145749 is an odd 6-digits composite number following 145748
and preceding 145750 . In scientific notation, it is written as 1.45749 × 10^5.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 92016 positive integers (up to 145749) that are relatively prime to 145749.
145749 has 4 divisors, whose sum is 148364
The reverse of 145749 is 947541
Previous prime number is 57
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
one hundred forty-five thousand seven hundred forty-nine
Scientific notation
1.45749 × 10^5
Engineering notation
1.45749 × 10^3
Prime Factorization
57 × 2557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145749
Product of the distinct prime numbers
The prime factorization of 145749 is 57 × 2557.
Since it has a total of 2 prime factors.
8 , 7 , 19 , 87 , 974 , 742 , 3606 , 8003 , 38136 , 24433 , 271487 , 824725 , 3421455 , 399247 , 84400036 , 10131540 , 97788823 , 70219473 , 6068673678 , 9621544200
n×2
291498
n×3
437247
n×4
582996
n×5
728745
n÷2
72874.5
n÷3
48583
n÷3
36437.25
n÷5
29149.8
n2
21242771001
n3
3096112630624749
n4
4.5125531980093E+20
n5
6.5770011605665E+25
2 √n
381.77087369259
3 √n
52.626181744798
4 √n
19.538957845612
5 √n
10.782540963715
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
-145748
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 145749 can be divided by 4 positive divisors.
The sum of these divisors (counting 145749) is 1, the average is 0.25.
Base
System
Value
2
Binary
100011100101010101
3
Ternary
21101221010
4
Quaternary
203211111
5
Quinary
14130444
6
Senary
3042433
8
Octal
434525
10
Decimal
145749
12
Duodecimal
70419
16
Hexadecimal
23955
20
Vigesimal
i479
36
Base36
34gl
md5
e9ea74d8a66f0bf1ee34e8d1a298d070
sha1
b3032b143801435b7aaf1ea4e9fc10a1ea5c4204
sha256
c13ee77f7b163a13d60e13529fe5a78a8d0022b654bc409b31d80f0db7bb8fb4
sha512
bf6df8bb77cb14643bac8a30a75d95cb8613fa4cd434b87e0e01b1a84015b103d668ef03e015d6cb55ccadcaebcb0eac693c45780fd46aacfec2229b4854029f
ripemd-160
bacbc7242505ee5f5022d3ed217113312d4a6121
Diameter
291498
Circumference
915767.97533612
Area
66736133318.632
Volume
1.2968966260076E+16
Surface area
266944533274.53
Circumference
915767.97533612
Perimeter
582996
Area
21242771001
Diagonal
206120.21250232
Surface area
127456626006
Volume
3096112630624749
Space diagonal
252444.67315236
Perimeter
437247
Area
9198389666.8207
Altitude
126222.33657618
Surface area
9198389666.8207
Volume
3.6488037273868E+14
Height
68706.737500772