20155130 is an even 8-digits composite number following 20155129
and preceding 20155131 . In scientific notation, it is written as 2.0155130 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 7711440 positive integers (up to 20155130) that are relatively prime to 20155130.
20155130 has 16 divisors, whose sum is 37857024
The reverse of 20155130 is 03155102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred fifty-five thousand one hundred thirty
Scientific notation
2.0155130 × 10^7
Engineering notation
2.0155130 × 10^6
Prime Factorization
2 × 5 × 23 × 87631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155130
Product of the distinct prime numbers
The prime factorization of 20155130 is 2 × 5 × 23 × 87631.
Since it has a total of 4 prime factors.
8 , 4 , 53 , 23 , 477 , 592 , 3543 , 5312 , 26856 , 57422 , 304458 , 916828 , 47947 , 5756154 , 90625554 , 57411733 , 542770789 , 308413740 , 3711187429 , 5179907860
n×2
40310260
n×3
60465390
n×4
80620520
n×5
100775650
n÷2
10077565
n÷3
6718376.6666667
n÷3
5038782.5
n÷5
4031026
n2
406229265316900
n3
8.1876036522666E+21
n4
1.6502221599991E+29
n5
3.3260442163662E+36
2 √n
4489.4465137698
3 √n
272.14176757653
4 √n
67.003332109454
5 √n
28.89862109213
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 87631 , 175262 , 438155 , 876310 , 2015513 , 4031026 , 10077565 , 20155130
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
-20155129
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 20155130 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155130) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000101011111010
3
Ternary
1101220222122022
4
Quaternary
1030320223322
5
Quinary
20124431010
6
Senary
1555554442
8
Octal
114705372
10
Decimal
20155130
12
Duodecimal
68bba22
16
Hexadecimal
1338afa
20
Vigesimal
65j7ga
36
Base36
bzzsq
md5
2769abc46c255134ecca4e7173fd4d34
sha1
9d5d61c67960134c19ab0d198f82e3433830052b
sha256
47948c6154da75b4941b443ff495f1ddaae0baaa678ea4b4c1af889519c7802c
sha512
793ffd8187b34a2f7e7cdd329d90dc7bc6dc0307a60235b923656697221ddaf1b729f8430aa38cc4c0a1437487513862b9e7e2eaab9da7a564721612ce7da26c
ripemd-160
5ee05c16f607816ef07ce8eb1ea320184e071073
Diameter
40310260
Circumference
126638416.68029
Area
1.2762068755928E+15
Volume
3.4296153979288E+22
Surface area
5.104827502371E+15
Circumference
126638416.68029
Perimeter
80620520
Area
406229265316900
Diagonal
28503658.197393
Surface area
2437375591901400
Volume
8.1876036522666E+21
Space diagonal
34909709.193156
Perimeter
60465390
Area
1.7590243176256E+14
Altitude
17454854.596578
Surface area
1.7590243176256E+14
Volume
9.6491834403091E+20
Height
9501219.3991309