20012857 is an odd 8-digits prime number following 20012856
and preceding 20012858 . In scientific notation, it is written as 2.0012857 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20012856 positive integers (up to 20012857) that are relatively prime to 20012857.
20012857 has 2 divisors, whose sum is 20012858
The reverse of 20012857 is 75821002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million twelve thousand eight hundred fifty-seven
Scientific notation
2.0012857 × 10^7
Engineering notation
2.0012857 × 10^6
Prime Factorization
20012857
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20012857
Product of the distinct prime numbers
The prime factorization of 20012857 is 20012857.
Since it has a total of 1 prime factors.
7 , 2 , 98 , 47 , 530 , 618 , 3110 , 4106 , 1888 , 75217 , 324653 , 992148 , 276498 , 9990490 , 87035030 , 63840816 , 33980156 , 263985927 , 1221046091 , 2336428571
n×2
40025714
n×3
60038571
n×4
80051428
n×5
100064285
n÷2
10006428.5
n÷3
6670952.3333333
n÷3
5003214.25
n÷5
4002571.4
n2
400514445302449
n3
8.0154383202722E+21
n4
1.6041182089593E+29
n5
3.2102988326998E+36
2 √n
4473.5731803559
3 √n
271.49991464555
4 √n
66.884775400355
5 √n
28.857706923123
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20012858
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10006429
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4473.5732921234
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999000642
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20012857 can be divided by 2 positive divisors.
The sum of these divisors (counting 20012857) is 20012858, the average is 10006429.
Base
System
Value
2
Binary
1001100010101111100111001
3
Ternary
1101122202110221
4
Quaternary
1030111330321
5
Quinary
20110402412
6
Senary
1552540041
8
Octal
114257471
10
Decimal
20012857
12
Duodecimal
6851621
16
Hexadecimal
1315f39
20
Vigesimal
651c2h
36
Base36
bwy0p
md5
cc4f060642199ec1213c772d9b3da264
sha1
4be756dba303c4ba5987425e0a7028ec1e53b6fd
sha256
827e51f1529e4e9a4f22c4d26c6180ece13f1ff5ed920d5eb5fc5c802e80406e
sha512
845818d1f41ddc66b12973c43d891a3353635d1c0a667081dbd6ffb8a1161eaa1cdd2a8f3b88c5b08c58eaa3451fdb45d7621d99c5b04e4ce21f8e643adfff83
ripemd-160
fea0a70977ece9370f8cc984ce7efbe2d0aceeeb
Diameter
40025714
Circumference
125744489.05709
Area
1.2582532390188E+15
Volume
3.3574989523026E+22
Surface area
5.0330129560751E+15
Circumference
125744489.05709
Perimeter
80051428
Area
400514445302449
Diagonal
28302453.791233
Surface area
2403086671814694
Volume
8.0154383202722E+21
Space diagonal
34663285.12861
Perimeter
60038571
Area
1.7342784210728E+14
Altitude
17331642.564305
Surface area
1.7342784210728E+14
Volume
9.446284650745E+20
Height
9434151.2637444