687996869 is an odd 9-digits composite number following 687996868
and preceding 687996870 . In scientific notation, it is written as 6.87996869 × 10^8.
The sum of its digits is 68. It has a total of 3 prime factors and 8 positive divisors.
There are 578584656 positive integers (up to 687996869) that are relatively prime to 687996869.
687996869 has 8 divisors, whose sum is 801118080
The reverse of 687996869 is 968699786
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
six hundred eighty-seven million nine hundred ninety-six thousand eight hundred sixty-nine
Scientific notation
6.87996869 × 10^8
Engineering notation
6.87996869 × 10^6
Prime Factorization
7 × 53 × 1854439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
687996869
Product of the distinct prime numbers
The prime factorization of 687996869 is 7 × 53 × 1854439.
Since it has a total of 3 prime factors.
1 , 9 , 42 , 52 , 986 , 664 , 7145 , 6006 , 56469 , 11445 , 310726 , 189147 , 4975800 , 4451198 , 35718324 , 6160861 , 565921550 , 466016337 , 2637912477 , 5984168059
n×2
1375993738
n×3
2063990607
n×4
2751987476
n×5
3439984345
n÷2
343998434.5
n÷3
229332289.66667
n÷3
171999217.25
n÷5
137599373.8
n2
473339691753803161
n3
3.2565622590004E+26
n4
2.2405046378959E+35
n5
1.5414601758523E+44
2 √n
26229.694413012
3 √n
882.79965331492
4 √n
161.95584093515
5 √n
58.548704827393
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-687996868
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 687996869 can be divided by 8 positive divisors.
The sum of these divisors (counting 687996869) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001000000011111111111000101
3
Ternary
1202221120212021112
4
Quaternary
221000133333011
5
Quinary
2402111344434
6
Senary
152134054405
8
Octal
5100377705
10
Decimal
687996869
12
Duodecimal
1724aa405
16
Hexadecimal
2901ffc5
20
Vigesimal
aejjc39
36
Base36
bdm5s5
md5
8d35a73fb01146b150a36ca6fa7237d8
sha1
cb8e618b81da2ee0a74da604c2355456d93ac6c4
sha256
781ea33dbbb6509c06b71dcab50e03c12e959af176f2b750dc6b5957a5636ae0
sha512
d14aa7ae1097af908bad7b9a705815bc5e3cef7457205ac3679823ca8944f3db3adb7f6e6ba41031062413d76c8db943ff1a2e4674a5c7558e30045745841409
ripemd-160
11aa95bb3cc4b0e1e03b4185a4df08b48187d645
Diameter
1375993738
Circumference
4322811818.6864
Area
1.4870404982662E+18
Volume
1.3641056091778E+27
Surface area
5.9481619930648E+18
Circumference
4322811818.6864
Perimeter
2751987476
Area
473339691753803161
Diagonal
972974503.01003
Surface area
2840038150522818966
Volume
3.2565622590004E+26
Space diagonal
1191645532.5563
Perimeter
2063990607
Area
2.0496209883914E+17
Altitude
595822766.27815
Surface area
2.0496209883914E+17
Volume
3.8378954278256E+25
Height
324324834.33668