87129008 is an even 8-digits composite number following 87129007
and preceding 87129009 . In scientific notation, it is written as 8.7129008 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 42551040 positive integers (up to 87129008) that are relatively prime to 87129008.
87129008 has 20 divisors, whose sum is 172739688
The reverse of 87129008 is 80092178
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-seven million one hundred twenty-nine thousand eight
Scientific notation
8.7129008 × 10^7
Engineering notation
8.7129008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 43 × 126641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10891126
Product of the distinct prime numbers
The prime factorization of 87129008 is 2 × 2 × 2 × 2 × 43 × 126641.
Since it has a total of 6 prime factors.
6 , 2 , 82 , 98 , 279 , 145 , 931 , 9737 , 59052 , 75059 , 297615 , 302494 , 3022052 , 2003495 , 37122734 , 51810073 , 686083904 , 11215716 , 2494587082 , 9170696530
n×2
174258016
n×3
261387024
n×4
348516032
n×5
435645040
n÷2
43564504
n÷3
29043002.666667
n÷3
21782252
n÷5
17425801.6
n2
7591464035064064
n3
6.6143673064281E+23
n4
5.7630326195671E+31
n5
5.0212731521452E+39
2 √n
9334.292045999
3 √n
443.32367338453
4 √n
96.614139989957
5 √n
38.728667410559
1 , 2 , 4 , 8 , 16 , 43 , 86 , 172 , 344 , 688 , 126641 , 253282 , 506564 , 1013128 , 2026256 , 5445563 , 10891126 , 21782252 , 43564504 , 87129008
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
-87129007
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 87129008 can be divided by 20 positive divisors.
The sum of these divisors (counting 87129008) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001100010111101110110000
3
Ternary
20001221121112022
4
Quaternary
11030113232300
5
Quinary
134301112013
6
Senary
12351251012
8
Octal
514275660
10
Decimal
87129008
12
Duodecimal
25219a68
16
Hexadecimal
5317bb0
20
Vigesimal
174b2a8
36
Base36
1fvh68
md5
acab640bef94a57aed84738298d020b6
sha1
d8128b946f96203ffcc07db2607f221f69ffa436
sha256
c1597062ab7503587a6d46434158ef60b9e722b7eac1c884782095fc112295bd
sha512
7277d8d25ca5a0708775042a792bc98fb4bb1aed8f5ccf4bdb914993b172c8ff1f5a5fd04064ed6409f2bdd9784fb665f007aff784c1a9f5aae5f1490443f677
ripemd-160
eb02fc940720c642f2f21aab02720cb799da0093
Diameter
174258016
Circumference
547447702.89473
Area
2.3849287642548E+16
Volume
2.7706196984025E+24
Surface area
9.5397150570194E+16
Circumference
547447702.89473
Perimeter
348516032
Area
7591464035064064
Diagonal
123219024.78971
Surface area
45548784210384384
Volume
6.6143673064281E+23
Space diagonal
150911868.66908
Perimeter
261387024
Area
3.2872003531407E+15
Altitude
75455934.334538
Surface area
3.2872003531407E+15
Volume
7.7951066260565E+22
Height
41073008.263238