87081397 is an odd 8-digits composite number following 87081396
and preceding 87081398 . In scientific notation, it is written as 8.7081397 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 80382816 positive integers (up to 87081397) that are relatively prime to 87081397.
87081397 has 4 divisors, whose sum is 93779980
The reverse of 87081397 is 79318078
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million eighty-one thousand three hundred ninety-seven
Scientific notation
8.7081397 × 10^7
Engineering notation
8.7081397 × 10^6
Prime Factorization
13 × 6698569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87081397
Product of the distinct prime numbers
The prime factorization of 87081397 is 13 × 6698569.
Since it has a total of 2 prime factors.
5 , 5 , 17 , 67 , 564 , 336 , 680 , 6638 , 40515 , 6911 , 913148 , 300281 , 9186236 , 9166513 , 80505819 , 48762809 , 110226012 , 579398552 , 2140378817 , 5029315375
n×2
174162794
n×3
261244191
n×4
348325588
n×5
435406985
n÷2
43540698.5
n÷3
29027132.333333
n÷3
21770349.25
n÷5
17416279.4
n2
7583169703471609
n3
6.6035301146638E+23
n4
5.750446275165E+31
n5
5.0075689501481E+39
2 √n
9331.7413701838
3 √n
443.24290836085
4 √n
96.600938764506
5 √n
38.724433886512
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
-87081396
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 87081397 can be divided by 4 positive divisors.
The sum of these divisors (counting 87081397) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001100000110110101
3
Ternary
20001212012012221
4
Quaternary
11030030012311
5
Quinary
134243101042
6
Senary
12350242341
8
Octal
514140665
10
Decimal
87081397
12
Duodecimal
251b63b1
16
Hexadecimal
530c1b5
20
Vigesimal
174539h
36
Base36
1fugfp
md5
7c1c627d338f3868fbdc946de33b3ac9
sha1
d40a3a092416dee10333c93648dea544340f4076
sha256
80f8f30e425f805884300f7453dee4fcdc5a88e0e433be61f130f1fa77e3dc67
sha512
07559d920e57f53fc22304d9f852f27e969007fed98fc8735987e715d96986e0fd08409c12f3201d2337887492cff34b0aa4b413827ddd7ca8502a3d3d78587a
ripemd-160
9e21fd69570fd7a17500bfcd119d7b938e3ab562
Diameter
174162794
Circumference
547148554.15907
Area
2.3823230231351E+16
Volume
2.7660802261316E+24
Surface area
9.5292920925404E+16
Circumference
547148554.15907
Perimeter
348325588
Area
7583169703471609
Diagonal
123151692.6678
Surface area
45499018220829654
Volume
6.6035301146638E+23
Space diagonal
150829403.99808
Perimeter
261244191
Area
3.2836088022075E+15
Altitude
75414701.999038
Surface area
3.2836088022075E+15
Volume
7.7823348730806E+22
Height
41050564.222599