87945424 is an even 8-digits composite number following 87945423
and preceding 87945425 . In scientific notation, it is written as 8.7945424 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 37690848 positive integers (up to 87945424) that are relatively prime to 87945424.
87945424 has 20 divisors, whose sum is 194736544
The reverse of 87945424 is 42454978
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million nine hundred forty-five thousand four hundred twenty-four
Scientific notation
8.7945424 × 10^7
Engineering notation
8.7945424 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 785227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10993178
Product of the distinct prime numbers
The prime factorization of 87945424 is 2 × 2 × 2 × 2 × 7 × 785227.
Since it has a total of 6 prime factors.
9 , 10 , 89 , 63 , 412 , 230 , 58 , 1990 , 74060 , 6819 , 775811 , 925861 , 5111909 , 9623818 , 2337174 , 59027866 , 573222395 , 300850255 , 651238545 , 4762353216
n×2
175890848
n×3
263836272
n×4
351781696
n×5
439727120
n÷2
43972712
n÷3
29315141.333333
n÷3
21986356
n÷5
17589084.8
n2
7734397602539776
n3
6.8020487653994E+23
n4
5.9820906274173E+31
n5
5.2609749663464E+39
2 √n
9377.9221579196
3 √n
444.70404763069
4 √n
96.839672438106
5 √n
38.80097594934
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 785227 , 1570454 , 3140908 , 5496589 , 6281816 , 10993178 , 12563632 , 21986356 , 43972712 , 87945424
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
-87945423
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 87945424 can be divided by 20 positive divisors.
The sum of these divisors (counting 87945424) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001111011111000011010000
3
Ternary
20010111002102221
4
Quaternary
11033133003100
5
Quinary
140003223144
6
Senary
12420550424
8
Octal
517370320
10
Decimal
87945424
12
Duodecimal
25552414
16
Hexadecimal
53df0d0
20
Vigesimal
179d3b4
36
Base36
1gcz4g
md5
59da2442282236a48e6dcf47c80cd9fb
sha1
3e2f926d07c1e78c0c8b073e4fc7116779f6b1d7
sha256
a04002a7442f0a4722f41d37afae12381866fbe8661caf84a025090a87ab2c0c
sha512
850cca7c72392d6b0e1083955d890f2d7d0ccca24627d6da064d8b6b3a5d158def70c3379104c2f6963e6eb3669b7569a69e9d5f9bbfdd3864a50cc91f864f9b
ripemd-160
307e5f0ee2662ddfadbddd239213c1b7a87ae922
Diameter
175890848
Circumference
552577395.91048
Area
2.4298326688081E+16
Volume
2.8492355240985E+24
Surface area
9.7193306752326E+16
Circumference
552577395.91048
Perimeter
351781696
Area
7734397602539776
Diagonal
124373611.36945
Surface area
46406385615238656
Volume
6.8020487653994E+23
Space diagonal
152325942.66119
Perimeter
263836272
Area
3.3490924033845E+15
Altitude
76162971.330594
Surface area
3.3490924033845E+15
Volume
8.0162913466259E+22
Height
41457870.456484