144668749 is an odd 9-digits composite number following 144668748
and preceding 144668750 . In scientific notation, it is written as 1.44668749 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 143747136 positive integers (up to 144668749) that are relatively prime to 144668749.
144668749 has 4 divisors, whose sum is 145590364
The reverse of 144668749 is 947866441
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred forty-four million six hundred sixty-eight thousand seven hundred forty-nine
Scientific notation
1.44668749 × 10^8
Engineering notation
1.44668749 × 10^6
Prime Factorization
157 × 921457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
144668749
Product of the distinct prime numbers
The prime factorization of 144668749 is 157 × 921457.
Since it has a total of 2 prime factors.
6 , 2 , 44 , 45 , 369 , 232 , 3389 , 4294 , 55081 , 62690 , 922302 , 675269 , 8218501 , 4127612 , 51233157 , 99046341 , 765218944 , 879293554 , 1539754534 , 2494917928
n×2
289337498
n×3
434006247
n×4
578674996
n×5
723343745
n÷2
72334374.5
n÷3
48222916.333333
n÷3
36167187.25
n÷5
28933749.8
n2
20929046937225001
n3
3.0277790381706E+24
n4
4.3802500570057E+32
n5
6.3368529605419E+40
2 √n
12027.832265209
3 √n
524.95842331367
4 √n
109.67147425474
5 √n
42.862248040881
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
-144668748
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 144668749 can be divided by 4 positive divisors.
The sum of these divisors (counting 144668749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111110111100001001101
3
Ternary
101002012221012211
4
Quaternary
20213313201031
5
Quinary
244013344444
6
Senary
22204430421
8
Octal
1047674115
10
Decimal
144668749
12
Duodecimal
40548411
16
Hexadecimal
89f784d
20
Vigesimal
2543bh9
36
Base36
2e4r4d
md5
af526a7f4cb153589b8c8145305ea607
sha1
ae655ef0cd5cacc35e12c84fbe7cf69a7fcc499a
sha256
b15095d2110a0aa0022c75e989c876f681d7b9af2a381d10eb00466709690841
sha512
bf82e3acdbc9db261e64f1e1d0f93ce22f87664b3fcb33b6fb9a6af49afc55add918ef82b90d7c826adc8ff1167de2394d80bb70d7389b2441cd9e689a79a150
ripemd-160
7da8f6af9ce0f3d2102550411b126e87807c9f93
Diameter
289337498
Circumference
908980558.12485
Area
6.5750540104622E+16
Volume
1.2682731177347E+25
Surface area
2.6300216041849E+17
Circumference
908980558.12485
Perimeter
578674996
Area
20929046937225001
Diagonal
204592506.88735
Surface area
125574281623350006
Volume
3.0277790381706E+24
Space diagonal
250573623.53543
Perimeter
434006247
Area
9.0625431623169E+15
Altitude
125286811.76771
Surface area
9.0625431623169E+15
Volume
3.5682718163749E+23
Height
68197502.295783