87991656 is an even 8-digits composite number following 87991655
and preceding 87991657 . In scientific notation, it is written as 8.7991656 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 32 positive divisors.
There are 28832960 positive integers (up to 87991656) that are relatively prime to 87991656.
87991656 has 32 divisors, whose sum is 223711200
The reverse of 87991656 is 65619978
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million nine hundred ninety-one thousand six hundred fifty-six
Scientific notation
8.7991656 × 10^7
Engineering notation
8.7991656 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 59 × 62141
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21997914
Product of the distinct prime numbers
The prime factorization of 87991656 is 2 × 2 × 2 × 3 × 59 × 62141.
Since it has a total of 6 prime factors.
5 , 6 , 34 , 3 , 492 , 712 , 9658 , 5062 , 16511 , 44922 , 281976 , 328870 , 6969331 , 7413127 , 12750749 , 37221458 , 928928501 , 22330717 , 2263172459 , 2518416059
n×2
175983312
n×3
263974968
n×4
351966624
n×5
439958280
n÷2
43995828
n÷3
29330552
n÷3
21997914
n÷5
17598331.2
n2
7742531525622336
n3
6.8127817057172E+23
n4
5.9946794425256E+31
n5
5.2748177133698E+39
2 √n
9380.3867724098
3 √n
444.78195941961
4 √n
96.852396833583
5 √n
38.805054546167
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 59 , 118 , 177 , 236 , 354 , 472 , 708 , 1416 , 62141 , 124282 , 186423 , 248564 , 372846 , 497128 , 745692 , 1491384 , 3666319 , 7332638 , 10998957 , 14665276 , 21997914 , 29330552 , 43995828 , 87991656
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87991655
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87991656 can be divided by 32 positive divisors.
The sum of these divisors (counting 87991656) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001111101010010101101000
3
Ternary
20010120102212020
4
Quaternary
11033222111220
5
Quinary
140011213111
6
Senary
12421544440
8
Octal
517522550
10
Decimal
87991656
12
Duodecimal
25575120
16
Hexadecimal
53ea568
20
Vigesimal
179ij2g
36
Base36
1gdyso
md5
e24add87a842bff3ce1f8518b86e30ac
sha1
e454f28a7268994321e5d1b1e67cd50d5d7d7fbd
sha256
270c2960306f55b8802b4e0485915d4dd5ef8fbff4ecce62d43b14509ecb0b5d
sha512
4b6892e10c91541a41c673598cad007256172eb3db80b3af8b94cd14ebb595ff7191acc9ecd26928c1fa57cad09f789779940c77244abe45194f1a795ad55f21
ripemd-160
b7345b22ece916f47bf42fc5982b3e4ef8fec373
Diameter
175983312
Circumference
552867880.1336
Area
2.4323880161083E+16
Volume
2.8537313276256E+24
Surface area
9.729552064433E+16
Circumference
552867880.1336
Perimeter
351966624
Area
7742531525622336
Diagonal
124438993.29087
Surface area
46455189153734016
Volume
6.8127817057172E+23
Space diagonal
152406018.83412
Perimeter
263974968
Area
3.3526144953954E+15
Altitude
76203009.417061
Surface area
3.3526144953954E+15
Volume
8.0289402380938E+22
Height
41479664.430289