87831228 is an even 8-digits composite number following 87831227
and preceding 87831229 . In scientific notation, it is written as 8.7831228 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 29228976 positive integers (up to 87831228) that are relatively prime to 87831228.
87831228 has 24 divisors, whose sum is 205276288
The reverse of 87831228 is 82213878
Previous prime number is 643
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million eight hundred thirty-one thousand two hundred twenty-eight
Scientific notation
8.7831228 × 10^7
Engineering notation
8.7831228 × 10^6
Prime Factorization
2 × 2 × 3 × 643 × 11383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43915614
Product of the distinct prime numbers
The prime factorization of 87831228 is 2 × 2 × 3 × 643 × 11383.
Since it has a total of 5 prime factors.
7 , 9 , 80 , 84 , 265 , 311 , 4201 , 8457 , 91413 , 76028 , 319081 , 616256 , 3958261 , 4383610 , 63155204 , 17962824 , 726271533 , 763127582 , 4858755129 , 2860960863
n×2
175662456
n×3
263493684
n×4
351324912
n×5
439156140
n÷2
43915614
n÷3
29277076
n÷3
21957807
n÷5
17566245.6
n2
7714324611987984
n3
6.7755860386153E+23
n4
5.9510804219124E+31
n5
5.2269070138332E+39
2 √n
9371.8316246079
3 √n
444.51148343378
4 √n
96.808220852404
5 √n
38.790894198096
1 , 2 , 3 , 4 , 6 , 12 , 643 , 1286 , 1929 , 2572 , 3858 , 7716 , 11383 , 22766 , 34149 , 45532 , 68298 , 136596 , 7319269 , 14638538 , 21957807 , 29277076 , 43915614 , 87831228
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87831227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87831228 can be divided by 24 positive divisors.
The sum of these divisors (counting 87831228) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101001111000011001010111100
3
Ternary
20010021021210110
4
Quaternary
11033003022330
5
Quinary
134441044403
6
Senary
12414310020
8
Octal
517031274
10
Decimal
87831228
12
Duodecimal
254b8310
16
Hexadecimal
53c32bc
20
Vigesimal
178ii18
36
Base36
1gaj0c
md5
8d8764742d04b1b6a91ca68e47194497
sha1
8e8d5dd4dec54325496d9c079d765a7916307053
sha256
b51f547aae6512ecf29aaed61b29ee48391e223dde9971c650f05947027aaccf
sha512
d45228b1efa0f3c113fbf511ae2eda42d8eae8eb70d7b1329ae31f10f9d119922a8680f68ba74f7a007c103f9759d9aa74a7249e8e70535c2e677ebbba4b39f2
ripemd-160
1d6cf5c1cf8dcf259025a48eac3d6127dc410c7c
Diameter
175662456
Circumference
551859881.28114
Area
2.4235265528428E+16
Volume
2.8381508430239E+24
Surface area
9.6941062113714E+16
Circumference
551859881.28114
Perimeter
351324912
Area
7714324611987984
Diagonal
124212113.83748
Surface area
46285947671927904
Volume
6.7755860386153E+23
Space diagonal
152128149.38717
Perimeter
263493684
Area
3.3404005435106E+15
Altitude
76064074.693583
Surface area
3.3404005435106E+15
Volume
7.9851047240296E+22
Height
41404037.945828