
n×5
391400655
n÷2
39140065.5
n÷3
26093377
n÷3
19570032.75
n÷5
15656026.2
n2
6127778909377161
n3
4.7968333576508E+23
n4
3.7549674362208E+31
n5
2.9393934280809E+39
2 √n
8847.6059473736
3 √n
427.77675455363
4 √n
94.061713504345
5 √n
37.907950840413
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
-78280130
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 78280131 can be divided by 4 positive divisors.
The sum of these divisors (counting 78280131) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010100111010111000011
3
Ternary
12110022001011010
4
Quaternary
10222213113003
5
Quinary
130014431011
6
Senary
11433452003
8
Octal
452472703
10
Decimal
78280131
12
Duodecimal
22271003
16
Hexadecimal
4aa75c3
20
Vigesimal
149506b
36
Base36
1altc3
md5
7eb368085e5341f45d4a461665e13e88
sha1
5d8e596e4ae0b26267ff5ba8869774cca635c0b6
sha256
4b50b11468a9e5ec669b6955fa00082398e7437d3ca322f5bcf142e08090ee43
sha512
10ec31ed84f49ecb9e67dff8ff1c953a02a9ca635dc48d70f54fdc40572359bb80d60107b3303c2561fd3750f8c31210af38dd05af92dee2357424f2e7a3b904
ripemd-160
51f33e103d5fa63cc0e8b269403574352baddbbc
Diameter
156560262
Circumference
491848568.94329
Area
1.9250985204522E+16
Volume
2.009292858252E+24
Surface area
7.7003940818087E+16
Circumference
491848568.94329
Perimeter
313120524
Area
6127778909377161
Diagonal
110704822.92454
Surface area
36766673456262966
Volume
4.7968333576508E+23
Space diagonal
135585164.11515
Perimeter
234840393
Area
2.6534061021476E+15
Altitude
67792582.057574
Surface area
2.6534061021476E+15
Volume
5.6531223256945E+22
Height
36901607.641514