87990809 is an odd 8-digits prime number following 87990808
and preceding 87990810 . In scientific notation, it is written as 8.7990809 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 87990808 positive integers (up to 87990809) that are relatively prime to 87990809.
87990809 has 2 divisors, whose sum is 87990810
The reverse of 87990809 is 90809978
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty-seven million nine hundred ninety thousand eight hundred nine
Scientific notation
8.7990809 × 10^7
Engineering notation
8.7990809 × 10^6
Prime Factorization
87990809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87990809
Product of the distinct prime numbers
The prime factorization of 87990809 is 87990809.
Since it has a total of 1 prime factors.
3 , 9 , 24 , 38 , 673 , 881 , 5100 , 8472 , 88074 , 35245 , 375647 , 191093 , 7289034 , 148565 , 38559278 , 5673266 , 824116907 , 770479055 , 4327290236 , 4440692066
n×2
175981618
n×3
263972427
n×4
351963236
n×5
439954045
n÷2
43995404.5
n÷3
29330269.666667
n÷3
21997702.25
n÷5
17598161.8
n2
7742382468474481
n3
6.8125849698849E+23
n4
5.9944486288141E+31
n5
5.2745638435829E+39
2 √n
9380.341624909
3 √n
444.78053227092
4 √n
96.852163759562
5 √n
38.804979839066
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87990810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43995405
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9380.3416782119
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999772704
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87990809 can be divided by 2 positive divisors.
The sum of these divisors (counting 87990809) is 87990810, the average is 43995405.
Base
System
Value
2
Binary
101001111101010001000011001
3
Ternary
20010120101200212
4
Quaternary
11033222020121
5
Quinary
140011201214
6
Senary
12421540505
8
Octal
517521031
10
Decimal
87990809
12
Duodecimal
25574735
16
Hexadecimal
53ea219
20
Vigesimal
179ih09
36
Base36
1gdy55
md5
55425699084c638448b50042889f2410
sha1
2d60930125da0a5e7abcc42e79f6fe41e024bec0
sha256
d38eaf2a1b5baf6923bd6d974900ddc7db368af09e8b4dd7be20448f1d5b3116
sha512
6f2d62339604dca076c823003669d297a612aada0609121cf0498dd2d05a62a4aa71bdaf1680b5bee0e7c274e7113856a04a00b0ed2cedd067bd9b74e64e543a
ripemd-160
e3a526d3fc0349d1ce2cca212653650be61dd134
Diameter
175981618
Circumference
552862558.27565
Area
2.4323411884242E+16
Volume
2.8536489191129E+24
Surface area
9.7293647536967E+16
Circumference
552862558.27565
Perimeter
351963236
Area
7742382468474481
Diagonal
124437795.45198
Surface area
46454294810846886
Volume
6.8125849698849E+23
Space diagonal
152404551.78709
Perimeter
263972427
Area
3.3525499517571E+15
Altitude
76202275.893544
Surface area
3.3525499517571E+15
Volume
8.0287083826919E+22
Height
41479265.15066