20203909 is an odd 8-digits composite number following 20203908
and preceding 20203910 . In scientific notation, it is written as 2.0203909 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 17622000 positive integers (up to 20203909) that are relatively prime to 20203909.
20203909 has 16 divisors, whose sum is 22947840
The reverse of 20203909 is 90930202
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred three thousand nine hundred nine
Scientific notation
2.0203909 × 10^7
Engineering notation
2.0203909 × 10^6
Prime Factorization
11 × 31 × 179 × 331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20203909
Product of the distinct prime numbers
The prime factorization of 20203909 is 11 × 31 × 179 × 331.
Since it has a total of 4 prime factors.
8 , 7 , 1 , 17 , 627 , 404 , 2339 , 3949 , 16725 , 3414 , 171688 , 107328 , 1231668 , 7447695 , 67207743 , 144325 , 186904438 , 612432558 , 1264608727 , 3054678954
n×2
40407818
n×3
60611727
n×4
80815636
n×5
101019545
n÷2
10101954.5
n÷3
6734636.3333333
n÷3
5050977.25
n÷5
4040781.8
n2
408197938880281
n3
8.2471940111248E+21
n4
1.6662555730611E+29
n5
3.3664875968869E+36
2 √n
4494.8758603548
3 √n
272.3611345322
4 √n
67.043835364296
5 √n
28.912595531184
1 , 11 , 31 , 179 , 331 , 341 , 1969 , 3641 , 5549 , 10261 , 59249 , 61039 , 112871 , 651739 , 1836719 , 20203909
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
-20203908
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 20203909 can be divided by 16 positive divisors.
The sum of these divisors (counting 20203909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000100100110000101
3
Ternary
1102000110112221
4
Quaternary
1031010212011
5
Quinary
20133011114
6
Senary
2001012341
8
Octal
115044605
10
Decimal
20203909
12
Duodecimal
69240b1
16
Hexadecimal
1344985
20
Vigesimal
6659f9
36
Base36
c11fp
md5
67505515415da087dd7b7482ccacb940
sha1
d0b636eb7f53f8b4664efbcc3040bf7ccd4e24c6
sha256
b872554c07ecb7a8b96ebe45bb4ca138d548f8955dbbbbd9dca07cf35fe5265f
sha512
b5979d71b873991af5bb081ac2996547d011039db3f23a459c53d5e3260795c0670cd90e6906b21e8dbbd69755d8ffb4d18fb6c1e458f08f15ca703b6408c503
ripemd-160
dd7ea7fc7ebc5a0f43622354bafee114ee550a8c
Diameter
40407818
Circumference
126944904.17639
Area
1.2823916459968E+15
Volume
3.4545765490772E+22
Surface area
5.1295665839871E+15
Circumference
126944904.17639
Perimeter
80815636
Area
408197938880281
Diagonal
28572642.120752
Surface area
2449187633281686
Volume
8.2471940111248E+21
Space diagonal
34994196.899498
Perimeter
60611727
Area
1.7675489242139E+14
Altitude
17497098.449749
Surface area
1.7675489242139E+14
Volume
9.7194113517123E+20
Height
9524214.0402506