685087688 is an even 9-digits composite number following 685087687
and preceding 685087689 . In scientific notation, it is written as 6.85087688 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 16 positive divisors.
There are 342367696 positive integers (up to 685087688) that are relatively prime to 685087688.
685087688 has 16 divisors, whose sum is 1285200000
The reverse of 685087688 is 886780586
Previous prime number is 41999
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred eighty-five million eighty-seven thousand six hundred eighty-eight
Scientific notation
6.85087688 × 10^8
Engineering notation
6.85087688 × 10^6
Prime Factorization
2 × 2 × 2 × 41999 × 2039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
171271922
Product of the distinct prime numbers
The prime factorization of 685087688 is 2 × 2 × 2 × 41999 × 2039.
Since it has a total of 5 prime factors.
2 , 5 , 65 , 12 , 861 , 259 , 1491 , 7022 , 11648 , 40952 , 840915 , 853994 , 9975344 , 708200 , 58625856 , 44287923 , 815668243 , 801033572 , 2326215869 , 7090938199
n×2
1370175376
n×3
2055263064
n×4
2740350752
n×5
3425438440
n÷2
342543844
n÷3
228362562.66667
n÷3
171271922
n÷5
137017537.6
n2
469345140249185344
n3
3.2154257700735E+26
n4
2.2028486067553E+35
n5
1.509144459016E+44
2 √n
26174.179796127
3 √n
881.55359512463
4 √n
161.7843620259
5 √n
58.499106460549
1 , 2 , 4 , 8 , 2039 , 4078 , 8156 , 16312 , 41999 , 83998 , 167996 , 335992 , 85635961 , 171271922 , 342543844 , 685087688
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
-685087687
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 685087688 can be divided by 16 positive divisors.
The sum of these divisors (counting 685087688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110101011001101111001000
3
Ternary
1202202010001122002
4
Quaternary
220311121233020
5
Quinary
2400340301223
6
Senary
151551450132
8
Octal
5065315710
10
Decimal
685087688
12
Duodecimal
171526948
16
Hexadecimal
28d59bc8
20
Vigesimal
ae1fj48
36
Base36
bbvt1k
md5
9290275dc6018399f8d8b7ee33e3ddd5
sha1
a21b68f6a20e7acfbc2d568889d43d68a84c4469
sha256
94b733f7a49316b07c1150830de2d65e414b549c8dd646241244d01d514728cd
sha512
2ecd430a7ff79113fee108bea0534ceea440aaa236e0e1d28556d376d869c2b81f4fc6499628856ab731047fdc317ace1180542ccf80a4d29baeca0bb982b897
ripemd-160
79cce5f6c57f7e34198f9785ed1c190f0e03f074
Diameter
1370175376
Circumference
4304532895.3712
Area
1.4744912446049E+18
Volume
1.3468743969902E+27
Surface area
5.8979649784196E+18
Circumference
4304532895.3712
Perimeter
2740350752
Area
469345140249185344
Diagonal
968860299.78443
Surface area
2816070841495112064
Volume
3.2154257700735E+26
Space diagonal
1186606683.2559
Perimeter
2055263064
Area
2.0323240729928E+17
Altitude
593303341.62795
Surface area
2.0323240729928E+17
Volume
3.7894156107016E+25
Height
322953433.26148