87490640 is an even 8-digits composite number following 87490639
and preceding 87490641 . In scientific notation, it is written as 8.7490640 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 34996224 positive integers (up to 87490640) that are relatively prime to 87490640.
87490640 has 20 divisors, whose sum is 203415924
The reverse of 87490640 is 04609478
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million four hundred ninety thousand six hundred forty
Scientific notation
8.7490640 × 10^7
Engineering notation
8.7490640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1093633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10936330
Product of the distinct prime numbers
The prime factorization of 87490640 is 2 × 2 × 2 × 2 × 5 × 1093633.
Since it has a total of 6 prime factors.
2 , 8 , 41 , 18 , 342 , 754 , 1125 , 6010 , 96410 , 95981 , 272009 , 629548 , 1620067 , 2008504 , 73946694 , 81853614 , 329796474 , 520559258 , 4405588136 , 2016730002
n×2
174981280
n×3
262471920
n×4
349962560
n×5
437453200
n÷2
43745320
n÷3
29163546.666667
n÷3
21872660
n÷5
17498128
n2
7654612087609600
n3
6.697069104967E+23
n4
5.8593086211779E+31
n5
5.1263466122437E+39
2 √n
9353.6431405095
3 √n
443.9361702469
4 √n
96.714234425494
5 √n
38.760763107141
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1093633 , 2187266 , 4374532 , 5468165 , 8749064 , 10936330 , 17498128 , 21872660 , 43745320 , 87490640
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87490639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87490640 can be divided by 20 positive divisors.
The sum of these divisors (counting 87490640) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001101110000000001010000
3
Ternary
20002121222121002
4
Quaternary
11031300001100
5
Quinary
134344200030
6
Senary
12403121132
8
Octal
515600120
10
Decimal
87490640
12
Duodecimal
253731a8
16
Hexadecimal
5370050
20
Vigesimal
176g6c0
36
Base36
1g387k
md5
0c93ee99c4c6afdfa0d0e2a00065eec6
sha1
50ab5674fefecdc42d94e37ea4106061a8e9f963
sha256
1c0b31d8ee6a9a03c7e613f20b0d4fd7926588d515866638de7d99040510cea7
sha512
2806319378ec1514e3f2fb5e4b22d971354fe002286cc39ea7116e440510729d226e5608942c895854d936c7c18f5410f35141bb070e020f8113a630457b5674
ripemd-160
2deec9a1f3f540114d213bbbb83e7db517de56ef
Diameter
174981280
Circumference
549719903.76374
Area
2.4047673100514E+16
Volume
2.8052617467663E+24
Surface area
9.6190692402056E+16
Circumference
549719903.76374
Perimeter
349962560
Area
7654612087609600
Diagonal
123730449.6687
Surface area
45927672525657600
Volume
6.697069104967E+23
Space diagonal
151538233.66672
Perimeter
262471920
Area
3.3145442619927E+15
Altitude
75769116.833359
Surface area
3.3145442619927E+15
Volume
7.8925716303285E+22
Height
41243483.222901