20557615 is an odd 8-digits composite number following 20557614
and preceding 20557616 . In scientific notation, it is written as 2.0557615 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 15180960 positive integers (up to 20557615) that are relatively prime to 20557615.
20557615 has 8 divisors, whose sum is 26566848
The reverse of 20557615 is 51675502
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred fifty-seven thousand six hundred fifteen
Scientific notation
2.0557615 × 10^7
Engineering notation
2.0557615 × 10^6
Prime Factorization
5 × 13 × 316271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20557615
Product of the distinct prime numbers
The prime factorization of 20557615 is 5 × 13 × 316271.
Since it has a total of 3 prime factors.
3 , 9 , 60 , 9 , 216 , 461 , 7122 , 4685 , 69451 , 32503 , 561980 , 514853 , 5033924 , 4871276 , 34286872 , 91027822 , 881801653 , 600078434 , 3329220661 , 5010797826
n×2
41115230
n×3
61672845
n×4
82230460
n×5
102788075
n÷2
10278807.5
n÷3
6852538.3333333
n÷3
5139403.75
n÷5
4111523
n2
422615534488225
n3
8.6879674510282E+21
n4
1.7860388999077E+29
n5
3.6716700079326E+36
2 √n
4534.0506172737
3 √n
273.94134020514
4 √n
67.335359338714
5 √n
29.013127441985
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20557614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20557615 can be divided by 8 positive divisors.
The sum of these divisors (counting 20557615) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011010111100101111
3
Ternary
1102200102202011
4
Quaternary
1032122330233
5
Quinary
20230320430
6
Senary
2012342051
8
Octal
116327457
10
Decimal
20557615
12
Duodecimal
6a74927
16
Hexadecimal
139af2f
20
Vigesimal
689e0f
36
Base36
c8mcv
md5
a8258fd97e32f059ed9e83b7ab0eb39b
sha1
ad2be6b573b629be539a7cb5ce0822005d506f88
sha256
b63cefd99391afe5c870dcab5657f572217a02097a2a3b784108698803141267
sha512
39e6605e52cc649192af38de75d0b75e97f81f89f3c5b1dca6f2c300f21bac65c369566390970f3550855fa1ebd3ece30a61ca076a47c5a7fc24becb596e4a06
ripemd-160
528e387b925e8a8087ae78c6c892357a44d88c2f
Diameter
41115230
Circumference
129167304.51865
Area
1.3276858584411E+15
Volume
3.639207295837E+22
Surface area
5.3107434337645E+15
Circumference
129167304.51865
Perimeter
82230460
Area
422615534488225
Diagonal
29072857.943045
Surface area
2535693206929350
Volume
8.6879674510282E+21
Space diagonal
35606833.66244
Perimeter
61672845
Area
1.8299789445037E+14
Altitude
17803416.83122
Surface area
1.8299789445037E+14
Volume
1.023886783225E+21
Height
9690952.6476815