38891 is an odd 5-digits prime number following 38890
and preceding 38892 . In scientific notation, it is written as 3.8891 × 10^4.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 38890 positive integers (up to 38891) that are relatively prime to 38891.
38891 has 2 divisors, whose sum is 38892
The reverse of 38891 is 19883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 29
Digital Root 2
Name
thirty-eight thousand eight hundred ninety-one
Scientific notation
3.8891 × 10^4
Engineering notation
3.8891 × 10^3
Prime Factorization
38891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
38891
Product of the distinct prime numbers
The prime factorization of 38891 is 38891.
Since it has a total of 1 prime factors.
5 , 6 , 67 , 5 , 179 , 95 , 8423 , 9109 , 56510 , 17809 , 266425 , 516672 , 6834467 , 3640729 , 82617899 , 98205179 , 248622883 , 438303476 , 1478321991 , 8388429277
n×2
77782
n×3
116673
n×4
155564
n×5
194455
n÷2
19445.5
n÷3
12963.666666667
n÷3
9722.75
n÷5
7778.2
n2
1512509881
n3
58823021781971
n4
2287686140122634161
n5
8.8970401675509E+22
2 √n
197.20801200763
3 √n
33.880491613871
4 √n
14.043077013519
5 √n
8.2788463425019
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
38892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
19446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
197.21054738528
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999485755425
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38891 can be divided by 2 positive divisors.
The sum of these divisors (counting 38891) is 38892, the average is 19446.
Base
System
Value
2
Binary
1001011111101011
3
Ternary
1222100102
4
Quaternary
21133223
5
Quinary
2221031
6
Senary
500015
8
Octal
113753
10
Decimal
38891
12
Duodecimal
1a60b
16
Hexadecimal
97eb
20
Vigesimal
4h4b
36
Base36
u0b
md5
0808a56a90ca2f8b1e91a1e60b7b451e
sha1
9fa4abf50e135423f707f85d2cf77bde6f5c6ff6
sha256
e921be3279d6b98e080cebda9f63f7843d2745dc0fcc519d023bce673e3fbb6e
sha512
5b04e761e5e43bded7073f266451457fec17fb3c58904d0fb7d4c8b04bbd72b05b6be17185305d81a4f9d8ec5f0876c0efc3aadd36c7f41c71a7160386a26339
ripemd-160
6f58d89dea9b006cd0eb3550cc7808bb023db3f3
Diameter
77782
Circumference
244359.35978152
Area
4751689930.6316
Volume
2.4639729745626E+14
Surface area
19006759722.526
Circumference
244359.35978152
Perimeter
155564
Area
1512509881
Diagonal
55000.179654252
Surface area
9075059286
Volume
58823021781971
Space diagonal
67361.187957161
Perimeter
116673
Area
654935990.21049
Altitude
33680.593978581
Surface area
654935990.21049
Volume
6932359598652.6
Height
18333.393218084