20154490 is an even 8-digits composite number following 20154489
and preceding 20154491 . In scientific notation, it is written as 2.0154490 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8041680 positive integers (up to 20154490) that are relatively prime to 20154490.
20154490 has 16 divisors, whose sum is 36368640
The reverse of 20154490 is 09445102
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-four thousand four hundred ninety
Scientific notation
2.0154490 × 10^7
Engineering notation
2.0154490 × 10^6
Prime Factorization
2 × 5 × 439 × 4591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20154490
Product of the distinct prime numbers
The prime factorization of 20154490 is 2 × 5 × 439 × 4591.
Since it has a total of 4 prime factors.
4 , 3 , 44 , 20 , 682 , 654 , 5515 , 1971 , 53973 , 96575 , 52753 , 676298 , 2966497 , 5213907 , 2606127 , 67296342 , 826865649 , 360950381 , 8661531018 , 7274619261
n×2
40308980
n×3
60463470
n×4
80617960
n×5
100772450
n÷2
10077245
n÷3
6718163.3333333
n÷3
5038622.5
n÷5
4030898
n2
406203467160100
n3
8.1868237168436E+21
n4
1.6500125673289E+29
n5
3.3255161788104E+36
2 √n
4489.3752349297
3 √n
272.13888704314
4 √n
67.002800202153
5 √n
28.898437562156
1 , 2 , 5 , 10 , 439 , 878 , 2195 , 4390 , 4591 , 9182 , 22955 , 45910 , 2015449 , 4030898 , 10077245 , 20154490
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20154489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20154490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20154490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000100001111010
3
Ternary
1101220221202121
4
Quaternary
1030320201322
5
Quinary
20124420430
6
Senary
1555551454
8
Octal
114704172
10
Decimal
20154490
12
Duodecimal
68bb58a
16
Hexadecimal
133887a
20
Vigesimal
65j64a
36
Base36
bzzay
md5
7298a81d84df3c406d36c03bd9dbed85
sha1
d680c02c5352715602ea2a0fa891223891f03f06
sha256
fdc93f7d711414d6c570d895cebfa0c4bd9a28d2b0175e85a464180d83359718
sha512
feb1bead898e8c5d4b12416c7cc9a352b5f62b0a0194e9691525bbfcad302e3cae20d9bfd8dedfbdd03191b79318f0c14b13ec40a59c078302abc35093466439
ripemd-160
8ecc7a32a32712f666563f4f7b2b3e388b58569a
Diameter
40308980
Circumference
126634395.4417
Area
1.2761258282929E+15
Volume
3.4292886993427E+22
Surface area
5.1045033131715E+15
Circumference
126634395.4417
Perimeter
80617960
Area
406203467160100
Diagonal
28502753.100713
Surface area
2437220802960600
Volume
8.1868237168436E+21
Space diagonal
34908600.680639
Perimeter
60463470
Area
1.7589126083298E+14
Altitude
17454300.340319
Surface area
1.7589126083298E+14
Volume
9.6482642775982E+20
Height
9500917.7002376