144865991 is an odd 9-digits composite number following 144865990
and preceding 144865992 . In scientific notation, it is written as 1.44865991 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 139870584 positive integers (up to 144865991) that are relatively prime to 144865991.
144865991 has 4 divisors, whose sum is 149861400
The reverse of 144865991 is 199568441
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred forty-four million eight hundred sixty-five thousand nine hundred ninety-one
Scientific notation
1.44865991 × 10^8
Engineering notation
1.44865991 × 10^6
Prime Factorization
29 × 4995379
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
144865991
Product of the distinct prime numbers
The prime factorization of 144865991 is 29 × 4995379.
Since it has a total of 2 prime factors.
1 , 7 , 50 , 22 , 498 , 417 , 2920 , 56 , 99653 , 19203 , 887842 , 761668 , 6834554 , 6287007 , 44276255 , 6641065 , 256008929 , 254100544 , 8184670441 , 9768211266
n×2
289731982
n×3
434597973
n×4
579463964
n×5
724329955
n÷2
72432995.5
n÷3
48288663.666667
n÷3
36216497.75
n÷5
28973198.2
n2
20986155348412081
n3
3.0401801918277E+24
n4
4.4041871630768E+32
n5
6.3801693792861E+40
2 √n
12036.028871684
3 √n
525.19689183407
4 √n
109.70883679852
5 √n
42.873929387043
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
-144865990
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 144865991 can be divided by 4 positive divisors.
The sum of these divisors (counting 144865991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101000100111101011000111
3
Ternary
101002120221210002
4
Quaternary
20220213223013
5
Quinary
244041202431
6
Senary
22212551515
8
Octal
1050475307
10
Decimal
144865991
12
Duodecimal
4062259b
16
Hexadecimal
8a27ac7
20
Vigesimal
25584jb
36
Base36
2e8zbb
md5
98327de57e2d784d19303decc8c57b19
sha1
28b75d8db6fa5ea07055b3d35425beb1a081361f
sha256
80f3bcab146de4f822a407bb903cdedcfc25f373a0b3c143ea7cb71f5f738c6d
sha512
874b4fc1d98f9d324900107642d0ea9ee24c97095388a2a7e0d8ea8c2f84a646d4923f5be3d6267b267f7b598f64acb1cd90b4904383c13afd86a9723fab2bc5
ripemd-160
6149c43b559256b4ba1517ec96822151dbeef080
Diameter
289731982
Circumference
910219866.16121
Area
6.5929951469666E+16
Volume
1.2734677008313E+25
Surface area
2.6371980587866E+17
Circumference
910219866.16121
Perimeter
579463964
Area
20986155348412081
Diagonal
204871449.19882
Surface area
125916932090472486
Volume
3.0401801918277E+24
Space diagonal
250915256.70082
Perimeter
434597973
Area
9.0872718297458E+15
Altitude
125457628.35041
Surface area
9.0872718297458E+15
Volume
3.5828867161173E+23
Height
68290483.066273