20105488 is an even 8-digits composite number following 20105487
and preceding 20105489 . In scientific notation, it is written as 2.0105488 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 9279360 positive integers (up to 20105488) that are relatively prime to 20105488.
20105488 has 20 divisors, whose sum is 41951308
The reverse of 20105488 is 88450102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred five thousand four hundred eighty-eight
Scientific notation
2.0105488 × 10^7
Engineering notation
2.0105488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 96661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2513186
Product of the distinct prime numbers
The prime factorization of 20105488 is 2 × 2 × 2 × 2 × 13 × 96661.
Since it has a total of 6 prime factors.
1 , 3 , 35 , 99 , 478 , 503 , 3858 , 7414 , 68526 , 59749 , 419569 , 882211 , 9979236 , 6693282 , 89620322 , 97281457 , 66856672 , 337887340 , 3175001080 , 9270657712
n×2
40210976
n×3
60316464
n×4
80421952
n×5
100527440
n÷2
10052744
n÷3
6701829.3333333
n÷3
5026372
n÷5
4021097.6
n2
404230647718144
n3
8.1272544369294E+21
n4
1.6340241655463E+29
n5
3.2852853252101E+36
2 √n
4483.9143613588
3 √n
271.91815588328
4 √n
66.962036717523
5 √n
28.88437161032
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 96661 , 193322 , 386644 , 773288 , 1256593 , 1546576 , 2513186 , 5026372 , 10052744 , 20105488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105488 can be divided by 20 positive divisors.
The sum of these divisors (counting 20105488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100101100100100010000
3
Ternary
1101211110112201
4
Quaternary
1030230210100
5
Quinary
20121333423
6
Senary
1554532544
8
Octal
114544420
10
Decimal
20105488
12
Duodecimal
6897154
16
Hexadecimal
132c910
20
Vigesimal
65d3e8
36
Base36
byxhs
md5
e5ea09e2985b514a6bd2e85bf670ab22
sha1
8696278cd2571cd3405a6d21cc6fd499ac1dfa05
sha256
7aecc7d905fa469360528175d25b3dc7b45fffa5657d40fc6fc624e358f0cd2a
sha512
7c9a7c19f4761f992a42f765293f9b50a9e6bce4c9693e51a5f5c2a899ed37e624b88b57bcabe2b9de477317f942fcacd32c4753b9429a535574ddbf0905503e
ripemd-160
292b18bfb1ff595286ad6d298857c4716d053dbd
Diameter
40210976
Circumference
126326506.79528
Area
1.2699280332272E+15
Volume
3.4043363777216E+22
Surface area
5.0797121329087E+15
Circumference
126326506.79528
Perimeter
80421952
Area
404230647718144
Diagonal
28433453.80773
Surface area
2425383886308864
Volume
8.1272544369294E+21
Space diagonal
34823726.726966
Perimeter
60316464
Area
1.7503700495608E+14
Altitude
17411863.363483
Surface area
1.7503700495608E+14
Volume
9.5780612079687E+20
Height
9477817.9359098