685220491 is an odd 9-digits composite number following 685220490
and preceding 685220492 . In scientific notation, it is written as 6.85220491 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 684996984 positive integers (up to 685220491) that are relatively prime to 685220491.
685220491 has 4 divisors, whose sum is 685444000
The reverse of 685220491 is 194022586
Previous prime number is 3109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred eighty-five million two hundred twenty thousand four hundred ninety-one
Scientific notation
6.85220491 × 10^8
Engineering notation
6.85220491 × 10^6
Prime Factorization
3109 × 220399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
685220491
Product of the distinct prime numbers
The prime factorization of 685220491 is 3109 × 220399.
Since it has a total of 2 prime factors.
6 , 9 , 72 , 10 , 393 , 598 , 5121 , 9243 , 20460 , 72752 , 741043 , 262368 , 6078792 , 4355710 , 71936687 , 31979724 , 807077929 , 683988450 , 5565465575 , 7035282863
n×2
1370440982
n×3
2055661473
n×4
2740881964
n×5
3426102455
n÷2
342610245.5
n÷3
228406830.33333
n÷3
171305122.75
n÷5
137044098.2
n2
469527121286281081
n3
3.217296045856E+26
n4
2.2045571762338E+35
n5
1.5106077507365E+44
2 √n
26176.716581726
3 √n
881.6105539637
4 √n
161.79220185697
5 √n
58.50137427375
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
-685220490
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 685220491 can be divided by 4 positive divisors.
The sum of these divisors (counting 685220491) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110101111010001010001011
3
Ternary
1202202100210210201
4
Quaternary
220311322022023
5
Quinary
2400404023431
6
Senary
151554353031
8
Octal
5065721213
10
Decimal
685220491
12
Duodecimal
17158b777
16
Hexadecimal
28d7a28b
20
Vigesimal
ae2cb4b
36
Base36
bbynij
md5
eddda0e088bc607f5f63c3f954173e80
sha1
b28dca3c4d054a76c1999b953d922b641dc1cf42
sha256
8457720a87807c3624f2ec378f92edc0f5b24bd48ea2f1610fb802e66c5db92d
sha512
a13c1ec01f68ae3d60f89767cfdc06c01ee5ed8c6d1f03e9a8ba22c17a854477a71f3c110d3b2aad2b3104ea2731e35641e0885095a68d63fcd4632d711460c2
ripemd-160
f2e67a1492dbca6af2aa969c357b337884809ac1
Diameter
1370440982
Circumference
4305367321.2296
Area
1.4750629548941E+18
Volume
1.347657816278E+27
Surface area
5.9002518195766E+18
Circumference
4305367321.2296
Perimeter
2740881964
Area
469527121286281081
Diagonal
969048111.58815
Surface area
2817162727717686486
Volume
3.217296045856E+26
Space diagonal
1186836704.7993
Perimeter
2055661473
Area
2.0331120739985E+17
Altitude
593418352.39965
Surface area
2.0331120739985E+17
Volume
3.7916197518491E+25
Height
323016037.19605