685409139 is an odd 9-digits composite number following 685409138
and preceding 685409140 . In scientific notation, it is written as 6.85409139 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 453651264 positive integers (up to 685409139) that are relatively prime to 685409139.
685409139 has 8 divisors, whose sum is 767046000
The reverse of 685409139 is 931904586
Previous prime number is 139
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
six hundred eighty-five million four hundred nine thousand one hundred thirty-nine
Scientific notation
6.85409139 × 10^8
Engineering notation
6.85409139 × 10^6
Prime Factorization
9 × 139 × 547889
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
685409139 Product of the distinct prime numbers
The prime factorization of 685409139 is 9 × 139 × 547889.
Since it has a total of 3 prime factors.
9 , 8 , 17 , 99 , 413 , 730 , 8608 , 6546 , 5611 , 72733 , 234250 , 12220 , 7126365 , 8789573 , 78993754 , 20997766 , 147502384 , 204934552 , 2725068484 , 1562531486
n×2
1370818278
n×3
2056227417
n×4
2741636556
n×5
3427045695
n÷2
342704569.5
n÷3
228469713
n÷3
171352284.75
n÷5
137081827.8
n2
469785687824721321
n3
3.2199540380647E+26
n4
2.2069859248495E+35
n5
1.5126883225362E+44
2 √n26180.319688652
3 √n881.69145191779
4 √n161.80333645711
5 √n58.504595120836
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
-685409138 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 685409139 can be divided by 8 positive divisors.
The sum of these divisors (counting 685409139) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110101000001101110011
3
Ternary
1202202201101120200
4
Quaternary
220312220031303
5
Quinary
2400431043024
6
Senary
152002410243
8
Octal
5066501563
10
Decimal
685409139
12
Duodecimal
171660983
16
Hexadecimal
28da8373
20
Vigesimal
ae3g2gj
36
Base36
bc2p2r
md5
1c338d9966bf573baa45d63342040e08
sha1
4940a774f1731d7fed11a058b9469131638bc9e6
sha256
584a2c1b22ef790ed546711132bd3d53ffbe66cb9ff8e721265823b04d7e85f5
sha512
2682459c98e5cf183d3e7a2a3ed88a1562dee11fcaf61c5dcc38eb7e5893d3c520020f10d0fa616c1d175158cb6ce3fe6c1be4217138387331e735dbb2de7ba3
ripemd-160
2140388dd1823024177e4fcfd50f766ebb61005b
Diameter
1370818278
Circumference
4306552631.5714
Area
1.4758752656318E+18
Volume
1.3487711934508E+27
Surface area
5.9035010625271E+18
Circumference
4306552631.5714
Perimeter
2741636556
Area
469785687824721321
Diagonal
969314900.14827
Surface area
2818714126948327926
Volume
3.2199540380647E+26
Space diagonal
1187163452.72
Perimeter
2056227417
Area
2.0342316999528E+17
Altitude
593581726.36002
Surface area
2.0342316999528E+17
Volume
3.7947522257075E+25
Height
323104966.71609