145881 is an odd 6-digits composite number following 145880
and preceding 145882 . In scientific notation, it is written as 1.45881 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 10 positive divisors.
There are 97200 positive integers (up to 145881) that are relatively prime to 145881.
145881 has 10 divisors, whose sum is 218042
The reverse of 145881 is 188541
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred forty-five thousand eight hundred eighty-one
Scientific notation
1.45881 × 10^5
Engineering notation
1.45881 × 10^3
Prime Factorization
9 × 3 × 3 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
48627
Product of the distinct prime numbers
The prime factorization of 145881 is 9 × 3 × 3 × 1801.
Since it has a total of 4 prime factors.
4 , 3 , 88 , 51 , 646 , 61 , 5190 , 4403 , 59896 , 2916 , 894257 , 288699 , 8133937 , 511401 , 80182230 , 82400294 , 801089835 , 48562389 , 9393064782 , 7148645513
n×2
291762
n×3
437643
n×4
583524
n×5
729405
n÷2
72940.5
n÷3
48627
n÷3
36470.25
n÷5
29176.2
n2
21281266161
n3
3104532388832841
n4
4.5289228941532E+20
n5
6.6068380072197E+25
2 √n
381.94371313061
3 √n
52.642064209233
4 √n
19.543380289259
5 √n
10.784493333988
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145881 can be divided by 10 positive divisors.
The sum of these divisors (counting 145881) is 1, the average is 0.1.
Base
System
Value
2
Binary
100011100111011001
3
Ternary
21102010000
4
Quaternary
203213121
5
Quinary
14132011
6
Senary
3043213
8
Octal
434731
10
Decimal
145881
12
Duodecimal
70509
16
Hexadecimal
239d9
20
Vigesimal
i4e1
36
Base36
34k9
md5
9c6d03c1eef6227de60bba971320f54e
sha1
5e7fb2694084584a6712d3d962f75b99e5c122b9
sha256
2e4f843a79c7eedc2242df8a1889e77028669ddc5dbae1a8f06eb3eba29552f7
sha512
437b21cc3bb5ffa1d424fc84292f9e9a263b8a2f744dbe5697fdaf357d4a3ea05b43c799074e2159ed350d3e9c8bafb172f2669755713e317b9218e1687518ee
ripemd-160
52dffd7faa93991201a1aac1049141f93ec238ef
Diameter
291762
Circumference
916597.35579667
Area
66857069430.487
Volume
1.3004234860785E+16
Surface area
267428277721.95
Circumference
916597.35579667
Perimeter
583524
Area
21281266161
Diagonal
206306.88869255
Surface area
127687596966
Volume
3104532388832841
Space diagonal
252673.30385896
Perimeter
437643
Area
9215058560.0621
Altitude
126336.65192948
Surface area
9215058560.0621
Volume
3.658726507595E+14
Height
68768.962897516