87989717 is an odd 8-digits composite number following 87989716
and preceding 87989718 . In scientific notation, it is written as 8.7989717 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 87959916 positive integers (up to 87989717) that are relatively prime to 87989717.
87989717 has 4 divisors, whose sum is 88019520
The reverse of 87989717 is 71798978
Previous prime number is 3323
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighty-seven million nine hundred eighty-nine thousand seven hundred seventeen
Scientific notation
8.7989717 × 10^7
Engineering notation
8.7989717 × 10^6
Prime Factorization
3323 × 26479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87989717
Product of the distinct prime numbers
The prime factorization of 87989717 is 3323 × 26479.
Since it has a total of 2 prime factors.
7 , 5 , 49 , 38 , 239 , 771 , 4313 , 660 , 24881 , 40295 , 130157 , 97123 , 1934381 , 2783391 , 8223250 , 33731975 , 905721778 , 225447919 , 7554310780 , 3287077458
n×2
175979434
n×3
263969151
n×4
351958868
n×5
439948585
n÷2
43994858.5
n÷3
29329905.666667
n÷3
21997429.25
n÷5
17597943.4
n2
7742190297740089
n3
6.812331332583E+23
n4
5.9941510606421E+31
n5
5.2742365548115E+39
2 √n
9380.2834178931
3 √n
444.77869229712
4 √n
96.851863264953
5 √n
38.804883521624
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
-87989716
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 87989717 can be divided by 4 positive divisors.
The sum of these divisors (counting 87989717) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111101001110111010101
3
Ternary
20010120100012102
4
Quaternary
11033221313111
5
Quinary
140011132332
6
Senary
12421531445
8
Octal
517516725
10
Decimal
87989717
12
Duodecimal
25573b85
16
Hexadecimal
53e9dd5
20
Vigesimal
179ie5h
36
Base36
1gdxat
md5
4ddea9a919202826fc7a589351c0afb8
sha1
f8df299f257a34fc7c41014ec24e86d5f02ff445
sha256
d1233b63ebd81edf362f8f2a6e2880e670f9f9e20643271c5173241a70e5dff4
sha512
c241d3d92963f02405d67b0b7251fe7ced0d9a5e33d345c92dec4477c59aafb4ba70668e77174f18ee99fc5c14a3533fa0c67c60f258fb540e5c82839907a88c
ripemd-160
b4455b2be3dc0e5991569e285ea6765d29f2c3bd
Diameter
175979434
Circumference
552855697.03729
Area
2.4322808162074E+16
Volume
2.8535426757683E+24
Surface area
9.7291232648298E+16
Circumference
552855697.03729
Perimeter
351958868
Area
7742190297740089
Diagonal
124436251.13077
Surface area
46453141786440534
Volume
6.812331332583E+23
Space diagonal
152402660.38761
Perimeter
263969151
Area
3.3524667393882E+15
Altitude
76201330.193803
Surface area
3.3524667393882E+15
Volume
8.028409468265E+22
Height
41478750.376924