687777421 is an odd 9-digits composite number following 687777420
and preceding 687777422 . In scientific notation, it is written as 6.87777421 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 682829244 positive integers (up to 687777421) that are relatively prime to 687777421.
687777421 has 4 divisors, whose sum is 692725600
The reverse of 687777421 is 124777786
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-seven million seven hundred seventy-seven thousand four hundred twenty-one
Scientific notation
6.87777421 × 10^8
Engineering notation
6.87777421 × 10^6
Prime Factorization
139 × 4948039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
687777421
Product of the distinct prime numbers
The prime factorization of 687777421 is 139 × 4948039.
Since it has a total of 2 prime factors.
3 , 5 , 24 , 79 , 391 , 588 , 1675 , 9631 , 11911 , 90005 , 50741 , 618177 , 1477585 , 137173 , 89440715 , 39315910 , 757621549 , 991015345 , 6109640324 , 8992238653
n×2
1375554842
n×3
2063332263
n×4
2751109684
n×5
3438887105
n÷2
343888710.5
n÷3
229259140.33333
n÷3
171944355.25
n÷5
137555484.2
n2
473037780837411241
n3
3.2534470493992E+26
n4
2.2376474209958E+35
n5
1.5390033723198E+44
2 √n
26225.510881582
3 √n
882.70578214179
4 √n
161.94292476543
5 √n
58.544969334877
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-687777420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 687777421 can be divided by 4 positive divisors.
The sum of these divisors (counting 687777421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000111111101010011010001101
3
Ternary
1202221011201020211
4
Quaternary
220333222122031
5
Quinary
2402032334141
6
Senary
152125242421
8
Octal
5077523215
10
Decimal
687777421
12
Duodecimal
172403411
16
Hexadecimal
28fea68d
20
Vigesimal
aeic3b1
36
Base36
bdhggd
md5
95fe62c3fe6a0f5c05ce8a630df8325d
sha1
edaae75be242858c690c79791d3cb80d09f4b73c
sha256
94ac8ed2da815194ada4853323b55bf591d0b25656e058cd8b676b0fa28329ef
sha512
5997586827915f247581d3ffc7e6a5efe39f403f9107f7f8024aacc4b5ae99bacb5ed0b1a263ed5171bb49a12ab291216390cb03125595dd17a383c306b04a7a
ripemd-160
58b5b272ab6b1fb84eef15fd96136323c912f981
Diameter
1375554842
Circumference
4321432986.2371
Area
1.4860920171492E+18
Volume
1.3628007132314E+27
Surface area
5.9443680685969E+18
Circumference
4321432986.2371
Perimeter
2751109684
Area
473037780837411241
Diagonal
972664156.67219
Surface area
2838226685024467446
Volume
3.2534470493992E+26
Space diagonal
1191265437.4707
Perimeter
2063332263
Area
2.0483136757751E+17
Altitude
595632718.73534
Surface area
2.0483136757751E+17
Volume
3.8342241181025E+25
Height
324221385.5574