87130893 is an odd 8-digits composite number following 87130892
and preceding 87130894 . In scientific notation, it is written as 8.7130893 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 55961280 positive integers (up to 87130893) that are relatively prime to 87130893.
87130893 has 16 divisors, whose sum is 120488576
The reverse of 87130893 is 39803178
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million one hundred thirty thousand eight hundred ninety-three
Scientific notation
8.7130893 × 10^7
Engineering notation
8.7130893 × 10^6
Prime Factorization
3 × 37 × 103 × 7621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87130893
Product of the distinct prime numbers
The prime factorization of 87130893 is 3 × 37 × 103 × 7621.
Since it has a total of 4 prime factors.
8 , 9 , 45 , 8 , 197 , 93 , 5812 , 739 , 21603 , 29506 , 803581 , 295920 , 1776573 , 8599306 , 35070031 , 83117078 , 264323988 , 884213124 , 7052046452 , 720814397
n×2
174261786
n×3
261392679
n×4
348523572
n×5
435654465
n÷2
43565446.5
n÷3
29043631
n÷3
21782723.25
n÷5
17426178.6
n2
7591792514977449
n3
6.614796613007E+23
n4
5.7635313590468E+31
n5
5.0218163414725E+39
2 √n
9334.393017224
3 √n
443.32687040283
4 √n
96.614662537443
5 √n
38.728834984845
1 , 3 , 37 , 103 , 111 , 309 , 3811 , 7621 , 11433 , 22863 , 281977 , 784963 , 845931 , 2354889 , 29043631 , 87130893
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87130892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87130893 can be divided by 16 positive divisors.
The sum of these divisors (counting 87130893) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100011000001100001101
3
Ternary
20001221201010010
4
Quaternary
11030120030031
5
Quinary
134301142033
6
Senary
12351303433
8
Octal
514301415
10
Decimal
87130893
12
Duodecimal
2521ab79
16
Hexadecimal
531830d
20
Vigesimal
174b74d
36
Base36
1fviml
md5
3d86444c813c1b5f63ebb8e82f2147dc
sha1
261dd25c0f30257cb539365f36a451e80caf1315
sha256
11963cf6175058ad6ec60c00032653b2da0d619f47dd545389fc2f3d830c643c
sha512
6594ebd8608b15a45bc43b98538166b689b615f1d592d66d2bbf42b453e8e26d0744c49e9d156221e813e269d39461b781387959622c6f0d9fc9a8231800ae08
ripemd-160
426ce942cd9bccd2218aca3533712f347ba89486
Diameter
174261786
Circumference
547459546.69904
Area
2.3850319592631E+16
Volume
2.7707995259218E+24
Surface area
9.5401278370525E+16
Circumference
547459546.69904
Perimeter
348523572
Area
7591792514977449
Diagonal
123221690.58228
Surface area
45550755089864694
Volume
6.614796613007E+23
Space diagonal
150915133.58485
Perimeter
261392679
Area
3.2873425891155E+15
Altitude
75457566.792424
Surface area
3.2873425891155E+15
Volume
7.7956125687118E+22
Height
41073896.86076