30881 is an odd 5-digits prime number following 30880
and preceding 30882 . In scientific notation, it is written as 3.0881 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 30880 positive integers (up to 30881) that are relatively prime to 30881.
30881 has 2 divisors, whose sum is 30882
The reverse of 30881 is 18803
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
thirty thousand eight hundred eighty-one
Scientific notation
3.0881 × 10^4
Engineering notation
3.0881 × 10^3
Prime Factorization
30881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
30881
Product of the distinct prime numbers
The prime factorization of 30881 is 30881.
Since it has a total of 1 prime factors.
3 , 3 , 50 , 22 , 589 , 50 , 3363 , 5566 , 44359 , 92945 , 709376 , 262084 , 4013235 , 6393793 , 62401435 , 29601569 , 945096358 , 331864934 , 9365642362 , 8547607411
n×2
61762
n×3
92643
n×4
123524
n×5
154405
n÷2
15440.5
n÷3
10293.666666667
n÷3
7720.25
n÷5
6176.2
n2
953636161
n3
29449238287841
n4
909421927566817921
n5
2.8083858545191E+22
2 √n
175.72990639046
3 √n
31.37355881911
4 √n
13.256315717063
5 √n
7.9056625200837
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
30882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15441
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
175.73275164294
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999352373551
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30881 can be divided by 2 positive divisors.
The sum of these divisors (counting 30881) is 30882, the average is 15441.
Base
System
Value
2
Binary
111100010100001
3
Ternary
1120100202
4
Quaternary
13202201
5
Quinary
1442011
6
Senary
354545
8
Octal
74241
10
Decimal
30881
12
Duodecimal
15a55
16
Hexadecimal
78a1
20
Vigesimal
3h41
36
Base36
ntt
md5
f74c62f119a92803fb8773ad50e528c9
sha1
a8845d0b55f938d709883d5a783e2281710e809c
sha256
017c6717160f470833f0faa980614df14b387e879a3fb71b52e2b03bc22763fc
sha512
8420e03c86127885fa6b1f6e183ef5cf899d5a15642b849257393e289fe5718d800aafc30e92c7e2c0087da48c41b2b1ea1330d6cec62eb41c8c61f2bdb05718
ripemd-160
b4c5b8e53b42604a01f09c7f92f564e52ecd8ffb
Diameter
61762
Circumference
194031.04547101
Area
2995936357.5952
Volume
1.2335668087853E+14
Surface area
11983745430.381
Circumference
194031.04547101
Perimeter
123524
Area
953636161
Diagonal
43672.329019644
Surface area
5721816966
Volume
29449238287841
Space diagonal
53487.460988534
Perimeter
92643
Area
412936570.69673
Altitude
26743.730494267
Surface area
412936570.69673
Volume
3470626015685.1
Height
14557.443006548