87942731 is an odd 8-digits composite number following 87942730
and preceding 87942732 . In scientific notation, it is written as 8.7942731 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 84119112 positive integers (up to 87942731) that are relatively prime to 87942731.
87942731 has 4 divisors, whose sum is 91766352
The reverse of 87942731 is 13724978
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million nine hundred forty-two thousand seven hundred thirty-one
Scientific notation
8.7942731 × 10^7
Engineering notation
8.7942731 × 10^6
Prime Factorization
23 × 3823597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87942731
Product of the distinct prime numbers
The prime factorization of 87942731 is 23 × 3823597.
Since it has a total of 2 prime factors.
3 , 3 , 10 , 84 , 892 , 594 , 8383 , 9295 , 828 , 49989 , 869645 , 43927 , 8005220 , 7234305 , 61054857 , 544834 , 776567903 , 674226916 , 6342917882 , 3748118088
n×2
175885462
n×3
263828193
n×4
351770924
n×5
439713655
n÷2
43971365.5
n÷3
29314243.666667
n÷3
21985682.75
n÷5
17588546.2
n2
7733923935738361
n3
6.801423922551E+23
n4
5.9813579443787E+31
n5
5.2601695271721E+39
2 √n
9377.7785749078
3 √n
444.69950845109
4 √n
96.838931091312
5 √n
38.800738319448
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87942730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87942731 can be divided by 4 positive divisors.
The sum of these divisors (counting 87942731) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111011110011001001011
3
Ternary
20010110221202012
4
Quaternary
11033132121023
5
Quinary
140003131411
6
Senary
12420530135
8
Octal
517363113
10
Decimal
87942731
12
Duodecimal
2555094b
16
Hexadecimal
53de64b
20
Vigesimal
179cggb
36
Base36
1gcx1n
md5
4b70af8e859d50c93c69727563d5610b
sha1
137780503dd706b5b74637ef25a89455ae9fe631
sha256
cdcd4f3216a1ae78af62b7256022c28ed3351d8a0e203bd9e1d90138437b7d1b
sha512
bffec10b800b92ba60e58c6ed45b00429a044bd0aeff2648993a225c9e464804c9128a996fa1f2a737222da87f584d250fe9c5199129751e0d89b5db9a4ddc54
ripemd-160
a85d3632b580f4a20f924ac80245bff3f0a8edec
Diameter
175885462
Circumference
552560475.29245
Area
2.4296838619938E+16
Volume
2.8489737905381E+24
Surface area
9.7187354479752E+16
Circumference
552560475.29245
Perimeter
351770924
Area
7733923935738361
Diagonal
124369802.89233
Surface area
46403543614430166
Volume
6.801423922551E+23
Space diagonal
152321278.24836
Perimeter
263828193
Area
3.348887299643E+15
Altitude
76160639.124181
Surface area
3.348887299643E+15
Volume
8.015554962267E+22
Height
41456600.96411