20857746 is an even 8-digits composite number following 20857745
and preceding 20857747 . In scientific notation, it is written as 2.0857746 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5500800 positive integers (up to 20857746) that are relatively prime to 20857746.
20857746 has 32 divisors, whose sum is 51343488
The reverse of 20857746 is 64775802
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred fifty-seven thousand seven hundred forty-six
Scientific notation
2.0857746 × 10^7
Engineering notation
2.0857746 × 10^6
Prime Factorization
2 × 3 × 7 × 13 × 38201
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20857746
Product of the distinct prime numbers
The prime factorization of 20857746 is 2 × 3 × 7 × 13 × 38201.
Since it has a total of 5 prime factors.
7 , 7 , 60 , 44 , 504 , 810 , 9520 , 545 , 53828 , 99035 , 626839 , 996946 , 9331442 , 2919448 , 62476039 , 76240665 , 543357334 , 626491597 , 2837759021 , 5510247625
n×2
41715492
n×3
62573238
n×4
83430984
n×5
104288730
n÷2
10428873
n÷3
6952582
n÷3
5214436.5
n÷5
4171549.2
n2
435045568200516
n3
9.074069959952E+21
n4
1.8926464641091E+29
n5
3.9476339216186E+36
2 √n
4567.0281365457
3 √n
275.2680405862
4 √n
67.579790888591
5 √n
29.097352469283
1 , 2 , 3 , 6 , 7 , 13 , 14 , 21 , 26 , 39 , 42 , 78 , 91 , 182 , 273 , 546 , 38201 , 76402 , 114603 , 229206 , 267407 , 496613 , 534814 , 802221 , 993226 , 1489839 , 1604442 , 2979678 , 3476291 , 6952582 , 10428873 , 20857746
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20857745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20857746 can be divided by 32 positive divisors.
The sum of these divisors (counting 20857746) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111100100001110010010
3
Ternary
1110020200110010
4
Quaternary
1033210032102
5
Quinary
20314421441
6
Senary
2023015350
8
Octal
117441622
10
Decimal
20857746
12
Duodecimal
6b9a556
16
Hexadecimal
13e4392
20
Vigesimal
6a7476
36
Base36
cf1xu
md5
8c69f2bfab7d21be78ffcecbfa9fcd5c
sha1
ace503d700b374091c8ed91b63b69d7691178b9c
sha256
f207e0df53b5292b2f5f41732c1aaed09f0ac7a61a39a53b609bd4605c5437ee
sha512
eb5432240374583a76ff71caf314323ef8834a5349e0c378d2769ad1702fd4c3e17c58c02d81323d78e9fd5b91360fed8917e5eab45939783c78c818839893df
ripemd-160
f56ef7a1d336e3c30dd97c661ebf4a6349383114
Diameter
41715492
Circumference
131053083.20808
Area
1.3667359610355E+15
Volume
3.8009375365794E+22
Surface area
5.4669438441422E+15
Circumference
131053083.20808
Perimeter
83430984
Area
435045568200516
Diagonal
29497307.273733
Surface area
2610273409203096
Volume
9.074069959952E+21
Space diagonal
36126675.803367
Perimeter
62573238
Area
1.8838025693274E+14
Altitude
18063337.901683
Surface area
1.8838025693274E+14
Volume
1.0693894002739E+21
Height
9832435.7579111