87125087 is an odd 8-digits composite number following 87125086
and preceding 87125088 . In scientific notation, it is written as 8.7125087 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 20 positive divisors.
There are 73841040 positive integers (up to 87125087) that are relatively prime to 87125087.
87125087 has 20 divisors, whose sum is 102785496
The reverse of 87125087 is 78052178
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million one hundred twenty-five thousand eighty-seven
Scientific notation
8.7125087 × 10^7
Engineering notation
8.7125087 × 10^6
Prime Factorization
49 × 7 × 7 × 131 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12446441
Product of the distinct prime numbers
The prime factorization of 87125087 is 49 × 7 × 7 × 131 × 277.
Since it has a total of 5 prime factors.
2 , 3 , 9 , 11 , 328 , 367 , 3268 , 8513 , 81800 , 4666 , 184222 , 372560 , 90057 , 1524417 , 62392930 , 26318043 , 196124864 , 452053564 , 6118694179 , 430247907
n×2
174250174
n×3
261375261
n×4
348500348
n×5
435625435
n÷2
43562543.5
n÷3
29041695.666667
n÷3
21781271.75
n÷5
17425017.4
n2
7590780784757569
n3
6.6134743626993E+23
n4
5.7619952922245E+31
n5
5.0201434112865E+39
2 √n
9334.0820116389
3 √n
443.31702309955
4 √n
96.613053008581
5 √n
38.728318828974
1 , 7 , 49 , 131 , 277 , 343 , 917 , 1939 , 2401 , 6419 , 13573 , 36287 , 44933 , 95011 , 254009 , 314531 , 665077 , 1778063 , 12446441 , 87125087
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
-87125086
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 87125087 can be divided by 20 positive divisors.
The sum of these divisors (counting 87125087) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001100010110110001011111
3
Ternary
20001221102011002
4
Quaternary
11030112301133
5
Quinary
134301000322
6
Senary
12351220515
8
Octal
514266137
10
Decimal
87125087
12
Duodecimal
2521773b
16
Hexadecimal
5316c5f
20
Vigesimal
174ace7
36
Base36
1fve5b
md5
86134b2073c88db1f315617c4caf3098
sha1
d51e92e62a91a82616d8a3219b4d4c9769f72e9c
sha256
8732b9681fcfe5da46bf448ec0727776e4970d9a1c726c457243b4cc22f9a5fa
sha512
16e1fbad179c50af531583759d07e4758df6ef8b6452eb271f6459dedf98e32068e468d3734cd4fde35afc3124a06241eff8cf9befef1098480abd9c84723959
ripemd-160
d1c7203ccb89c4e35789a1150ef176da4f95072b
Diameter
174250174
Circumference
547423066.52514
Area
2.3847141148405E+16
Volume
2.7702456630081E+24
Surface area
9.538856459362E+16
Circumference
547423066.52514
Perimeter
348500348
Area
7590780784757569
Diagonal
123213479.65834
Surface area
45544684708545414
Volume
6.6134743626993E+23
Space diagonal
150905077.29786
Perimeter
261375261
Area
3.2869044970794E+15
Altitude
75452538.648929
Surface area
3.2869044970794E+15
Volume
7.7940542817801E+22
Height
41071159.886112