87081320 is an even 8-digits composite number following 87081319
and preceding 87081321 . In scientific notation, it is written as 8.7081320 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 34783488 positive integers (up to 87081320) that are relatively prime to 87081320.
87081320 has 32 divisors, whose sum is 196209000
The reverse of 87081320 is 02318078
Previous prime number is 1117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-seven million eighty-one thousand three hundred twenty
Scientific notation
8.7081320 × 10^7
Engineering notation
8.7081320 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1117 × 1949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21770330
Product of the distinct prime numbers
The prime factorization of 87081320 is 2 × 2 × 2 × 5 × 1117 × 1949.
Since it has a total of 6 prime factors.
10 , 7 , 18 , 26 , 168 , 631 , 4193 , 9379 , 89892 , 5151 , 203133 , 991437 , 3608940 , 5241061 , 37366873 , 91467172 , 738813327 , 198417317 , 8582958875 , 3002173882
n×2
174162640
n×3
261243960
n×4
348325280
n×5
435406600
n÷2
43540660
n÷3
29027106.666667
n÷3
21770330
n÷5
17416264
n2
7583156292942400
n3
6.6035125975573E+23
n4
5.7504259363192E+31
n5
5.0075468109691E+39
2 √n
9331.7372444792
3 √n
443.24277771789
4 √n
96.600917410132
5 √n
38.724427038247
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1117 , 1949 , 2234 , 3898 , 4468 , 5585 , 7796 , 8936 , 9745 , 11170 , 15592 , 19490 , 22340 , 38980 , 44680 , 77960 , 2177033 , 4354066 , 8708132 , 10885165 , 17416264 , 21770330 , 43540660 , 87081320
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
-87081319
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 87081320 can be divided by 32 positive divisors.
The sum of these divisors (counting 87081320) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100001100000101101000
3
Ternary
20001212012010002
4
Quaternary
11030030011220
5
Quinary
134243100240
6
Senary
12350242132
8
Octal
514140550
10
Decimal
87081320
12
Duodecimal
251b6348
16
Hexadecimal
530c168
20
Vigesimal
1745360
36
Base36
1fugdk
md5
766819bdf32de4e3133d66aa9cd6abdb
sha1
e024f2612ccc3d9c9d14a8436bbc8ce436a6159a
sha256
1a23de590654025703a9c8c0223263289b04dfddd910335693ec074aaa7c856b
sha512
149018d7f99fb68caf2367d6ccf69d76d817b847f282fad329f9da8f07488c5112034f8055418d316c79c694ab3e32eb06e0bd0e08e5a31985dfc284889a807f
ripemd-160
f1763aaa43e127e74f73c1a649b9425d2dd45999
Diameter
174162640
Circumference
547148070.3538
Area
2.3823188100931E+16
Volume
2.7660728885832E+24
Surface area
9.5292752403724E+16
Circumference
547148070.3538
Perimeter
348325280
Area
7583156292942400
Diagonal
123151583.77335
Surface area
45498937757654400
Volume
6.6035125975573E+23
Space diagonal
150829270.63016
Perimeter
261243960
Area
3.283602995278E+15
Altitude
75414635.315082
Surface area
3.283602995278E+15
Volume
7.7823142289726E+22
Height
41050527.92445