161925 is an odd 6-digits composite number following 161924
and preceding 161926 . In scientific notation, it is written as 1.61925 × 10^5.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 80640 positive integers (up to 161925) that are relatively prime to 161925.
161925 has 16 divisors, whose sum is 264192
The reverse of 161925 is 529161
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 24
Digital Root 6
Name
one hundred sixty-one thousand nine hundred twenty-five
Scientific notation
1.61925 × 10^5
Engineering notation
1.61925 × 10^3
Prime Factorization
3 × 5 × 85 × 127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161925
Product of the distinct prime numbers
The prime factorization of 161925 is 3 × 5 × 85 × 127.
Since it has a total of 4 prime factors.
9 , 10 , 26 , 54 , 180 , 779 , 6060 , 3147 , 91635 , 61277 , 402664 , 232564 , 2358187 , 5107068 , 84529269 , 29239762 , 823064998 , 597170275 , 7881861560 , 1606286784
n×2
323850
n×3
485775
n×4
647700
n×5
809625
n÷2
80962.5
n÷3
53975
n÷3
40481.25
n÷5
32385
n2
26219705625
n3
4245625833328125
n4
6.8747296306166E+20
n5
1.1131905954376E+26
2 √n
402.3990556649
3 √n
54.505203891053
4 √n
20.059886731108
5 √n
11.011913242629
1 , 3 , 5 , 15 , 85 , 127 , 255 , 381 , 425 , 635 , 1275 , 1905 , 10795 , 32385 , 53975 , 161925
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
-161924
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 161925 can be divided by 16 positive divisors.
The sum of these divisors (counting 161925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111100010000101
3
Ternary
22020010020
4
Quaternary
213202011
5
Quinary
20140200
6
Senary
3245353
8
Octal
474205
10
Decimal
161925
12
Duodecimal
79859
16
Hexadecimal
27885
20
Vigesimal
104g5
36
Base36
3gxx
md5
afc413de4b72376444a5e70ac1a2041d
sha1
e3d2dd380f31348f1c9b8d63f6ec9135b7ddfbc8
sha256
1c490b14d7d52d1c457944b02034f6f49b3105279da11fcd51cf6eb5ba9b96a3
sha512
7ff90511e3c755a8d0295e92a32f995e11347b7a679f010ac5373ea08e4fc38d59a9b028063e1e6259150f4543647d843f57b0309b23567b019cf90f7839b643
ripemd-160
7e2a30c6aa020519f1f396c914a3d436d3e19039
Diameter
323850
Circumference
1017404.7808651
Area
82371634570.787
Volume
1.7784035903833E+16
Surface area
329486538283.15
Circumference
1017404.7808651
Perimeter
647700
Area
26219705625
Diagonal
228996.53108726
Surface area
157318233750
Volume
4245625833328125
Space diagonal
280462.32701559
Perimeter
485775
Area
11353465575.5
Altitude
140231.1635078
Surface area
11353465575.5
Volume
5.0035180285452E+14
Height
76332.177029088