87211345 is an odd 8-digits composite number following 87211344
and preceding 87211346 . In scientific notation, it is written as 8.7211345 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 64402176 positive integers (up to 87211345) that are relatively prime to 87211345.
87211345 has 8 divisors, whose sum is 112703976
The reverse of 87211345 is 54311278
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-seven million two hundred eleven thousand three hundred forty-five
Scientific notation
8.7211345 × 10^7
Engineering notation
8.7211345 × 10^6
Prime Factorization
5 × 13 × 1341713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87211345
Product of the distinct prime numbers
The prime factorization of 87211345 is 5 × 13 × 1341713.
Since it has a total of 3 prime factors.
2 , 3 , 86 , 85 , 698 , 564 , 1980 , 7775 , 83229 , 39687 , 173745 , 876716 , 9824554 , 3662538 , 45063473 , 11589336 , 568045238 , 65342134 , 7710284736 , 7893154152
n×2
174422690
n×3
261634035
n×4
348845380
n×5
436056725
n÷2
43605672.5
n÷3
29070448.333333
n÷3
21802836.25
n÷5
17442269
n2
7605818696709025
n3
6.6331367836614E+23
n4
5.7848478047209E+31
n5
5.0450435767E+39
2 √n
9338.7014621948
3 √n
443.46327652415
4 √n
96.636957020567
5 √n
38.735984371182
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
-87211344
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 87211345 can be divided by 8 positive divisors.
The sum of these divisors (counting 87211345) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100101011110101010001
3
Ternary
20002002210110211
4
Quaternary
11030223311101
5
Quinary
134311230340
6
Senary
12353124121
8
Octal
514536521
10
Decimal
87211345
12
Duodecimal
25259641
16
Hexadecimal
532bd51
20
Vigesimal
1751875
36
Base36
1fx8pd
md5
fdfec8147093674f0724449b79492677
sha1
1d23e30b2c4f0b3c4379bf21561e3f1320c5f7a4
sha256
fe119b31f3f6ecca583460a2e2eb6b9cd5baf2c1fcf472afaaa7b75c825624bd
sha512
fb2b064789e717b1b9f6ce5bcca2384aca6741619b2b879c785f77b012696b21042357c62b962b14be6ff1ffc9534477030f2ac19d2d2233ba7a3f1de3a45779
ripemd-160
62a96fb3b14346d0a931184959053e418c5d7d0e
Diameter
174422690
Circumference
547965041.52337
Area
2.3894384142117E+16
Volume
2.7784818386409E+24
Surface area
9.5577536568468E+16
Circumference
547965041.52337
Perimeter
348845380
Area
7605818696709025
Diagonal
123335466.8918
Surface area
45634912180254150
Volume
6.6331367836614E+23
Space diagonal
151054480.53642
Perimeter
261634035
Area
3.2934161039643E+15
Altitude
75527240.268209
Surface area
3.2934161039643E+15
Volume
7.8172266671082E+22
Height
41111822.297266