685280990 is an even 9-digits composite number following 685280989
and preceding 685280991 . In scientific notation, it is written as 6.85280990 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 268940256 positive integers (up to 685280990) that are relatively prime to 685280990.
685280990 has 16 divisors, whose sum is 1256780448
The reverse of 685280990 is 099082586
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred eighty-five million two hundred eighty thousand nine hundred ninety
Scientific notation
6.85280990 × 10^8
Engineering notation
6.85280990 × 10^6
Prime Factorization
2 × 5 × 53 × 1292983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
685280990
Product of the distinct prime numbers
The prime factorization of 685280990 is 2 × 5 × 53 × 1292983.
Since it has a total of 4 prime factors.
5 , 7 , 24 , 41 , 470 , 91 , 6135 , 6693 , 82037 , 18360 , 566880 , 441010 , 5439125 , 2667699 , 85370157 , 93128578 , 769852611 , 302693610 , 2237786053 , 9375616455
n×2
1370561980
n×3
2055842970
n×4
2741123960
n×5
3426404950
n÷2
342640495
n÷3
228426996.66667
n÷3
171320247.5
n÷5
137056198
n2
469610035255380100
n3
3.2181482987374E+26
n4
2.2053358521256E+35
n5
1.5112747360271E+44
2 √n
26177.872144237
3 √n
881.63649937736
4 √n
161.79577294922
5 √n
58.502407269611
1 , 2 , 5 , 10 , 53 , 106 , 265 , 530 , 1292983 , 2585966 , 6464915 , 12929830 , 68528099 , 137056198 , 342640495 , 685280990
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
-685280989
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 685280990 can be divided by 16 positive divisors.
The sum of these divisors (counting 685280990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110110001000111011011110
3
Ternary
1202202110212210102
4
Quaternary
220312020323132
5
Quinary
2400412442430
6
Senary
151555541102
8
Octal
5066107336
10
Decimal
685280990
12
Duodecimal
1715ba792
16
Hexadecimal
28d88ede
20
Vigesimal
ae3029a
36
Base36
bbzy72
md5
7db8383bf97c5e22e5279e561b88160f
sha1
c46a6ea9d797798c7c8cf554300810712ea19010
sha256
e08250e1306a767bcf74144b0617215cafe086e7ad2dcf698437d54f7b052722
sha512
9172695a1db0eeacc3018c9d6e3ebdc9894ab958312c8ee1a21754b77fa1d182b4aa6e151c8cde3279ac2c7bb624a96922147f19b3bdb7c42d6f5551460b554b
ripemd-160
c163ffa6f3777b27e413af5a68cd8f41ab353a67
Diameter
1370561980
Circumference
4305747447.6575
Area
1.4753234368103E+18
Volume
1.3480148071301E+27
Surface area
5.9012937472414E+18
Circumference
4305747447.6575
Perimeter
2741123960
Area
469610035255380100
Diagonal
969133670.09446
Surface area
2817660211532280600
Volume
3.2181482987374E+26
Space diagonal
1186941492.1411
Perimeter
2055842970
Area
2.0334711020163E+17
Altitude
593470746.07055
Surface area
2.0334711020163E+17
Volume
3.792624141502E+25
Height
323044556.69815