87490987 is an odd 8-digits prime number following 87490986
and preceding 87490988 . In scientific notation, it is written as 8.7490987 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 87490986 positive integers (up to 87490987) that are relatively prime to 87490987.
87490987 has 2 divisors, whose sum is 87490988
The reverse of 87490987 is 78909478
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-seven million four hundred ninety thousand nine hundred eighty-seven
Scientific notation
8.7490987 × 10^7
Engineering notation
8.7490987 × 10^6
Prime Factorization
87490987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87490987
Product of the distinct prime numbers
The prime factorization of 87490987 is 87490987.
Since it has a total of 1 prime factors.
3 , 5 , 41 , 29 , 483 , 262 , 8636 , 3269 , 99843 , 83306 , 278257 , 669499 , 945021 , 8176093 , 92446811 , 5454318 , 648662019 , 934765513 , 4928193216 , 4866702343
n×2
174981974
n×3
262472961
n×4
349963948
n×5
437454935
n÷2
43745493.5
n÷3
29163662.333333
n÷3
21872746.75
n÷5
17498197.4
n2
7654672806234169
n3
6.6971487897949E+23
n4
5.8594015770501E+31
n5
5.1264482720547E+39
2 √n
9353.6616894134
3 √n
443.93675715024
4 √n
96.714330320865
5 √n
38.760793853203
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87490988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43745494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9353.6617428684
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999771405
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87490987 can be divided by 2 positive divisors.
The sum of these divisors (counting 87490987) is 87490988, the average is 43745494.
Base
System
Value
2
Binary
101001101110000000110101011
3
Ternary
20002122000001221
4
Quaternary
11031300012223
5
Quinary
134344202422
6
Senary
12403122511
8
Octal
515600653
10
Decimal
87490987
12
Duodecimal
25373437
16
Hexadecimal
53701ab
20
Vigesimal
176g797
36
Base36
1g38h7
md5
fc7d94796f7901e802ac0493418f6db6
sha1
9bf28e5512ce6514bddee5075d50af119d8726c3
sha256
d0e782df58b979102358f7d9c3967a491bfe2642d5c1c68e0186b81c35d0fa73
sha512
aa5734caf076aa36b198d42d65dc68a89c3757143c97fbe6a24cefa6f3e7901ab11e73bab53f9a959abcd1f7dee5999f7901e094cebef95392701feac2ac94f4
ripemd-160
cb33cc805da45840f7e08afd25992dc2b49876e3
Diameter
174981974
Circumference
549722084.02904
Area
2.4047863853699E+16
Volume
2.805295125069E+24
Surface area
9.6191455414795E+16
Circumference
549722084.02904
Perimeter
349963948
Area
7654672806234169
Diagonal
123730940.40081
Surface area
45928036837405014
Volume
6.6971487897949E+23
Space diagonal
151538834.68835
Perimeter
262472961
Area
3.3145705539284E+15
Altitude
75769417.344174
Surface area
3.3145705539284E+15
Volume
7.8926655397987E+22
Height
41243646.800269