381875 is an odd 6-digits composite number following 381874
and preceding 381876 . In scientific notation, it is written as 3.81875 × 10^5.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 276000 positive integers (up to 381875) that are relatively prime to 381875.
381875 has 20 divisors, whose sum is 524832
The reverse of 381875 is 578183
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5
Name
three hundred eighty-one thousand eight hundred seventy-five
Scientific notation
3.81875 × 10^5
Engineering notation
3.81875 × 10^3
Prime Factorization
5 × 5 × 13 × 5 × 5 × 47
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3055
Product of the distinct prime numbers
The prime factorization of 381875 is 5 × 5 × 13 × 5 × 5 × 47.
Since it has a total of 6 prime factors.
2 , 8 , 72 , 98 , 71 , 953 , 5993 , 7032 , 89661 , 36474 , 686672 , 770358 , 5082932 , 2481280 , 17731611 , 12327983 , 809423417 , 24707040 , 6863860507 , 2777534057
n×2
763750
n×3
1145625
n×4
1527500
n×5
1909375
n÷2
190937.5
n÷3
127291.66666667
n÷3
95468.75
n÷5
76375
n2
145828515625
n3
55688264404296875
n4
2.1265955969391E+22
n5
8.1209369358111E+27
2 √n
617.96035471541
3 √n
72.550499893408
4 √n
24.85880839291
5 √n
13.073270446588
1 , 5 , 13 , 25 , 47 , 65 , 125 , 235 , 325 , 611 , 625 , 1175 , 1625 , 3055 , 5875 , 8125 , 15275 , 29375 , 76375 , 381875
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381875 can be divided by 20 positive divisors.
The sum of these divisors (counting 381875) is 1, the average is 0.05.
Base
System
Value
2
Binary
1011101001110110011
3
Ternary
201101211112
4
Quaternary
1131032303
5
Quinary
44210000
6
Senary
12103535
8
Octal
1351663
10
Decimal
381875
12
Duodecimal
164bab
16
Hexadecimal
5d3b3
20
Vigesimal
27edf
36
Base36
86nn
md5
7adb45111bebfb8e84315d64eba2ee2f
sha1
4719e3459ede77db8fbff6692d1f4234220cb69e
sha256
84132df39b847645e6a212efe767e6b4779bf9cab2db2930ea83c9b793a30b50
sha512
b8f86fc4427a4676b0e7caba05c776ef3188c4a30bfa57dd38db6075781f2070535d3f142c17be7f19b104846480a6a0b3cf0016f163e038b1d4831df7921e9d
ripemd-160
76a369bf14d391b5123c5295c2a4441d3d85f7d3
Diameter
763750
Circumference
2399391.3891792
Area
458133793371.4
Volume
2.3326645645827E+17
Surface area
1832535173485.6
Circumference
2399391.3891792
Perimeter
1527500
Area
145828515625
Diagonal
540052.80413123
Surface area
874971093750
Volume
55688264404296875
Space diagonal
661426.90214036
Perimeter
1145625
Area
63145599563.713
Altitude
330713.45107018
Surface area
63145599563.713
Volume
6.562924898798E+15
Height
180017.60137708