20123871 is an odd 8-digits composite number following 20123870
and preceding 20123872 . In scientific notation, it is written as 2.0123871 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13031424 positive integers (up to 20123871) that are relatively prime to 20123871.
20123871 has 16 divisors, whose sum is 27608064
The reverse of 20123871 is 17832102
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-three thousand eight hundred seventy-one
Scientific notation
2.0123871 × 10^7
Engineering notation
2.0123871 × 10^6
Prime Factorization
3 × 43 × 257 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123871
Product of the distinct prime numbers
The prime factorization of 20123871 is 3 × 43 × 257 × 607.
Since it has a total of 4 prime factors.
4 , 10 , 91 , 77 , 313 , 167 , 3899 , 3536 , 81155 , 50652 , 323916 , 911082 , 3444928 , 70518 , 80196042 , 88279655 , 337088274 , 251887712 , 2616431365 , 4960379271
n×2
40247742
n×3
60371613
n×4
80495484
n×5
100619355
n÷2
10061935.5
n÷3
6707957
n÷3
5030967.75
n÷5
4024774.2
n2
404970184024641
n3
8.1495677421581E+21
n4
1.6400084994895E+29
n5
3.3003319482631E+36
2 √n
4485.9637760463
3 √n
272.00100471803
4 √n
66.977337779628
5 √n
28.889651634495
1 , 3 , 43 , 129 , 257 , 607 , 771 , 1821 , 11051 , 26101 , 33153 , 78303 , 155999 , 467997 , 6707957 , 20123871
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
-20123870
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 20123871 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000011011111
3
Ternary
1101212101202120
4
Quaternary
1030301003133
5
Quinary
20122430441
6
Senary
1555154023
8
Octal
114610337
10
Decimal
20123871
12
Duodecimal
68a5913
16
Hexadecimal
13310df
20
Vigesimal
65f9db
36
Base36
bzbof
md5
929ccac90f81e8b70772a9d9181c403c
sha1
1fc87e42257a05b2534443f9aebac24feac9febf
sha256
65775ad56eaf6c7cee018256ef2cd2438c26ec114b3d2389ca213ceb1ed7b36c
sha512
cbe674fcfed4daac521b213cf6d021f77ef5842c5defebff0f63010f07d6681768e046f776627c2c93a88248d2004d3e396e42f71235bae0be0fa1feb97bf5c9
ripemd-160
bb9466a332727dc74ecdff728a9532abc3aa515c
Diameter
40247742
Circumference
126442010.59078
Area
1.2722513550547E+15
Volume
3.4136829531595E+22
Surface area
5.0890054202189E+15
Circumference
126442010.59078
Perimeter
80495484
Area
404970184024641
Diagonal
28459451.295647
Surface area
2429821104147846
Volume
8.1495677421581E+21
Space diagonal
34855567.016962
Perimeter
60371613
Area
1.753572335703E+14
Altitude
17427783.508481
Surface area
1.753572335703E+14
Volume
9.6043576903653E+20
Height
9486483.7652155