20145489 is an odd 8-digits composite number following 20145488
and preceding 20145490 . In scientific notation, it is written as 2.0145489 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 10513152 positive integers (up to 20145489) that are relatively prime to 20145489.
20145489 has 32 divisors, whose sum is 33411840
The reverse of 20145489 is 98454102
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-five thousand four hundred eighty-nine
Scientific notation
2.0145489 × 10^7
Engineering notation
2.0145489 × 10^6
Prime Factorization
3 × 13 × 7 × 109 × 677
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20145489
Product of the distinct prime numbers
The prime factorization of 20145489 is 3 × 13 × 7 × 109 × 677.
Since it has a total of 5 prime factors.
9 , 10 , 27 , 10 , 421 , 864 , 4552 , 7049 , 72669 , 12437 , 321151 , 22651 , 5124366 , 9487521 , 67858377 , 78053022 , 343564175 , 594909319 , 9102043771 , 7279027502
n×2
40290978
n×3
60436467
n×4
80581956
n×5
100727445
n÷2
10072744.5
n÷3
6715163
n÷3
5036372.25
n÷5
4029097.8
n2
405840727049121
n3
8.1758599025201E+21
n4
1.6470669573176E+29
n5
3.3180969270905E+36
2 √n
4488.3726449572
3 √n
272.09836858025
4 √n
66.995318082364
5 √n
28.895855891115
1 , 3 , 7 , 13 , 21 , 39 , 91 , 109 , 273 , 327 , 677 , 763 , 1417 , 2031 , 2289 , 4251 , 4739 , 8801 , 9919 , 14217 , 26403 , 29757 , 61607 , 73793 , 184821 , 221379 , 516551 , 959309 , 1549653 , 2877927 , 6715163 , 20145489
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145489 can be divided by 32 positive divisors.
The sum of these divisors (counting 20145489) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110110010101010001
3
Ternary
1101220111102020
4
Quaternary
1030312111101
5
Quinary
20124123424
6
Senary
1555442053
8
Octal
114662521
10
Decimal
20145489
12
Duodecimal
68b6329
16
Hexadecimal
1336551
20
Vigesimal
65i3e9
36
Base36
bzscx
md5
f701cb6a5420685aed73575eec87ae27
sha1
96f867b93fc598f328ead55b60faaad3402f66fa
sha256
3f7d78595749b2a0cbf51b0cbc0a7ad7999113aa9434f26b232e0aa5250bbaa8
sha512
4aa31e00847bbd145417cf3195fbd86117eadc61813c582d3583ac715b100651de60f53fcacd1e2c75465ef4d813bd8c853d7787a936fc1d107f0a554a82b89c
ripemd-160
acceaee578ed674c87718d54a72fe7420573e8b4
Diameter
40290978
Circumference
126577840.49075
Area
1.2749862466251E+15
Volume
3.4246961875382E+22
Surface area
5.0999449865002E+15
Circumference
126577840.49075
Perimeter
80581956
Area
405840727049121
Diagonal
28490023.764438
Surface area
2435044362294726
Volume
8.1758599025201E+21
Space diagonal
34893010.49132
Perimeter
60436467
Area
1.7573418975744E+14
Altitude
17446505.24566
Surface area
1.7573418975744E+14
Volume
9.6353432985052E+20
Height
9496674.588146