86787988 is an even 8-digits composite number following 86787987
and preceding 86787989 . In scientific notation, it is written as 8.6787988 × 10^7.
The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors.
There are 37194840 positive integers (up to 86787988) that are relatively prime to 86787988.
86787988 has 12 divisors, whose sum is 173576032
The reverse of 86787988 is 88978768
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
eighty-six million seven hundred eighty-seven thousand nine hundred eighty-eight
Scientific notation
8.6787988 × 10^7
Engineering notation
8.6787988 × 10^6
Prime Factorization
2 × 2 × 7 × 3099571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43393994
Product of the distinct prime numbers
The prime factorization of 86787988 is 2 × 2 × 7 × 3099571.
Since it has a total of 4 prime factors.
7 , 10 , 37 , 100 , 876 , 419 , 7328 , 8491 , 56065 , 82366 , 926986 , 34233 , 4275119 , 6267853 , 88391884 , 42236116 , 604496953 , 838459590 , 3480743184 , 5217301515
n×2
173575976
n×3
260363964
n×4
347151952
n×5
433939940
n÷2
43393994
n÷3
28929329.333333
n÷3
21696997
n÷5
17357597.6
n2
7532154861088144
n3
6.5370056569826E+23
n4
5.6733356851414E+31
n5
4.9237738936202E+39
2 √n
9316.007084583
3 √n
442.74453250937
4 √n
96.519464796397
5 √n
38.698303295902
1 , 2 , 4 , 7 , 14 , 28 , 3099571 , 6199142 , 12398284 , 21696997 , 43393994 , 86787988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86787987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86787988 can be divided by 12 positive divisors.
The sum of these divisors (counting 86787988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001011000100011110010100
3
Ternary
20001022021201221
4
Quaternary
11023010132110
5
Quinary
134204203423
6
Senary
12340100124
8
Octal
513043624
10
Decimal
86787988
12
Duodecimal
25094644
16
Hexadecimal
52c4794
20
Vigesimal
17289j8
36
Base36
1fo61g
md5
0b1d07e24cac7e47925dff76d892d67a
sha1
121fea44c65ae07c8b80ceb6425ad28988e605a6
sha256
61b745542fa8994325ff68289ab609935dcb599a8758b8410d532a281e636d17
sha512
5a7b467c2651a3a5716f0ec52604b4da4b76e2d9abd63e2c36a715ca8dd2abea70a3192d7b4a2ed862a958e1d843c8756c452a882d1dd071142af370ca448b72
ripemd-160
4db8bf210db390088993c9d05a63d6ddd141d181
Diameter
173575976
Circumference
545305011.04128
Area
2.3662962377295E+16
Volume
2.7382145264602E+24
Surface area
9.4651849509181E+16
Circumference
545305011.04128
Perimeter
347151952
Area
7532154861088144
Diagonal
122736749.68067
Surface area
45192929166528864
Volume
6.5370056569826E+23
Space diagonal
150321204.70268
Perimeter
260363964
Area
3.2615187274704E+15
Altitude
75160602.351339
Surface area
3.2615187274704E+15
Volume
7.7039350478454E+22
Height
40912249.893558