87490909 is an odd 8-digits composite number following 87490908
and preceding 87490910 . In scientific notation, it is written as 8.7490909 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 78963600 positive integers (up to 87490909) that are relatively prime to 87490909.
87490909 has 8 divisors, whose sum is 96132960
The reverse of 87490909 is 90909478
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-seven million four hundred ninety thousand nine hundred nine
Scientific notation
8.7490909 × 10^7
Engineering notation
8.7490909 × 10^6
Prime Factorization
11 × 139 × 57221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87490909
Product of the distinct prime numbers
The prime factorization of 87490909 is 11 × 139 × 57221.
Since it has a total of 3 prime factors.
2 , 2 , 55 , 10 , 631 , 769 , 5087 , 3457 , 27253 , 82715 , 152208 , 944757 , 1361229 , 4645249 , 62153210 , 27378112 , 184096180 , 194017950 , 462711382 , 6208512206
n×2
174981818
n×3
262472727
n×4
349963636
n×5
437454545
n÷2
43745454.5
n÷3
29163636.333333
n÷3
21872727.25
n÷5
17498181.8
n2
7654659157646281
n3
6.6971308778765E+23
n4
5.8593806819738E+31
n5
5.1264254204293E+39
2 √n
9353.6575199224
3 √n
443.93662522397
4 √n
96.714308765158
5 √n
38.760786941993
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
-87490908
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 87490909 can be divided by 8 positive divisors.
The sum of these divisors (counting 87490909) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001101110000000101011101
3
Ternary
20002121222222001
4
Quaternary
11031300011131
5
Quinary
134344202114
6
Senary
12403122301
8
Octal
515600535
10
Decimal
87490909
12
Duodecimal
25373391
16
Hexadecimal
537015d
20
Vigesimal
176g759
36
Base36
1g38f1
md5
3fe816e1ce29642b621d6fbb77d249b1
sha1
a55081fdfb60af4396c0b1c74c97dad19b55481a
sha256
06c80c1a7600a40a22f5f36e94ab8f77fab08d55306b0a96868159db8760afed
sha512
bebf3227b6a03d6e80c630e5f5445f3cf646d469264f6a1c53be0f7bdb09a50ab4a2d83544754cbb8fc76eaf3924c682d0a08f5bdad422d83110793c62685050
ripemd-160
3904361cba5abe7fb8cef7db54d3f95b364e8e30
Diameter
174981818
Circumference
549721593.94059
Area
2.4047820975395E+16
Volume
2.8052876221421E+24
Surface area
9.6191283901582E+16
Circumference
549721593.94059
Perimeter
349963636
Area
7654659157646281
Diagonal
123730830.09215
Surface area
45927954945877686
Volume
6.6971308778765E+23
Space diagonal
151538699.58839
Perimeter
262472727
Area
3.3145646439164E+15
Altitude
75769349.794193
Surface area
3.3145646439164E+15
Volume
7.8926444304005E+22
Height
41243610.030717