153985 is an odd 6-digits composite number following 153984
and preceding 153986 . In scientific notation, it is written as 1.53985 × 10^5.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 107712 positive integers (up to 153985) that are relatively prime to 153985.
153985 has 16 divisors, whose sum is 209664
The reverse of 153985 is 589351
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-three thousand nine hundred eighty-five
Scientific notation
1.53985 × 10^5
Engineering notation
1.53985 × 10^3
Prime Factorization
5 × 23 × 13 × 103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
153985
Product of the distinct prime numbers
The prime factorization of 153985 is 5 × 23 × 13 × 103.
Since it has a total of 4 prime factors.
7 , 1 , 22 , 15 , 533 , 886 , 191 , 7280 , 5988 , 13179 , 332123 , 559642 , 9287405 , 2907669 , 38458616 , 18719891 , 712928874 , 612658404 , 1590687088 , 4804503992
n×2
307970
n×3
461955
n×4
615940
n×5
769925
n÷2
76992.5
n÷3
51328.333333333
n÷3
38496.25
n÷5
30797
n2
23711380225
n3
3651196883946625
n4
5.6222955217452E+20
n5
8.6574917591594E+25
2 √n
392.40922517189
3 √n
53.599343758209
4 √n
19.809321673694
5 √n
10.901736569095
1 , 5 , 13 , 23 , 65 , 103 , 115 , 299 , 515 , 1339 , 1495 , 2369 , 6695 , 11845 , 30797 , 153985
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
-153984
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 153985 can be divided by 16 positive divisors.
The sum of these divisors (counting 153985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110000001
3
Ternary
21211020011
4
Quaternary
211212001
5
Quinary
14411420
6
Senary
3144521
8
Octal
454601
10
Decimal
153985
12
Duodecimal
75141
16
Hexadecimal
25981
20
Vigesimal
j4j5
36
Base36
3atd
md5
d0842f3b352810ac174a0daf7a3d3709
sha1
ff391bec69ef3c934b37860e9ac5198d4c1c542a
sha256
ff052c8b071f8d70c1237b8f6d9c4f1a1fcd7e877f2ad964bb2e9e03c43f9ddd
sha512
b5bd4bc13b993a17072f5060749eb2497645f690f868d9899e18b4c16ffd0c8e454b46544dc9f6eae3ab8324753d86780e4f97338ef1932bc9cb24fe65b8c261
ripemd-160
2509fc4396b524f36248479b6be54917364a1eae
Diameter
307970
Circumference
967516.28952605
Area
74491497921.334
Volume
1.5294097743222E+16
Surface area
297965991685.34
Circumference
967516.28952605
Perimeter
615940
Area
23711380225
Diagonal
217767.67540202
Surface area
142268281350
Volume
3651196883946625
Space diagonal
266709.84360349
Perimeter
461955
Area
10267328816.821
Altitude
133354.92180175
Surface area
10267328816.821
Volume
4.3029767934764E+14
Height
72589.225134007