87090621 is an odd 8-digits composite number following 87090620
and preceding 87090622 . In scientific notation, it is written as 8.7090621 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 58060412 positive integers (up to 87090621) that are relatively prime to 87090621.
87090621 has 4 divisors, whose sum is 116120832
The reverse of 87090621 is 12609078
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-seven million ninety thousand six hundred twenty-one
Scientific notation
8.7090621 × 10^7
Engineering notation
8.7090621 × 10^6
Prime Factorization
3 × 29030207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87090621
Product of the distinct prime numbers
The prime factorization of 87090621 is 3 × 29030207.
Since it has a total of 2 prime factors.
1 , 6 , 92 , 75 , 320 , 273 , 8818 , 5837 , 45830 , 85349 , 341973 , 522205 , 644705 , 880335 , 62765652 , 47104655 , 288092284 , 497544598 , 4352520525 , 5382566369
n×2
174181242
n×3
261271863
n×4
348362484
n×5
435453105
n÷2
43545310.5
n÷3
29030207
n÷3
21772655.25
n÷5
17418124.2
n2
7584776266165641
n3
6.6056287516643E+23
n4
5.752883100779E+31
n5
5.0102216178725E+39
2 √n
9332.2355842531
3 √n
443.25855781213
4 √n
96.603496749616
5 √n
38.725254220263
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
-87090620
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 87090621 can be divided by 4 positive divisors.
The sum of these divisors (counting 87090621) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001110010110111101
3
Ternary
20001212122212120
4
Quaternary
11030032112331
5
Quinary
134243344441
6
Senary
12350353153
8
Octal
514162675
10
Decimal
87090621
12
Duodecimal
251bb7b9
16
Hexadecimal
530e5bd
20
Vigesimal
17466b1
36
Base36
1funjx
md5
2c4126022550dc62fdadbb4f623ae4c0
sha1
ba0762a9bedbb9cb905f59247118994fa0824370
sha256
d4af3863f531204534d0c902ae29e55a749f02c19971081c6c04bbfd6f007ada
sha512
8f0b1d1f320babd7fb3591180c4ebacdab64b0316f2f9b73397fcd6ecbaf5c1b9b57895b1869d726045832798074ec9335e1dfc68cba017dad26fe9523f2c34f
ripemd-160
3828e37815c9d0d7d4f271f83b52bd21cd1e79bd
Diameter
174181242
Circumference
547206510.26035
Area
2.3828277396908E+16
Volume
2.7669593011427E+24
Surface area
9.5313109587633E+16
Circumference
547206510.26035
Perimeter
348362484
Area
7584776266165641
Diagonal
123164737.3737
Surface area
45508657596993846
Volume
6.6056287516643E+23
Space diagonal
150845380.43473
Perimeter
261271863
Area
3.2843044642604E+15
Altitude
75422690.217363
Surface area
3.2843044642604E+15
Volume
7.7848081405044E+22
Height
41054912.457898