20107857 is an odd 8-digits composite number following 20107856
and preceding 20107858 . In scientific notation, it is written as 2.0107857 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10267200 positive integers (up to 20107857) that are relatively prime to 20107857.
20107857 has 16 divisors, whose sum is 23373504
The reverse of 20107857 is 75870102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred seven thousand eight hundred fifty-seven
Scientific notation
2.0107857 × 10^7
Engineering notation
2.0107857 × 10^6
Prime Factorization
21 × 11 × 61 × 1427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20107857
Product of the distinct prime numbers
The prime factorization of 20107857 is 21 × 11 × 61 × 1427.
Since it has a total of 4 prime factors.
9 , 8 , 61 , 80 , 359 , 792 , 7688 , 7742 , 58375 , 15427 , 279233 , 939938 , 9054649 , 6155560 , 74950121 , 711889 , 78236010 , 397788788 , 4349788546 , 4906269103
n×2
40215714
n×3
60323571
n×4
80431428
n×5
100539285
n÷2
10053928.5
n÷3
6702619
n÷3
5026964.25
n÷5
4021571.4
n2
404325913132449
n3
8.1301276426617E+21
n4
1.6347944403039E+29
n5
3.2872212830026E+36
2 √n
4484.1785200859
3 √n
271.92883536894
4 √n
66.96400913988
5 √n
28.885052258823
1 , 11 , 21 , 61 , 231 , 671 , 1281 , 1427 , 14091 , 15697 , 29967 , 87047 , 329637 , 957517 , 1827987 , 20107857
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
-20107856
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 20107857 can be divided by 16 positive divisors.
The sum of these divisors (counting 20107857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101101001001010001
3
Ternary
1101211120210110
4
Quaternary
1030231021101
5
Quinary
20121422412
6
Senary
1554551533
8
Octal
114551121
10
Decimal
20107857
12
Duodecimal
68985a9
16
Hexadecimal
132d251
20
Vigesimal
65d9ch
36
Base36
byzbl
md5
218a98a1ab161a87c256f5a7700957d5
sha1
0e438b6526d6898494eab2fe0c605cb6e268aee5
sha256
d30c960377d50fc7d527ab92c2182e01b418a958c347ef11a4697a556a0939d7
sha512
df625ccd67aaa9e4de0a4f427286bb795c3eeb55e2c82d24039365a8ef5bf2388a43414d5027fab7e7bc169f960847f738daa780b87a516db7727ed6866b7cbd
ripemd-160
41d821a55cb9c5abc8d959d865f510b4152b2a01
Diameter
40215714
Circumference
126341391.66127
Area
1.2702273183529E+15
Volume
3.4055399033244E+22
Surface area
5.0809092734115E+15
Circumference
126341391.66127
Perimeter
80431428
Area
404325913132449
Diagonal
28436804.079659
Surface area
2425955478794694
Volume
8.1301276426617E+21
Space diagonal
34827829.95533
Perimeter
60323571
Area
1.7507825609052E+14
Altitude
17413914.977665
Surface area
1.7507825609052E+14
Volume
9.5814473133972E+20
Height
9478934.6932196