685220493 is an odd 9-digits composite number following 685220492
and preceding 685220494 . In scientific notation, it is written as 6.85220493 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 456310400 positive integers (up to 685220493) that are relatively prime to 685220493.
685220493 has 8 divisors, whose sum is 914633856
The reverse of 685220493 is 394022586
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred eighty-five million two hundred twenty thousand four hundred ninety-three
Scientific notation
6.85220493 × 10^8
Engineering notation
6.85220493 × 10^6
Prime Factorization
3 × 911 × 250721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685220493
Product of the distinct prime numbers
The prime factorization of 685220493 is 3 × 911 × 250721.
Since it has a total of 3 prime factors.
1 , 8 , 72 , 67 , 900 , 21 , 1749 , 2795 , 37166 , 20129 , 728692 , 430916 , 8442919 , 9779818 , 67152271 , 89949220 , 446590031 , 964614871 , 1911251395 , 985421761
n×2
1370440986
n×3
2055661479
n×4
2740881972
n×5
3426102465
n÷2
342610246.5
n÷3
228406831
n÷3
171305123.25
n÷5
137044098.6
n2
469527124027163049
n3
3.2172960740276E+26
n4
2.2045572019722E+35
n5
1.5106077727821E+44
2 √n
26176.716619928
3 √n
881.61055482144
4 √n
161.79220197503
5 √n
58.5013743079
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
-685220492
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 685220493 can be divided by 8 positive divisors.
The sum of these divisors (counting 685220493) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110101111010001010001101
3
Ternary
1202202100210210210
4
Quaternary
220311322022031
5
Quinary
2400404023433
6
Senary
151554353033
8
Octal
5065721215
10
Decimal
685220493
12
Duodecimal
17158b779
16
Hexadecimal
28d7a28d
20
Vigesimal
ae2cb4d
36
Base36
bbynil
md5
0854f666da40b1ddc07c4086ccc9a66d
sha1
a370d66e299dd5904e9a5127f7d915f5826fa069
sha256
a8487325ce25ee65ed8f58116c1d9665985f51028422d8c4f83be1c646ef0758
sha512
25a0725c155aebba1fcf280830b309c64dcfefd3d6759286dc78a01feb1379f69d0cd9d6c32e3a80c16c2b5e0dd433302d81386aa3089805e5ab7798e94be950
ripemd-160
a2ea6c0aff530df50994e74a1fecc8829293651e
Diameter
1370440986
Circumference
4305367333.796
Area
1.4750629635049E+18
Volume
1.3476578280785E+27
Surface area
5.9002518540195E+18
Circumference
4305367333.796
Perimeter
2740881972
Area
469527124027163049
Diagonal
969048114.41658
Surface area
2817162744162978294
Volume
3.2172960740276E+26
Space diagonal
1186836708.2634
Perimeter
2055661479
Area
2.0331120858669E+17
Altitude
593418354.1317
Surface area
2.0331120858669E+17
Volume
3.7916197850497E+25
Height
323016038.13886