87097891 is an odd 8-digits composite number following 87097890
and preceding 87097892 . In scientific notation, it is written as 8.7097891 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 87017112 positive integers (up to 87097891) that are relatively prime to 87097891.
87097891 has 4 divisors, whose sum is 87178672
The reverse of 87097891 is 19879078
Previous prime number is 1093
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-seven million ninety-seven thousand eight hundred ninety-one
Scientific notation
8.7097891 × 10^7
Engineering notation
8.7097891 × 10^6
Prime Factorization
1093 × 79687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87097891
Product of the distinct prime numbers
The prime factorization of 87097891 is 1093 × 79687.
Since it has a total of 2 prime factors.
9 , 8 , 41 , 12 , 218 , 354 , 7574 , 5570 , 78215 , 77656 , 990499 , 187868 , 6338554 , 3139560 , 16802377 , 9589978 , 424219291 , 774262496 , 5215312570 , 5838850627
n×2
174195782
n×3
261293673
n×4
348391564
n×5
435489455
n÷2
43548945.5
n÷3
29032630.333333
n÷3
21774472.75
n÷5
17419578.2
n2
7586042616647881
n3
6.6072831294615E+23
n4
5.7548042581598E+31
n5
5.0123131400354E+39
2 √n
9332.6250862231
3 √n
443.27089132564
4 √n
96.605512711351
5 √n
38.725900726614
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
-87097890
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 87097891 can be divided by 4 positive divisors.
The sum of these divisors (counting 87097891) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100010000001000100011
3
Ternary
20001220000211211
4
Quaternary
11030100020203
5
Quinary
134244113031
6
Senary
12350450551
8
Octal
514201043
10
Decimal
87097891
12
Duodecimal
25203a57
16
Hexadecimal
5310223
20
Vigesimal
17474eb
36
Base36
1fut5v
md5
460321e5264ca3544d1a872c91fd83d4
sha1
92d40d3faa3824075ca8fbb0069cea00883a8ebd
sha256
4e749bb9cdcc0316b9319f35c6278eebba2c130222c029862ad7410faaac6b8e
sha512
2bf4de62889d874385596cc610c1b009c3b526e7593956c4c775a5429722e7e9c1a5efed1042f80143ceefb1535e15412343b1e5fc88d6c55fdebabb03cd785d
ripemd-160
74dfac3c270573d726f24b145f6625ca6d51b3ae
Diameter
174195782
Circumference
547252189.01753
Area
2.383225575428E+16
Volume
2.7676522852939E+24
Surface area
9.532902301712E+16
Circumference
547252189.01753
Perimeter
348391564
Area
7586042616647881
Diagonal
123175018.70629
Surface area
45516255699887286
Volume
6.6072831294615E+23
Space diagonal
150857972.4441
Perimeter
261293673
Area
3.2848528101042E+15
Altitude
75428986.222048
Surface area
3.2848528101042E+15
Volume
7.7867578434362E+22
Height
41058339.568765