87438904 is an even 8-digits composite number following 87438903
and preceding 87438905 . In scientific notation, it is written as 8.7438904 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 37085184 positive integers (up to 87438904) that are relatively prime to 87438904.
87438904 has 32 divisors, whose sum is 189312480
The reverse of 87438904 is 40983478
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million four hundred thirty-eight thousand nine hundred four
Scientific notation
8.7438904 × 10^7
Engineering notation
8.7438904 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 97 × 16097
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21859726
Product of the distinct prime numbers
The prime factorization of 87438904 is 2 × 2 × 2 × 7 × 97 × 16097.
Since it has a total of 6 prime factors.
6 , 1 , 18 , 65 , 173 , 362 , 1011 , 6066 , 73999 , 44177 , 324796 , 780776 , 2064736 , 4228558 , 62353035 , 20164129 , 144315086 , 756724471 , 3885023355 , 1717338383
n×2
174877808
n×3
262316712
n×4
349755616
n×5
437194520
n÷2
43719452
n÷3
29146301.333333
n÷3
21859726
n÷5
17487780.8
n2
7645561932721216
n3
6.6851955586126E+23
n4
5.8454617267076E+31
n5
5.1112076675726E+39
2 √n
9350.8771781047
3 √n
443.84864846428
4 √n
96.69993370269
5 √n
38.756177927894
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 97 , 194 , 388 , 679 , 776 , 1358 , 2716 , 5432 , 16097 , 32194 , 64388 , 112679 , 128776 , 225358 , 450716 , 901432 , 1561409 , 3122818 , 6245636 , 10929863 , 12491272 , 21859726 , 43719452 , 87438904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87438903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87438904 can be divided by 32 positive divisors.
The sum of these divisors (counting 87438904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001101100011011000111000
3
Ternary
20002112100121221
4
Quaternary
11031203120320
5
Quinary
134341021104
6
Senary
12402041424
8
Octal
515433070
10
Decimal
87438904
12
Duodecimal
25349274
16
Hexadecimal
5363638
20
Vigesimal
1769h54
36
Base36
1g24ag
md5
0c6ca1d2c1b812c02164b47c2a8f3f5a
sha1
6bd6558ac61f30b1d80223dc4acdf80ca70ee7b7
sha256
b28903b7fbf09aae2771441f119dfa14e007114ef52a0eaff32053faa0b41fa2
sha512
c60ae8b58d0b385b254c83adc93744d46b530e2da01cc98ee2ea0e00be9de5f22facd36de650fbb37e35b49c795469e9237e724775c8a63ccde728228c86d090
ripemd-160
a80a4e4a51f6327928aea95d4d2560fb3ebd974f
Diameter
174877808
Circumference
549394836.88869
Area
2.4019241200403E+16
Volume
2.8002881672998E+24
Surface area
9.6076964801611E+16
Circumference
549394836.88869
Perimeter
349755616
Area
7645561932721216
Diagonal
123657283.91584
Surface area
45873371596327296
Volume
6.6851955586126E+23
Space diagonal
151448624.28614
Perimeter
262316712
Area
3.3106254299719E+15
Altitude
75724312.143069
Surface area
3.3106254299719E+15
Volume
7.8785785217553E+22
Height
41219094.638613