76686987 is an odd 8-digits composite number following 76686986
and preceding 76686988 . In scientific notation, it is written as 7.6686987 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 47112192 positive integers (up to 76686987) that are relatively prime to 76686987.
76686987 has 16 divisors, whose sum is 110300960
The reverse of 76686987 is 78968667
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
seventy-six million six hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
7.6686987 × 10^7
Engineering notation
7.6686987 × 10^6
Prime Factorization
3 × 13 × 769 × 2557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
76686987
Product of the distinct prime numbers
The prime factorization of 76686987 is 3 × 13 × 769 × 2557.
Since it has a total of 4 prime factors.
4 , 4 , 46 , 16 , 619 , 692 , 2755 , 4673 , 19880 , 71482 , 838712 , 831515 , 4175300 , 3159001 , 8290725 , 10991885 , 981218739 , 787280350 , 6343445702 , 6571596720
n×2
153373974
n×3
230060961
n×4
306747948
n×5
383434935
n÷2
38343493.5
n÷3
25562329
n÷3
19171746.75
n÷5
15337397.4
n2
5880893975138169
n3
4.509880398198E+23
n4
3.4584913946816E+31
n5
2.6522128462356E+39
2 √n
8757.1106536346
3 √n
424.8548283879
4 √n
93.579434993136
5 √n
37.752379929025
1 , 3 , 13 , 39 , 769 , 2307 , 2557 , 7671 , 9997 , 29991 , 33241 , 99723 , 1966333 , 5898999 , 25562329 , 76686987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-76686986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 76686987 can be divided by 16 positive divisors.
The sum of these divisors (counting 76686987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100100100100010011010001011
3
Ternary
12100022002202210
4
Quaternary
10210202122023
5
Quinary
124112440422
6
Senary
11335400203
8
Octal
444423213
10
Decimal
76686987
12
Duodecimal
21823063
16
Hexadecimal
492268b
20
Vigesimal
13j5h97
36
Base36
19no23
md5
bffe46160c7ab7fba0809617d7c3acf6
sha1
39979295627099a152590d8a4d8adc215f75b304
sha256
6ca5a7d69ed898e7cbd995037d7b161cc330d2d9af1c422d60c296bea2a52031
sha512
1df738db5597fd350c2f3d2949cdd9e817ee7a47d50a1252fdf279805944548958ef06d50cd45e44e580061ff9d654d939f3a3cd976f0b5ad31ce33fe169556f
ripemd-160
fd942143379e43824bc88cabc5f2beeb78befc50
Diameter
153373974
Circumference
481838549.97027
Area
1.8475373308835E+16
Volume
1.889094283673E+24
Surface area
7.3901493235338E+16
Circumference
481838549.97027
Perimeter
306747948
Area
5880893975138169
Diagonal
108451777.07293
Surface area
35285363850829014
Volume
4.509880398198E+23
Space diagonal
132825757.76337
Perimeter
230060961
Area
2.5465017897163E+15
Altitude
66412878.881687
Surface area
2.5465017897163E+15
Volume
5.3149450198435E+22
Height
36150592.357643