685890457 is an odd 9-digits composite number following 685890456
and preceding 685890458 . In scientific notation, it is written as 6.85890457 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 573775488 positive integers (up to 685890457) that are relatively prime to 685890457.
685890457 has 16 divisors, whose sum is 802933120
The reverse of 685890457 is 754098586
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred eighty-five million eight hundred ninety thousand four hundred fifty-seven
Scientific notation
6.85890457 × 10^8
Engineering notation
6.85890457 × 10^6
Prime Factorization
7 × 109 × 67 × 13417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
685890457
Product of the distinct prime numbers
The prime factorization of 685890457 is 7 × 109 × 67 × 13417.
Since it has a total of 4 prime factors.
9 , 7 , 73 , 28 , 277 , 287 , 716 , 4798 , 29889 , 80809 , 669055 , 958008 , 2561883 , 1489521 , 62006496 , 76124527 , 279708677 , 680491173 , 6415417558 , 7879496004
n×2
1371780914
n×3
2057671371
n×4
2743561828
n×5
3429452285
n÷2
342945228.5
n÷3
228630152.33333
n÷3
171472614.25
n÷5
137178091.4
n2
470445719003668849
n3
3.2267422920112E+26
n4
2.2131917452888E+35
n5
1.5180070976048E+44
2 √n
26189.510438342
3 √n
881.8977883691
4 √n
161.83173495437
5 √n
58.512809603738
1 , 7 , 67 , 109 , 469 , 763 , 7303 , 13417 , 51121 , 93919 , 898939 , 1462453 , 6292573 , 10237171 , 97984351 , 685890457
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
-685890456
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 685890457 can be divided by 16 positive divisors.
The sum of these divisors (counting 685890457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111000011101101110011001
3
Ternary
1202210121211211021
4
Quaternary
220320131232121
5
Quinary
2401041443312
6
Senary
152021002441
8
Octal
5070355631
10
Decimal
685890457
12
Duodecimal
171853421
16
Hexadecimal
28e1db99
20
Vigesimal
ae6g62h
36
Base36
bcd0gp
md5
5992e4c89f801b007a5e6ffeceb68b26
sha1
327f0eb91cc59af103145ef276858a1021784ca4
sha256
559e90d4c0939b2299a16a841daa03b1fef3ffa791922ed3d3b045bad37d35e8
sha512
0af1dcb9004373c5464b6af49e9450d632489b3848f39583a5933ffc9461c5ebee0358ea705a73fdc6a11f820ee7d06fe49e2acddd06bdbce64cfa25c65fb781
ripemd-160
5d75b6aef218ce7a67c160d8d5327bae867a493a
Diameter
1371780914
Circumference
4309576841.7571
Area
1.4779488147347E+18
Volume
1.3516146506147E+27
Surface area
5.9117952589388E+18
Circumference
4309576841.7571
Perimeter
2743561828
Area
470445719003668849
Diagonal
969995586.59168
Surface area
2822674314022013094
Volume
3.2267422920112E+26
Space diagonal
1187997119.9506
Perimeter
2057671371
Area
2.0370897187941E+17
Altitude
593998559.97532
Surface area
2.0370897187941E+17
Volume
3.8027522597042E+25
Height
323331862.19723