20145655 is an odd 8-digits composite number following 20145654
and preceding 20145656 . In scientific notation, it is written as 2.0145655 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16116520 positive integers (up to 20145655) that are relatively prime to 20145655.
20145655 has 4 divisors, whose sum is 24174792
The reverse of 20145655 is 55654102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-five thousand six hundred fifty-five
Scientific notation
2.0145655 × 10^7
Engineering notation
2.0145655 × 10^6
Prime Factorization
5 × 4029131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145655
Product of the distinct prime numbers
The prime factorization of 20145655 is 5 × 4029131.
Since it has a total of 2 prime factors.
5 , 4 , 67 , 29 , 982 , 537 , 8247 , 3426 , 17299 , 64626 , 815822 , 732847 , 3074278 , 4545287 , 88124207 , 16872331 , 389970355 , 832822448 , 4785165163 , 8053350670
n×2
40291310
n×3
60436965
n×4
80582620
n×5
100728275
n÷2
10072827.5
n÷3
6715218.3333333
n÷3
5036413.75
n÷5
4029131
n2
405847415379025
n3
8.1760620128675E+21
n4
1.6471212456983E+29
n5
3.3182336359009E+36
2 √n
4488.3911371448
3 √n
272.09911594699
4 √n
66.995456093267
5 √n
28.895903511665
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
-20145654
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 20145655 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145655) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010111110111
3
Ternary
1101220111122101
4
Quaternary
1030312113313
5
Quinary
20124130110
6
Senary
1555442531
8
Octal
114662767
10
Decimal
20145655
12
Duodecimal
68b6447
16
Hexadecimal
13365f7
20
Vigesimal
65i42f
36
Base36
bzshj
md5
afabf5754caed01b36b6f4c18af187aa
sha1
dcb17ef9903ae20b159818a7bb0f7e6b2f24e354
sha256
69e31781d9844a408a4653e9095d2b8538d9afe886942bb3e3b336ae6cc30770
sha512
92caf639bdc1d3319ff242ddbe0aa894f3259cbc73d1d33ad6b633fb607ce58a298f75a414094c37392fd4cae90bb6e52e2ad4ad597df9392edc7aaaf7bfd6f7
ripemd-160
0383c5982f522a7b878dc66d999a6522b4dd4c49
Diameter
40291310
Circumference
126578883.49951
Area
1.2750072586332E+15
Volume
3.4247808473226E+22
Surface area
5.1000290345326E+15
Circumference
126578883.49951
Perimeter
80582620
Area
405847415379025
Diagonal
28490258.523889
Surface area
2435084492274150
Volume
8.1760620128675E+21
Space diagonal
34893298.011754
Perimeter
60436965
Area
1.7573708588925E+14
Altitude
17446649.005877
Surface area
1.7573708588925E+14
Volume
9.6355814878339E+20
Height
9496752.8412965