87993881 is an odd 8-digits composite number following 87993880
and preceding 87993882 . In scientific notation, it is written as 8.7993881 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 85494528 positive integers (up to 87993881) that are relatively prime to 87993881.
87993881 has 8 divisors, whose sum is 90500040
The reverse of 87993881 is 18839978
Previous prime number is 2357
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighty-seven million nine hundred ninety-three thousand eight hundred eighty-one
Scientific notation
8.7993881 × 10^7
Engineering notation
8.7993881 × 10^6
Prime Factorization
37 × 2357 × 1009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87993881
Product of the distinct prime numbers
The prime factorization of 87993881 is 37 × 2357 × 1009.
Since it has a total of 3 prime factors.
6 , 9 , 15 , 55 , 667 , 965 , 6556 , 5157 , 88366 , 55751 , 345666 , 905776 , 6450703 , 1878946 , 18418247 , 13329934 , 639491100 , 426451206 , 1272352939 , 9833082954
n×2
175987762
n×3
263981643
n×4
351975524
n×5
439969405
n÷2
43996940.5
n÷3
29331293.666667
n÷3
21998470.25
n÷5
17598776.2
n2
7742923093442161
n3
6.813298532765E+23
n4
5.995285803096E+31
n5
5.2754846551862E+39
2 √n
9380.5053701813
3 √n
444.78570837931
4 √n
96.853009092032
5 √n
38.805250792896
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87993880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87993881 can be divided by 8 positive divisors.
The sum of these divisors (counting 87993881) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111101010111000011001
3
Ternary
20010120112220122
4
Quaternary
11033222320121
5
Quinary
140011301011
6
Senary
12422003025
8
Octal
517527031
10
Decimal
87993881
12
Duodecimal
25576475
16
Hexadecimal
53eae19
20
Vigesimal
179j4e1
36
Base36
1ge0ih
md5
35dcdde004252a55b3461a45ef164bfe
sha1
0ff26d9a5d32257b0d78b7a2b69e392f5ece0233
sha256
cb99062205bb0077cb4fafbed33819f1013d5bdc65e37dd2d05d69d7641bedb3
sha512
50f3d31b215c254f149e698b42678c9c0df2a934fff93b57b27be73c6a732aac2211768a6d9c628cdc814f1b3bfcf0b076a13a8d54916d21b1c42570fe03c2fd
ripemd-160
08342bfd4db2e3fb2c3a8051e8d73057f228cf9d
Diameter
175987762
Circumference
552881860.22091
Area
2.4325110307669E+16
Volume
2.8539478156332E+24
Surface area
9.7300441230675E+16
Circumference
552881860.22091
Perimeter
351975524
Area
7742923093442161
Diagonal
124442139.91604
Surface area
46457538560652966
Volume
6.813298532765E+23
Space diagonal
152409872.64717
Perimeter
263981643
Area
3.3527840492351E+15
Altitude
76204936.323585
Surface area
3.3527840492351E+15
Volume
8.0295493246108E+22
Height
41480713.305348