20154555 is an odd 8-digits composite number following 20154554
and preceding 20154556 . In scientific notation, it is written as 2.0154555 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10280160 positive integers (up to 20154555) that are relatively prime to 20154555.
20154555 has 16 divisors, whose sum is 28668672
The reverse of 20154555 is 55545102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-four thousand five hundred fifty-five
Scientific notation
2.0154555 × 10^7
Engineering notation
2.0154555 × 10^6
Prime Factorization
45 × 3 × 23 × 6491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20154555
Product of the distinct prime numbers
The prime factorization of 20154555 is 45 × 3 × 23 × 6491.
Since it has a total of 4 prime factors.
1 , 5 , 15 , 29 , 893 , 168 , 3801 , 4431 , 80381 , 37005 , 242789 , 729980 , 8425891 , 9677903 , 95551488 , 22361754 , 4568948 , 286104549 , 3641762446 , 7116109928
n×2
40309110
n×3
60463665
n×4
80618220
n×5
100772775
n÷2
10077277.5
n÷3
6718185
n÷3
5038638.75
n÷5
4030911
n2
406206087248025
n3
8.1869029267751E+21
n4
1.6500338531735E+29
n5
3.3255698045647E+36
2 √n
4489.3824742385
3 √n
272.13917960009
4 √n
67.002854224567
5 √n
28.898456202132
1 , 3 , 23 , 45 , 69 , 135 , 1035 , 3105 , 6491 , 19473 , 149293 , 292095 , 447879 , 876285 , 6718185 , 20154555
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
-20154554
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 20154555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20154555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000100010111011
3
Ternary
1101220221212000
4
Quaternary
1030320202323
5
Quinary
20124421210
6
Senary
1555552043
8
Octal
114704273
10
Decimal
20154555
12
Duodecimal
68bb623
16
Hexadecimal
13388bb
20
Vigesimal
65j67f
36
Base36
bzzcr
md5
a5e8ebf0ac122bcad6b20022b3274a50
sha1
d00d0017417a613b3e76e4ea91956c553bcb651c
sha256
2bebeaf804b3e63fd8f885f9b4cabd7d2a8e8fa4306f86066e8fca358f4dbf23
sha512
4573f459cfb82251fe3f8e3889100df6408d60ae44c49f8ea7903d676a6d63b1249424709d1e60c70d77b24277dc92cbb059bc91bd2d73a2a92ff2da79d4dda9
ripemd-160
f6bbb6e9f1e658658fb3b1562d96e641c9c98b16
Diameter
40309110
Circumference
126634803.84874
Area
1.2761340595418E+15
Volume
3.4293218787213E+22
Surface area
5.1045362381674E+15
Circumference
126634803.84874
Perimeter
80618220
Area
406206087248025
Diagonal
28502845.024594
Surface area
2437236523488150
Volume
8.1869029267751E+21
Space diagonal
34908713.263941
Perimeter
60463665
Area
1.7589239536433E+14
Altitude
17454356.631971
Surface area
1.7589239536433E+14
Volume
9.6483576273978E+20
Height
9500948.3415315