20123903 is an odd 8-digits composite number following 20123902
and preceding 20123904 . In scientific notation, it is written as 2.0123903 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 18940128 positive integers (up to 20123903) that are relatively prime to 20123903.
20123903 has 4 divisors, whose sum is 21307680
The reverse of 20123903 is 30932102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-three thousand nine hundred three
Scientific notation
2.0123903 × 10^7
Engineering notation
2.0123903 × 10^6
Prime Factorization
17 × 1183759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123903
Product of the distinct prime numbers
The prime factorization of 20123903 is 17 × 1183759.
Since it has a total of 2 prime factors.
10 , 7 , 21 , 72 , 666 , 317 , 5485 , 3722 , 96467 , 48386 , 914905 , 572445 , 1864124 , 7425140 , 23735332 , 60849744 , 761587593 , 848461425 , 8737896925 , 7141152551
n×2
40247806
n×3
60371709
n×4
80495612
n×5
100619515
n÷2
10061951.5
n÷3
6707967.6666667
n÷3
5030975.75
n÷5
4024780.6
n2
404971471953409
n3
8.1496066193576E+21
n4
1.6400189309611E+29
n5
3.3003581884825E+36
2 √n
4485.9673427255
3 √n
272.00114889221
4 √n
66.977364405637
5 √n
28.889660822273
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123902
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123903 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123903) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001000011111111
3
Ternary
1101212101210202
4
Quaternary
1030301003333
5
Quinary
20122431103
6
Senary
1555154115
8
Octal
114610377
10
Decimal
20123903
12
Duodecimal
68a593b
16
Hexadecimal
13310ff
20
Vigesimal
65f9f3
36
Base36
bzbpb
md5
0c48b208a321e9aaadfed6573fa6f2b6
sha1
d49f4623b4489a7acd6c9fb65143405135ae2487
sha256
53978c0ac38c8b75af52a6ef698641a358d776a6c20f6f8299f77f460ce17275
sha512
7d058ff2db15103a58d9dc33afc02644b0e181842a40996cb0403afab8f20bc03419966be1b61b57bfc32e76000e3252e2db1d21d667cac61aaff28abc733cfa
ripemd-160
f15cd107ed9e15d9f21de43d49922a17b0f8b371
Diameter
40247806
Circumference
126442211.65271
Area
1.2722554012023E+15
Volume
3.4136992380028E+22
Surface area
5.0890216048091E+15
Circumference
126442211.65271
Perimeter
80495612
Area
404971471953409
Diagonal
28459496.550481
Surface area
2429828831720454
Volume
8.1496066193576E+21
Space diagonal
34855622.442588
Perimeter
60371709
Area
1.7535779125981E+14
Altitude
17427811.221294
Surface area
1.7535779125981E+14
Volume
9.6044035075843E+20
Height
9486498.8501602