87681694 is an even 8-digits composite number following 87681693
and preceding 87681695 . In scientific notation, it is written as 8.7681694 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 40912344 positive integers (up to 87681694) that are relatively prime to 87681694.
87681694 has 16 divisors, whose sum is 140515200
The reverse of 87681694 is 49618678
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-seven million six hundred eighty-one thousand six hundred ninety-four
Scientific notation
8.7681694 × 10^7
Engineering notation
8.7681694 × 10^6
Prime Factorization
2 × 19 × 67 × 34439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87681694
Product of the distinct prime numbers
The prime factorization of 87681694 is 2 × 19 × 67 × 34439.
Since it has a total of 4 prime factors.
5 , 10 , 12 , 8 , 165 , 906 , 8399 , 6392 , 8417 , 83460 , 904123 , 401384 , 7613476 , 6534279 , 4707564 , 48556592 , 442143143 , 460748234 , 5139405097 , 2494292450
n×2
175363388
n×3
263045082
n×4
350726776
n×5
438408470
n÷2
43840847
n÷3
29227231.333333
n÷3
21920423.5
n÷5
17536338.8
n2
7688079462709636
n3
6.7410383089699E+23
n4
5.9106565824938E+31
n5
5.182563818053E+39
2 √n
9363.8503832558
3 √n
444.25907762011
4 √n
96.766990152923
5 √n
38.777676776548
1 , 2 , 19 , 38 , 67 , 134 , 1273 , 2546 , 34439 , 68878 , 654341 , 1308682 , 2307413 , 4614826 , 43840847 , 87681694
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87681693
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87681694 can be divided by 16 positive divisors.
The sum of these divisors (counting 87681694) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001110011110101010011110
3
Ternary
20002222200200011
4
Quaternary
11032132222132
5
Quinary
134421303234
6
Senary
12411153434
8
Octal
516365236
10
Decimal
87681694
12
Duodecimal
2544587a
16
Hexadecimal
539ea9e
20
Vigesimal
178044e
36
Base36
1g7bmm
md5
727a4d265fa5b556c8d50f505b415d3f
sha1
fbb44c45e9efe26f511e6c2c17f5d640250e0474
sha256
38efaf8db70ac9b55ac73dfb23c08cae2349c268f3acbe619723b37d5a29a93b
sha512
6cd88f2445fdbf75dd5f6195ac20ff021e88b314aa4d511ef199a82dad5e483065883a2703c6c1c6bc823b6af715dfa823e7ae663a12e29bc3591d0b5a1d89c8
ripemd-160
ad1498b2769f4636bf02ace28bd42fe75999e449
Diameter
175363388
Circumference
550920331.44942
Area
2.4152813960263E+16
Volume
2.8236795238703E+24
Surface area
9.6611255841053E+16
Circumference
550920331.44942
Perimeter
350726776
Area
7688079462709636
Diagonal
124000640.82665
Surface area
46128476776257816
Volume
6.7410383089699E+23
Space diagonal
151869148.90171
Perimeter
263045082
Area
3.32903606051E+15
Altitude
75934574.450854
Surface area
3.32903606051E+15
Volume
7.9443898341849E+22
Height
41333546.942216