87218690 is an even 8-digits composite number following 87218689
and preceding 87218691 . In scientific notation, it is written as 8.7218690 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 32068800 positive integers (up to 87218690) that are relatively prime to 87218690.
87218690 has 32 divisors, whose sum is 169779456
The reverse of 87218690 is 09681278
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million two hundred eighteen thousand six hundred ninety
Scientific notation
8.7218690 × 10^7
Engineering notation
8.7218690 × 10^6
Prime Factorization
2 × 5 × 13 × 263 × 2551
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87218690
Product of the distinct prime numbers
The prime factorization of 87218690 is 2 × 5 × 13 × 263 × 2551.
Since it has a total of 5 prime factors.
7 , 10 , 90 , 48 , 763 , 767 , 6030 , 9757 , 97979 , 83555 , 895052 , 987738 , 107959 , 6219808 , 536375 , 21805265 , 363213115 , 338718699 , 8858442335 , 7635035723
n×2
174437380
n×3
261656070
n×4
348874760
n×5
436093450
n÷2
43609345
n÷3
29072896.666667
n÷3
21804672.5
n÷5
17443738
n2
7607099885316100
n3
6.6348128669642E+23
n4
5.7867968665176E+31
n5
5.0471684199377E+39
2 √n
9339.0947098742
3 √n
443.47572576963
4 √n
96.638991664204
5 √n
38.736636823499
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 263 , 526 , 1315 , 2551 , 2630 , 3419 , 5102 , 6838 , 12755 , 17095 , 25510 , 33163 , 34190 , 66326 , 165815 , 331630 , 670913 , 1341826 , 3354565 , 6709130 , 8721869 , 17443738 , 43609345 , 87218690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87218689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87218690 can be divided by 32 positive divisors.
The sum of these divisors (counting 87218690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100101101101000000010
3
Ternary
20002010011112212
4
Quaternary
11030231220002
5
Quinary
134311444230
6
Senary
12353222122
8
Octal
514555002
10
Decimal
87218690
12
Duodecimal
25261942
16
Hexadecimal
532da02
20
Vigesimal
17526ea
36
Base36
1fxede
md5
b5d1088846f309e0cad66e45c73433da
sha1
2a63e21c9a1b849fc76f568dfd65b033c2f48c99
sha256
dcbe4487380c93a8bc26eedcba63c5c31f691d0cdb4ff976482e369280f38e9b
sha512
ad86c1bb9cff21815472f2034f95c1339814d62b19123e03ae9333496e11f41c6513d12de41da67e17ac159a1f103ed17336c276040e0cf5816837322a13fa2e
ripemd-160
2eed5d16eae0c40718d26f779a4169bbd48a7637
Diameter
174437380
Circumference
548011191.51945
Area
2.3898409114833E+16
Volume
2.779183914773E+24
Surface area
9.5593636459331E+16
Circumference
548011191.51945
Perimeter
348874760
Area
7607099885316100
Diagonal
123345854.29041
Surface area
45642599311896600
Volume
6.6348128669642E+23
Space diagonal
151067202.4496
Perimeter
261656070
Area
3.2939708749047E+15
Altitude
75533601.2248
Surface area
3.2939708749047E+15
Volume
7.8192019502236E+22
Height
41115284.763472