143921 is an odd 6-digits composite number following 143920
and preceding 143922 . In scientific notation, it is written as 1.43921 × 10^5.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 140532 positive integers (up to 143921) that are relatively prime to 143921.
143921 has 4 divisors, whose sum is 147312
The reverse of 143921 is 129341
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred forty-three thousand nine hundred twenty-one
Scientific notation
1.43921 × 10^5
Engineering notation
1.43921 × 10^3
Prime Factorization
43 × 3347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
143921
Product of the distinct prime numbers
The prime factorization of 143921 is 43 × 3347.
Since it has a total of 2 prime factors.
1 , 3 , 22 , 73 , 32 , 366 , 52 , 6228 , 15306 , 46093 , 997433 , 144582 , 6260121 , 2006723 , 58945611 , 88349727 , 699810710 , 746960396 , 2947550463 , 9952273043
n×2
287842
n×3
431763
n×4
575684
n×5
719605
n÷2
71960.5
n÷3
47973.666666667
n÷3
35980.25
n÷5
28784.2
n2
20713254241
n3
2981072263618961
n4
4.290389012523E+20
n5
6.1747707707133E+25
2 √n
379.36921330018
3 √n
52.405241011821
4 √n
19.477402632286
5 √n
10.75535707904
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-143920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 143921 can be divided by 4 positive divisors.
The sum of these divisors (counting 143921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100011001000110001
3
Ternary
21022102102
4
Quaternary
203020301
5
Quinary
14101141
6
Senary
3030145
8
Octal
431061
10
Decimal
143921
12
Duodecimal
6b355
16
Hexadecimal
23231
20
Vigesimal
hjg1
36
Base36
331t
md5
3e4906252f8eafaa328f8f7d4cf01d1c
sha1
8f99dd02a6f4650fd4d3f527e6a739f935d3348b
sha256
71fcaaab3cd9625a06eb916f45f64a80c34012c101eb7220c17844dba4d4d441
sha512
f5d18a9b2c2ab0babbe26c96f01fa0771262cb5c66787f94c3bc8573ba2c037f73fc0fb07e7fd8ad35c016485ff368cbb8329e36a60de0c9f4cb25d7a4f7c3df
ripemd-160
ae2ead5b4d05952a99aebdc3f1f8114d7d4dc927
Diameter
287842
Circumference
904282.31259459
Area
65072607355.463
Volume
1.2487086297607E+16
Surface area
260290429421.85
Circumference
904282.31259459
Perimeter
575684
Area
20713254241
Diagonal
203535.0301103
Surface area
124279525446
Volume
2981072263618961
Space diagonal
249278.48427612
Perimeter
431763
Area
8969102183.8759
Altitude
124639.24213806
Surface area
8969102183.8759
Volume
3.5132273546868E+14
Height
67845.010036766